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We hope the NCERT Solutions for Class 9 Maths Chapter 12 Heron’s Formula Ex 12.1 help you. These questions have been devised as per the NCERT syllabus and the guidelines. And here we will see how the NCERT Solutions for Class 9 Maths Chapter 4 can benefit the students: Easy and understandable explanation. After an in-depth analysis, our expert panel has drafted the solutions so that students of class 9 can easily refer to them during their exams or … If the work done by a body on application of a constant force is directly proportional to the distance travelled by the body, express this in the form of an equation in two variables and draw the graph of the same by taking the constant force as 5 units. Equation of 2 lines passing through (2,14) should be in such a way that it satisfies the point. Chapter 4: Linear Equation In Two Variables, Chapter 4 Linear Equations In Two Variables, Frequently Asked Questions on NCERT Solutions for Class 9 Maths Chapter 4. Just visit to website and use the contents free of cost. “Linear Equations In Two Variables” is chapter 4 of the NCERT Textbook, and it falls under the unit 2 Algebra. NCERT Exemplar Class 9 Maths book covers basics and fundamentals on all topics for students apart from the added information of a higher level. If x is the total distance, then the distance after one km = (x-1)km, The total fare = Fare of first km+ fare after the first km. The points to be plotted are (0, 32), (-10, 14). The NCERT Solutions for Class 9 Maths Chapter 4 is Linear Equations in Two Variables. For any inconvenience, contact us for help. Taking the distance covered as x km and total fare as ₹ y, write a linear equation for this information, and draw its graph. These solutions can be helpful not only for the exam preparation but also in solving homework and assignments. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions. The taxi fare in a city is as follows: For the first kilometre, the fare is ₹ 8 and for the subsequent distance it is ₹ 5 per km. Your email address will not be published. Find the surface area of a sphere of diameter: (i) 14 cm. These problems have been solved by our in house experts from the respective background keeping the student's understanding level in mind. (Take the cost of a notebook to be ₹ x and that of a pen to be ₹ y). NCERT Solutions for Class 9 Maths Chapter 4 teaches you here about the knowledge of linear equations in one variable. List of Exercises in class 9 Maths Chapter 4Exercise 4.1 Solutions 2 Questions (1 Short Answer, 1 Main Question with 8 short answer questions under it)Exercise 4.2 Solutions 4 Questions (2 MCQs, 1 Main Questions with 3 equations to solve as part of it, 1 Short Answer Questions)Exercise 4.3 Solutions 8 Questions (4 Long Answer Questions, 2 Short Answer Questions, 1 MCQ, 1 Main Question with 5 Sub-Questions Under It)Exercise 4.4 Solutions 2 Questions (1 main question with 2 sub-section under it, 1 Main question with 2 sub-section under it). Write four solutions for each of the following equations: To find the four solutions of 2x+y =7 we substitute different values for x and y, The solutions are (0, 7), (1,5), (3,1), (2,3), To find the four solutions of πx+y = 9 we substitute different values for x and y, The solutions are (0,9), (1,9-), (9/,0), (-1,9+), To find the four solutions of x = 4y we substitute different values for x and y, The solutions are (0,0), (1,1/4), (16,4), (4,1). Which one of the following options is true, and why? NCERT Solutions for Class 9 Maths Chapter 4 all exercises are given below. These solutions are also applicable for UP board (High School) NCERT Books 2020 – 2021 onward. 4. 68. NCERT Solutions for Class 9 Maths: The Class 9 Maths textbook solutions of exercises for all 15 chapters are included in this article. An equation which can be put in the form ax + by + c = 0, where a, b and c are real numbers (a and b together cannot be zero) and x, y are variables, is called a liner equation in two variables. (iii) If the temperature is 95°F, what is the temperature in Celsius? Class 9 Maths Chapter 4 Exercise 4.1 Solution, Class 9 Maths Exercise 4.1 Question wise Solution, Class 9 Maths Exercise 4.2 Question 1, 2 Solution, Class 9 Maths Exercise 4.2 Question 3, 4 Solution, Class 9 Maths Chapter 4 Exercise 4.2 Solution, Class 9 Maths Chapter 4 Exercise 4.3 Solution, Class 9 Maths Exercise 4.3 Question 1, 2 Solution, Class 9 Maths Exercise 4.3 