Question

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 .

9-Find the least number which must be added to 4215 to make it a perfect square.

10-Find the lest number which should be subtracted from 984 to make it a perfect square.Also find the square root of this perfect square​

Answer 1

Answer:

1. a)3364

Hope this helps...