CBSE Class 8 Mathematics Square And Square Roots Worksheet Set D

CBSE Class 8 Mathematics Worksheet - Square and Square Roots (3)

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MATHS WORKSHEET CLASS-VIII

CH-6 SQUARE AND SQUARE ROOTS

1-Which of the following numbers are perfect squares?

(a)3364 (b)4489 (c)4358

2-Using the property of squares , find the value of the following.

(a)242 - 232 (b)502 – 492 (c)1052 – 1042

3-Without adding find the sum.

(a)1+3+5+7+9

(b)1+3+5+7+9+11+13+15_17+19+21+23+

4-Find the square root of the following by prime factorisation method.

(a)1024 (b)8836 (c)8464

5-Find the smallest number by which 2475 must be multiplied to get a perfect square .

6-4096 soldiers are arranged in an auditorium in such a manner that there are as many soldiers in a row as there are rows in the auditorium.How many rows are there in the auditorium?

7-Find the least perfect square exactly divisible by each one of the numbers 4, 5, 10.

8-Find the least square number exactly divisible by each one of the numbers 6, 9, 10, 15 and 20 .

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