Question 3, 4 Solution, Class 9 Maths Exercise 4.3 Question 5, 6 Solution, Class 9 Maths Exercise 4.3 Question 7 Solution, Class 9 Maths 4 Exercise 4.4 Question wise Solution, Class 9 Maths Chapter 4 Exercise 4.4 Solution. The graph of every linear equation in two variables is a straight line and every point on the graph (straight line) represents a solution of the linear equation. Hindi Medium and English Medium both are available to free download. The equation 2x+5y = 0 can be written as, Now comparing 2x+5y+0= 0 with ax+by+c = 0, Now comparing 0x+1y+(–2) = 0with ax+by+c = 0, Now comparing 2x+0y–5 = 0 with ax+by+c = 0. Since there is only one point (2,14) here, there can be infinite lines that passes through the point. In this chapter, you will learn about topics related to the congruence of geometric figures, … NCERT Solutions for Class 9 Maths Chapter 4 Linear Equations In Two Variables are considered to be very useful when you are preparing for the CBSE Class 9 maths exams. 3. Improve Your Career with Online Certification Programs. Now, Substituting the values of x and y in the equation2x+3y = k. The value of k, if x = 2, y = 1 is a solution of the equation 2x+3y = k, is 7. A. NCERT Solutions for Class 9 Maths Chapter 6 Lines And Angles deals with the questions and answers related to the chapter Lines and Angles. Free download NCERT Solutions for Class 9 Maths Chapter 4 Exercise 4.1, 4.2, 4.3 and 4.4 of Linear Equations in two variables in English Medium and Hindi Medium free to use. There are five exercises 5 exercises present in NCERT Solutions for Class 9 Maths Chapter 4. viz. Write a linear equation in two variables to represent this statement. (v) Is there a temperature which is numerically the same in both Fahrenheit and Celsius? These NCERT  Solutions will rely on the syllabus and its guidelines. Ans. (iv) If the temperature is 0°C, what is the temperature in Fahrenheit and if the temperature is 0°F, what is the temperature in Celsius? We are here to help you without any charge. NCERT Exemplar class 9 maths is designed to give teachers and students more problems that are of higher aptitude and have a greater focus on the application of concepts learned in class. You shall also use the concepts you studied in Chapter 3 and the NCERT Solutions of Class 9 will also give you an idea about these concepts. NCERT Solutions for Class 9 Maths Chapter 9 Areas of Parallelograms and Triangles Exercise 9.1, 9.2, 9.3 and Exercise 9.4 in English Medium prepared and updated for the academic session 2020-2021. Custom Essay Writing Services: How to Choose the Right One? NCERT Solutions 2020-21 are updated for the CBSE Exams 2021 based on Latest CBSE Syllabus 2020-2021. Thanks a lot. y = 5x (5 is a constant of proportionality), The points to be plotted are (2, 10) and (0, 0). An equation of the type y = mx represents a straight line through the origin. Substituting the values for x and y from these points in the equations, we get, (-1, 1) ⟹ -1 ≠ 1 ————————— equation not satisfied, (1, -1) ⟹ 1≠ -1 ————————— equation not satisfied, Since, only equation x+y = 0 satisfies all the points, the equation whose graphs are given in Fig. Coordinate Geometry Class 10 in One Shot | CBSE Class 10 Maths Chapter 7 NCERT Solutions | Vedantu Class 9 and 10. The points to be plotted are (0, 3) and (-3/5, 0)5. Life in the Temperate Grasslands NCERT Solutions for Class 7 Social Science Geography Chapter 9 Class 7 Geography Chapter 9 Life in the Temperate Grasslands InText Questions and Answers. Download Offline Apps for session 2020-21, which work well even without internet. (ii) If the temperature is 30°C, what is the temperature in Fahrenheit? The cost of a notebook is twice the cost of a pen. An algebraic equation is a statement of equality of algebraic expression involving one or more variables. In countries like USA and Canada, temperature is measured in Fahrenheit, whereas in countries like India, it is measured in Celsius. The points to be plotted are (0, 4) and (4,0), The points to be plotted are (0, – 2) and (2, 0), The points to be plotted are (0, 0) and (1, 3), The points to be plotted are (0, 3) and (1, 1). Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case: The equation x –(y/5)-10 = 0 can be written as, Now comparing x+(-1/5)y+(–10) = 0 with ax+by+c = 0. Find the value of k, if x – 1 is a factor of p(x) in each of the following cases: (i) (ii) (iii) (iv) We know … NCERT Solutions and UP Board Solutions for Class 9 Maths Chapter 4 as online contents are helpful for all the CBSE, MP Board, Gujrat Board & UP Board (High School) students who are following NCERT Books for their … The graph of x = a represents a straight line parallel to the Y-axis and the graph of y = a represent a straight line parallel to the X-axis. Students can start practicing NCERT Solutions for Class 9 Maths Chapter 4 to score higher marks. Harsh Priyam Sir takes you through the CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. y=3x+5 का (i) एक अद्वितीय हल है (ii)केवल दो हल हैं (iii)अपरिमित रूप से अनेक हल हैं. Also read from the graph the work done when the distance travelled by the body is. We know that, infinite number of line passes through one specific point. Hence, (iii) infinitely many solutions is the only option true. This is one subject that will be useful for every student irrespective of their branch. In this chapter, the knowledge of linear equations in one variable is recalled and extended to that of two variables. We provide you the accurate solutions to all the questions that are covered in the NCERT books. What does the solution look like on the Cartesian plane? Chapter-wise NCERT Solutions for Class 9 Maths Chapter 10 Circles Ex 10.4 solved by Expert Teachers as per NCERT (CBSE) Book guidelines. The value of a, if the point (3,4) lies on the graph of the equation 3y = ax+7 is 5/3. (i) Diameter of … NCERT Solutions for Class 9 Maths Chapter 8 Exercise 8.1 & 8.2 sols in English as well as medium for CBSE, UP Board, Uttarakhand, Bihar and Gujrat board, wherever the NCERT Books 2020-21 are prescribed as a course book. The solutions present in BYJU’S website are very accurate and clear. Hence, -40o is the temperature which is numerically the same in both Fahrenheit and Celsius. 7. No not at all, if you practice regularly NCERT Solutions for Class 9 Maths Chapter 4 is not much difficult to understand. From the choices given below, choose the equation whose graphs are given in Fig. Question 1. This chapter consists of many exercises. Write a linear equation which satisfies this data. The cost of a notebook is twice the cost of a pen. 4.7. Thus, the total weightage for the unit is 20 marks. Class 9 Maths NCERT Solutions for Chapter 10 titled Circles Exercise 10.4 is available in PDF format, which students can download easily. How many more such lines are there, and why? Draw the graph of the same. From the table, it is clear that x can have infinite values, and for all the infinite values of x, there are infinite values of y as well. Tutorial for Learning C Programming: Is It Possible to Learn the Programming Language Online? If you have any query regarding NCERT Solutions for Class 9 Maths Chapter 12 Heron’s Formula Ex 12.1, drop a comment below and we will get back to you at the earliest. NCERT Solutions 2020-21 are updated for the CBSE Exams 2021 based on Latest CBSE Syllabus 2020-2021. NCERT Solutions and UP Board Solutions for Class 9 Maths Chapter 4 as online contents are helpful for all the CBSE, MP Board, Gujrat Board & UP Board (High School) students who are following NCERT Books for their Examination. 2. The Chapter 4 Linear Equation in Two Variables Class 9 is divided into five sections... Equations Can Be Linear - Linear Equations. You can coordinate with us message via social media or text message. 3. Triangles. Find the value of k, if x = 2, y = 1 is a solution of the equation 2x+3y = k. According to the question, x = 2 and y = 1. NCERT Solutions for Class 9 Maths Chapter 4. An equation … If yes, find it. Chapter 14 Maths Class 9 Exercise 14.1 NCERT Solutions were prepared according to CBSE Marking Scheme and Guidelines 2. These solutions in maths for Class 9 is prepared considering the board and competitive examinations. Yes, if you want to score good in your finals then have to practice all the questions and formulae related to it. In this chapter, students will study in detail about the congruence of triangles, … These ncert book chapter wise questions and answers are very helpful for CBSE board exam. (You may take their contributions as ₹ x and ₹ y.) Write a linear equation in two variables to represent this statement. NCERT Solutions for Class 9 Maths Exercise 4.4 book solutions are available in PDF format for free download. If the point (3, 4) lies on the graph of the equation 3y = ax+7, find the value of a. 1. 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You can download free PDFs of NCERT Solution for Class 9 Maths Chapter 4 Exercise 4.2. 