Chapter 3 Squares and Square Roots – Exercise 3.4 | Set 1 Question 11. The area of a square field is 5184 m2. A rectangular… Read More

# Category Archives: RD Sharma Solutions

Chapter 3 Squares and Square Roots – Exercise 3.2 | Set 1 Question 11. Which of the following numbers are squares of even numbers?121, 225,… Read More

Question 1. The following numbers are not perfect squares. Give reason. (i) 1547 Solution: Number ending with 7 is not perfect square (ii) 45743 Solution:… Read More

Question 1. Find a rational number between -3 and 1. Solution: Between two rational numbers x and y Rational number = (x + y) /… Read More

Chapter 2 Powers – Exercise 2.2 | Set 1 Question 11. By what number should (5/3)-2 be multiplied so that the product may be (7/3)-1? Solution:… Read More

Chapter 1 Rational Numbers – Exercise 1.3 | Set 1 Question 11. What number should be subtracted from 3/7 to get 5/4? Solution: Let the number… Read More

Question 1. Multiply: (i) 7/11 by 5/4 Solution: 7/11 × 5/4 Multiplying numerator with numerator of other rational number and denominator with denominator = (7… Read More

Question 1: Verify the property: x × y = y × x by taking: (i) x = -1/3, y = 2/7 Solution: x × y… Read More

Chapter 1 Rational Numbers – Exercise 1.7 | Set 1 Problem 11. The cost of 2 1/3 meters of cloth is Rs 75 ¼. Find the… Read More

Problem 1. Divide: (i) 1 by 1/2 Solution: = 1 / (1 / 2) = 1 × (2 / 1) = 2 ii) 5 by… Read More

Problem 1. Simplify each of the following and write as a rational number in the form of p/q: (i) 3/4 + 5/6 + -7/8 Solution:… Read More

Question 1: Verify the commutativity of the addition of rational numbers for each of the following pairs of rational numbers (i) -11 / 5 and… Read More

Question 1. Add the following rational numbers: (i) -5 / 7 and 3 / 7 Solution: (-5 / 7) + 3 / 7 Since denominators… Read More

Question 1: If P (n) is the statement “n (n + 1) is even”, then what is P (3)? Solution: Given: P (n) = n… Read More