RD Sharma Class-10

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Class 10 RD Sharma Solutions - Chapter 4 Triangles - Exercise 4.6 | Set 1

Last Updated: 26 May 2021

Question 1. Triangles ABC and DEF are similar.(i) If area (△ABC) = 16cm2, area (△DEF) = 25 cm2 and BC = 2.3 cm, find EF.Solution:Since, ...read more

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RD Sharma Class-10

Class 10 RD Sharma Solutions - Chapter 3 Pair of Linear Equations in Two Variables - Exercise 3.2 | Set 1

Last Updated: 16 May 2021

Question 1. Solve the following of equation graphicallyx + y = 32x + 5y = 12Solution:Given that, 2x + 5y = 12 and x + y = 3We have,x + y = 3...read more

Class 10 RD Sharma Solutions - Chapter 15 Areas Related to Circles - Exercise 15.4 | Set 1

Last Updated: 28 May 2021

Question 1. A plot is in the form of a rectangle ABCD having semi-circle on BC as shown in the figure. If AB = 60 m and BC = 28 m, find the ...read more

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Class 10 RD Sharma Solutions - Chapter 3 Pair of Linear Equations in Two Variables - Exercise 3.4 | Set 2

Last Updated: 29 November 2021

Solve each of the following systems of equations by the method of cross multiplication.Question 15. 2ax + 3by = a + 2b and 3ax + 2by = 2a + ...read more

Class 10 RD Sharma Solutions - Chapter 3 Pair of Linear Equations in Two Variables - Exercise 3.5 | Set 1

Last Updated: 07 April 2021

Question 1. In each of the following systems of equation determine whether the system has a unique solution, no solution, or infinite soluti ...read more

Class 10 RD Sharma Solutions - Chapter 9 Arithmetic Progressions - Exercise 9.6 | Set 2

Last Updated: 07 April 2021

Question 25. In an A.P. the first term is 22, nth term is –11 and the sum of first n term is 66. Find n and the d, the common difference. ...read more

Class 10 RD Sharma Solutions - Chapter 9 Arithmetic Progressions - Exercise 9.4 | Set 1

Last Updated: 25 January 2021

Question 1. Find:(i) 10th tent of the AP 1, 4, 7, 10….(ii) 18th term of the AP √2, 3√2, 5√2, …….(iii) nth term of the AP 13, 8, ...read more

Class 10 RD Sharma Solutions - Chapter 10 Circles - Exercise 10.2 | Set 1

Last Updated: 05 May 2021

Question 1. If PT is a tangent at T to a circle whose centre is O and OP = 17 cm, OT = 8 cm. Find the length of the tangent segment PT.Solut...read more

Class 10 RD Sharma Solutions- Chapter 1 Real Numbers - Exercise 1.3

Last Updated: 13 January 2021

Question 1. Express each of the following integers as a product of its prime.i) 420ii) 468iii) 945iv) 7325Solution:Let us express each of th ...read more

Class 10 RD Sharma Solutions- Chapter 1 Real Numbers - Exercise 1.2 | Set 2

Last Updated: 13 January 2021

Question11. Find the greatest number which divides 285 and 1249 leaving remainders 9 and 7 respectively.Solution:The required number when di ...read more

Class 10 RD Sharma Solutions- Chapter 9 Arithmetic Progressions - Exercise 9.5

Last Updated: 03 January 2021

Question 1: Find the value of x for which (8x + 4), (6x – 2) and (2x + 7) are in A.P.Solution:Since (8x + 4), (6x – 2) and (2x + 7) are ...read more

Class 10 RD Sharma Solutions - Chapter 8 Quadratic Equations - Exercise 8.2

Last Updated: 28 December 2020

Question 1: The product of two consecutive positive integers is 306. Form the quadratic equation to find the integers, if x denotes the smal ...read more

Class 10 RD Sharma Solutions - Chapter 8 Quadratic Equations - Exercise 8.11

Last Updated: 10 October 2022

Question 1: The perimeter of the rectangular field is 82 m and its area is 400 m2. Find the breadth of the rectangle?Solution:Given:Perimete...read more

Class 10 RD Sharma Solutions - Chapter 15 Areas Related to Circles - Exercise 15.1 | Set 2

Last Updated: 17 December 2020

Question 11. The radii of two circles are 19 cm and 9 cm respectively. Find the radius and area of the circle which has circumferences is eq...read more

Class 10 RD Sharma Solutions - Chapter 9 Arithmetic Progressions - Exercise 9.2

Last Updated: 08 December 2020

Problem 1: Show that the sequence defined by an = 5n – 7 is an A.P., find its common difference.Solution:Given:an = 5n – 7Now putting n ...read more

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