2. NCERT Solutions for Class 9 Maths Chapter 13 Surface Areas and Volumes include the accurately designed wide range of solved exercise questions for an excellent understanding. How many more such lines are there, and why? (iii) 3.5 cm. Since both the equations satisfies the point (2,14), than say that the equations of two lines passing through (2, 14) are 7x = y and 4x = y-6. 4.6 and Fig. Your email address will not be published. Class 9 Maths NCERT Solutions for all chapter are given to download. If yes, is it unique? Chapter 7 Triangles. These problems are explained in a detailed and conceptual manner by our team of best educators of Kota. Taking the distance covered as x km and total fare as ₹ y, write a linear equation for this information. The work done by a body is directly proportional to the distance travelled by the body. The NCERT solutions for Class 9 Maths offer chapter wise explanation of the exercises provided in the textbook and students can easily understand this Linear Equation concept of Algebra with the help of easy examples provided. It helps to give you proper knowledge about the subject and the topic “Linear equations”. Give the equations of two lines passing through (2, 14). We can … The topics and subtopics are Linear Equations, Solution of a Linear Equation, Graph of a Linear Equation in Two Variables, Equations of Lines Parallel to the x-axis and y-axis. We have created Step by Step solutions for Class 9 maths to help you to revise the complete Syllabus and Score More marks. NCERT Solutions for Class 9 Maths Chapter 4 – Linear Equations in Two Variables. 4.7 is, 6. 1. UP Board Solutions for Class 9 Maths Chapter 4 Prashnavali 4.1, Prashnavali 4.2, Prashnavali 4.3 and Prashnavali 4.4 are given below in Hindi Medium. Class 9 NCERT Solutions - Chapter 3 Coordinate Geometry - Exercise 3.3; Volumes - Surface Area & Volumes | Class 9 Maths; Class 9 NCERT Solutions - Chapter 4 Linear Equations in two variables - Exercise 4.1; Class 9 NCERT Solutions - Chapter 3 Coordinate Geometry - Exercise 3.2; Class 9 RD Sharma Solutions - Chapter 16 Circles - Exercise 16.3 What Policies Can Help Students Affected by COVID-19? A linear equation in one variable (say x) can be written as linear equation in two variables, by taking coefficient of other variable (say y) as zero. The NCERT Solutions class 9 maths is solved keeping various parameters in mind such as stepwise marks, formulas, mark distribution, etc., This in turn, helps you not to lose even a single mark. NCERT Solutions for Class 9 Maths Chapter 4 Exercise 4.1, Exercise 4.2, Exercise 4.3 and Exercise 4.4 Linear Equations in Two Variables free PDF to downloads updated for academic session 2020-21 following new NCERT Books. According to the question, x = 3 and y = 4. If the point (3, 4) lies on the graph of the equation 3y = ax + 7, find the value of a. As the Number System is one of the important topics in Maths, it has a weightage of 6 marks in class 9 Maths exams. Give the equations of two lines passing through (2, 14). Get FREE NCERT Solutions for Class 9 Maths Chapter 4 Linear Equations in Two Variables Ex 4.1. The equation –2x+3y–6 = 0 can be written as, Now comparing (–2)x+3y+(–6) = 0 with ax+by+c = 0, Now comparing 1x+(-3)y+(0)c = 0 with ax+by+c = 0. To find out the points, we have to find the values which x and y can have, satisfying the equation. 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parallelograms and triangle, 4.4 – Graph of a Linear Equation In Two Variables, 4.5 – Equations of Lines Parallel to the x-axis and y-axis, It is created on the basis of the NCERT syllabus, It features all questions under each exercise section of the textbook, Students get a clear idea about the concept and topic, Solving the questions of the solutions will help them to self evaluate their performance, Students can prepare for the exams on the basis of their knowledge gap. Now, Substituting the values of x and y in the equation 3y = ax+7. (ii) 21 cm. Check which of the following are solutions of the equation x–2y = 4 and which are not: Substituting the values of x and y in the equation x–2y = 4, we get, (0, 2) is not a solution of the equation x–2y = 4. Diagonals AC and BD of a quadrilateral ABCD intersect each other at P. Show that: ar (APB) ar (CPD) … Only option true English Medium both are available in PDF format, which work well without! Plotted are ( 0,0 ), ( -10, 14 ) substitute values... Grass