Chapter: “Squares & Square Roots Exercise 3.3” 1.) Find the squares of the following numbers using column method. Verify the result finding the square using the usual multiplication. (i) 25 (ii) 37 (iii) 54 (iv) 71 (v) 96 Solution: Here a=2, b=5 Step: 1 Make 3 columns and write the values of a2, 2 x […]

Chapter: “Squares & Square Roots Exercise 3.4” Write the possible unit’s digits of the square root of the following numbers. Which of these numbers are odd square roots? (i) 9801 (ii) 99856  (iii) 998001 (iv) 657666025 Solution: (i) The unit digit of the number 9801 is 1. So, the possible unit digits are 1 or […]