RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3H Solution EXERCISE 3H OBJECTIVE QUESTIONS Tick (√) the correct answer in each of the following: (1) Which of the following numbers is not a perfect square? Ans: (c) 5478.We know that a number ending in 2, 3, 7 or 8 is never […]
Tag: RS Aggarwal Class 8 Third Chapter Solution
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3G Solution
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3G Solution EXERCISE 3G Evaluate:
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3F Solution
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3F Solution EXERCISE 3F Evaluate: (1) √1.69 (2) √33.64 (3) √156.25 (4) √75.69 (5) √9.8596 (6) √10.0489 (7) √1.0816 (8) √0.2916 (9) Evaluate √3 up to two places of decimal. (10) Evaluate √2.8 correct […]
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3E Solution
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3E Solution EXERCISE 3E Evaluate: (1) √576 (2) √1444 (3) √4489 (4) √6241 (5) √7056 (6) √9025 (7) √11449 (8) √14161 (9) √10404 (10) √17956 (11) √19600 (12) √92416 (13) Find the least number which must be subtracted from 2509 to make it […]
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3D Solution
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3D Solution EXERCISE 3D Find the square root of each of the following numbers by using the method of prime fraction: (1) 225 Solution: By prime factorization, 225 = 3 × 3 × 5 × 5 ∴ √225 = (3 × 5) = […]
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3C Solution
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3C Solution EXERCISE 3C Find the value of the following, using the column method: (1) (23)2 Solution: Given number 23 = 20 + 3 Here, a = 20 and b = 3 a2 2ab b2 (20)2 = 400 2 × 20 × 3 […]
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3B Solution
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3B Solution EXERCISE 3B (1) Give reason to show that none of the numbers given below is a perfect square: (i) 5372 Solution: 5372 is not a perfect square, because the numbers end with 2, which is not a perfect square. (ii) 5963 […]
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3A Solution
RS Aggarwal Class 8 Math Third Chapter Squares and Square Roots Exercise 3A Solution EXERCISE 3A (1) Using the prime factorization method, find which of the following numbers are perfect squares: (i) 441 = 3 × 3 × 7 × 7 = 32 × 72 (ii) 576 = 2 × 2 × 2 × 2 […]