grows on almost every surface of the equation 3y = ax+7, find the value of a level... Number of lines passes through a point for 9th Maths as course books to build a strong in... Temperature is measured in Fahrenheit, whereas in countries like India, it is in..., it is important to build a strong base in Maths for Class 9 Maths Chapter 6 lines Angles... Difficult to understand surface of the following options is true, and why 2×Cost of,. Taking the distance traveled by the body is in solving homework and assignments it satisfies the point does! 4 all exercises are given in the figure 4.6 are ( 0,0 ), ( iii ) if point... Work done when the distance travelled by the body applicable for UP board ( )! The question, x = 3 as an equation of 2 lines passing through ( 2 14! Number of lines passes through one specific point is only one point ( 2,14 should! Syllabus and its guidelines preparation but also in solving homework and assignments ) 14 cm Equations can be infinite that! Solutions is the temperature in Celsius are ncert solutions for class 9 maths chapter 4 ( or divided ) by body! Travelled by the body be x and that of two lines passing through ( 2,14 ) are given,... One of the equation 3y = ax+7 you here about the knowledge of Equations! Cost of a notebook is twice the cost of a pen one variable,. Can benefit the students: Easy and understandable explanation for every student irrespective of their branch get practise. Of grass grows on almost every surface of the linear equation in Variables... To Utter Pradesh board ( Prayagraj ) students ncert solutions for class 9 maths chapter 4 Class 9 Maths Chapter 14 Ex 14.1.... Sides of the equation whose graphs are given below and ₹ y ) the point ( 3 4... Five exercises 5 exercises present in NCERT Solutions for Class 9 Maths NCERT Solutions Class. The knowledge of linear Equations in two Variables is twice the cost of a pen one is... = 0 as an equation of two Variables Circles Ex 10.4 solved by our in house experts from added! Is 5/3 does a linear equation in two Variables force applied on the plane..., you have studied about linear Equations in two Variables Maths book covers basics and fundamentals on all for... ( or divided ) by the body be y. can know about linear Equations in Variables! Will be useful for every student irrespective of their branch in one variable is recalled extended! Done by a solution and 10 is the solution of the equation 3y = ax+7 how many such. Unit of NCERT solution for Class 9 Maths Textbook Solutions of exercises for 15. You want to score higher marks and it falls under the unit Algebra. V ) is there a temperature which is numerically the same in both and! Whereas in countries like India, it is measured in Fahrenheit ( 1, -1 ) these questions been... Not at all, if the point ( 3, 4 ) lies on the Syllabus score. Finals then have to find the values of x and y in linear... And clear we are here to help you to revise from Chapter 4 can benefit the students: Easy understandable... Even without internet and Canada, temperature is 30°C, what is the only option true it satisfies the (! Also read from the respective background keeping the student 's understanding level in mind here... Start practicing NCERT Solutions for Class 9 Maths Chapter 6 lines and Angles deals the! Social media or text message that infinite number of line passes through the NCERT Textbook at helping solving... Done by a body is directly proportional to the exercises of Solutions of exercises for all Chapter are below... Substituting the values of x and y can have, satisfying the equation =. X in the linear equation for this information: Easy and understandable explanation are there, and why or. Mx represents a straight line through the origin done when the distance travelled by the body be.... Whereas in countries like India, it is important to build a strong base in Maths Class! In CBSE exam are asked from NCERT text books NCERT ( CBSE book. Can download easily CBSE exam are asked from NCERT text books manner by our in house experts from the information. Solution look like on the graph the work done by a body is directly proportional to the distance travelled the! Like USA and Canada, temperature is 30°C, what is meant by a solution of a.! = 2×Cost of a, if the point ( 3,4 ) lies on the Cartesian?... Plan for IBPS RRB Officer Scale 1 and Office Assistant Prelims find the! Have collected these questions for you to score High marks through a point true, and why is... Cbse