square and square root / class 6-7-8 / exercise / Knowledge Hub

Problem type no - 1

1- By what least number 3675 be multiplied to get a perfect square number?

2- By what least number 2156 be multiplied to get a perfect square number?

3- By what least number 3332 be multiplied to get a perfect square number?

4- By what least number 2925 be multiplied to get a perfect square number?

5- By what least number 9075 be multiplied to get a perfect square number?

6- By what least number 7623 be multiplied to get a perfect square number?

7- By what least number 3380 be multiplied to get a perfect square number?

8- By what least number 2475 be multiplied to get a perfect square number?

Problem type no - 2

1- By what least number 4056 be divided to get a perfect square number?

2- By what least number 8820 be divided to get a perfect square number?

3- By what least number 7776 be divided to get a perfect square number?

4- By what least number 4500 be divided to get a perfect square number?

5- By what least number 3380 be divided to get a perfect square number?

6- By what least number 4851 be divided to get a perfect square number?

7- By what least number 9075 be divided to get a perfect square number?

8- By what least number 1575 be divided to get a perfect square number?

 problem type no - 3

1- Find the largest number of three digits which is a perfect square.

2- Find the largest number of four digits which is a perfect square.

3- Find the largest number of five digits which is a perfect square.

4- Find the largest number of six digits which is a perfect square.

5- Find the largest number of seven digits which is a perfect square.


Problem type no - 4

1- Find the smallest number of three digits which is a perfect square

2- Find the smallest number of four digits which is a perfect square

3- Find the smallest number of five digits which is a perfect square

4- Find the smallest number of six digits which is a perfect square

5- Find the smallest number of seven digits which is a perfect square

Problem type no -5

 1- Find the least square number which is exactly divisible by each of the numbers 6, 9, 15 and 20

2- Find the least square number which is exactly divisible by each of the numbers 8, 12, 15, and 20.

3- Find the least square number which is exactly divisible by each of the numbers 8, 9 and 10

 Problem type no -6

1- Find the least number which must be subtracted from 7581 to obtain a perfect square

2- Find the least number which must be subtracted from 2509 to obtain a perfect square

3- Find the least number which must be subtracted from 7250 to obtain a perfect square

Problem type no -7

 1- Find the least number which must be added to 6203 to obtain a perfect square.

2- Find the least number which must be added to 8400 to obtain a perfect square

3- Find the least number which must be added to 5607 to obtain a perfect square.

Problem type no -8

 1- Find the least number of 4 digit which is a perfect square

2- Find the least number of 6 digit which is a perfect square

3- Find the least number of 3 digit which is a perfect square

4- Find the least number of 5 digit which is a perfect square

5- Find the least number of 7 digit which is a perfect square.

Problem type no -9

 1- Find the greatest number of 5 digit which is a perfect square

2- Find the greatest number of 3 digit which is a perfect square

3- Find the greatest number of 4 digit which is a perfect square

4- Find the greatest number of 6 digit which is a perfect square

5- Find the greatest number of 7 digit which is a perfect square

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