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 […]
Category: CBSE
RD Sharma Class 8 Math 3rd Chapter “Squares & Square Roots” Exercise 3.4 Solution
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 […]
RD Sharma Class 8 Math 3rd Chapter Squares and square roots Exercise 3.2 Solution
Exercise: 3.2 1.) The following number are not perfect squares. Give reason: (i) 1547 (ii) 45743 (iii)8948 (iv) 333333 Solution: If a number ends with 2, 3, 7 or 8, it cannot be a perfect square. (i) Given number: 1547 The last digit of a number is 7. Therefore, 1547 cannot be a perfect square. […]
RD Sharma Class 8 Math 3rd Chapter Squares and square roots Exercise 3.1 Solution
Which of the following numbers are perfect squares? (i) 484 (ii) 625 (iii) 576 (iv) 941 (v) 961 (vi) 2500 Solution: (i) 484 484 = 222 (ii) 625 625 = 252 (iii) 576 576 = 242 (iv) 941 Perfect squares closest to 941 are 900 (302) and 961 (312). Since 30 and 31 are consecutive […]
RD Sharma Class 8 Math Second Chapter Powers Exercise 2.3 Solution
Chapter:- Powers Exercise 2.3 1.Express the following numbers in standard form: To express a number in the standard form, move the decimal point such that there is only one digit to the left of the decimal point.(i) 6020000000000000 Solution: 6020000000000000 = 6.02 x 1015 (The decimal point is moved 15 places to the left.) (ii) […]
RD Sharma Class 8 Math Second Chapter Powers Exercise 2.2 Solution
Chapter Name:- Powers Exercise 2.2
RD Sharma Class 8 Math Second Chapter Powers Exercise 2.1 Solution
Chapter Name: Powers 2. Find the values of each of the following: 3. Find the values of each of the following: (i) 4. Simplify:
ML Aggarwal CBSE Solutions Class 6 Math Third Chapter Playing with Numbers Exercise 3.4
ML Aggarwal CBSE Solutions Class 6 Math Chapter Playing with Numbers Exercise 3.4 ML Aggarwal Class 7 Solution ML Aggarwal Class 8 Solution
ML Aggarwal CBSE Solutions Class 6 Math Third Chapter Playing with Numbers Exercise 3.3
ML Aggarwal CBSE Solutions Class 6 Math Chapter Playing with Numbers Exercise 3.3 (4) First four distinct prime numbers = 2,3,5,7 2×3×5×7 = 210 210 is the number.
ML Aggarwal CBSE Solutions Class 6 Math Third Chapter Playing with Numbers Exercise 3.2
ML Aggarwal CBSE Solutions Class 6 Math Third Chapter Playing with Numbers Exercise 3.2 (1) Which of the following numbers are divisible by 5 or by 10: Solution: The number having last digit 0 or 5 divisible by 5. & The number having last digit 0 divisible by 10. Here – (i) 3725 – Divisible […]