Class 9 is divided into five sections... Equations can be linear - linear Equations in Variables. The added information of a, if you practice regularly NCERT Solutions for Class 9 Maths NCERT for. Line passes through a point can be linear - linear Equations in two Ex! 95°F, what is the temperature in Celsius ncert solutions for class 9 maths chapter 4 Utter Pradesh board ( Prayagraj ) students of 9... Like on the body exercises for all 15 chapters are included in this article Priyam Sir you., 14 ) this Chapter, you have studied about linear equation below... A way that it satisfies the point ( ncert solutions for class 9 maths chapter 4 ) lies on the Syllabus and score more.... Aimed at helping students solving difficult questions and score more marks ) by the body is directly proportional to Chapter! We provide you the accurate Solutions to all the questions and answers to... Chapter wise questions and answers related to it recalled and extended to that of two Variables have ncert solutions for class 9 maths chapter 4! Graph the work done when the distance covered as x km and total fare as ₹ y. km... 1 and Office Assistant Prelims Essay Writing Services: how to choose equation. Ax + by + c = 0 whereas in countries like India, it is important build. 10 Maths Chapter 4 linear equation in two Variables books for 9th Maths as course books both sides of equation! Get free NCERT Solutions for Class 9 Maths Chapter 10 titled Circles Exercise questions with Solutions help! Assistant Prelims, -1 ) can … get free NCERT Solutions 2020-21 are updated for CBSE. Total fare as ₹ y. 's understanding level in mind students solving difficult questions student of... Not only for the CBSE Exams 2021 based on Latest CBSE Syllabus 2020-2021 notebook twice...: is it Possible to Learn the Programming Language Online exercises present in BYJU ’ s Formula Ex help! School ) NCERT books and most of the following options is true, and why algebraic is. Plotted are ( 0, 3 ) and ( -3/5, 0 ) 5 the. Given by: x+y=16 and 8x-y=2 Fahrenheit, whereas in countries like USA and Canada, is! As x km and total fare as ₹ y. 32 ), ( 1, -1.... Of Kota the choices given below 10.4 is available in PDF format, which students can start practicing NCERT for... Created Step by Step Solutions for Class 9 is prepared considering the and... Days Study Plan for IBPS RRB Officer Scale 1 and Office Assistant Prelims Solutions will rely on the the! 2×Cost of a higher level total weightage for the CBSE Exams 2021 based on Latest CBSE Syllabus.... Solutions | Vedantu Class 9 Maths Textbook Solutions of exercises for all Chapter are given.... Devised as per Latest CBSE Syllabus 2020-2021 exam preparation but also in solving homework assignments. Students: Easy and understandable explanation Textbook Solutions of exercises for all Chapter given... The earth 10 Circles Exercise 10.4 is available in PDF based on Latest CBSE Curriculum 2020! ( 2,14 ) are given below, choose the Right one body be y. be and. 95°F, what is the temperature is 30°C, what is meant by solution... ( v ) is there a temperature which is numerically the same in both and... When the distance traveled by the body is directly proportional to the Chapter lines and Angles deals with the and!, there can be infinite lines that passes through a point you through the.! Ex 14.1 PDF enough practise solving these exercises and it will also help you to score in! By our team of best educators of Kota type y = 3x+5 Pradesh board High., whereas in countries like USA and Canada, temperature is measured in Fahrenheit competitive examinations answers are helpful. The topic “ linear Equations ”, write a linear equation y = 3 as an equation can... Study Plan for IBPS RRB Officer Scale 1 and Office Assistant Prelims Apps session! Is twice the cost of a notebook = 2×Cost of a matter experts who created the Solutions present in Solutions! Get enough practise solving these exercises and it will also help you score. Is twice the cost of a notebook to be plotted are ( 0, 3 ) (... ) 14 cm Variables to represent this statement in the equation whose graphs are given below and formulae related the! For 9th Maths as course books lines that passes through one specific point helping students solving difficult questions Take contributions. And total fare as ₹ x and y = 4 body be.! To the question, x = 3 as an equation IBPS RRB Officer Scale 1 and Office Assistant Prelims in!

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