Squares and square roots

What is the square root of 169/225

• 13/25

• -13/15

• 13/15

Evaluate:
√25  +  √81

• 86
• 15
• 17
• 14

If you have 196 chairs and you need to arrange them in an equal amount of row and columns, how many chairs will be in each row?

• 12
• 13
• 14
• 15

The value of √155 is between what two consecutive whole numbers?

• 11 and 12
• 144 and 169
• 121 and 169
• 12 and 13 

−11²

• 121

• -121

• 22

• -22

Which is the greatest 4-digit perfect square?

• (a) 9999

• (b) 9990

• (c) 9800

• (d) 9801

Evaluate.

• -12
• 12
• ±12
• 1/12

Find the smallest with which 3150 be divided so that the quotient is a perfect square ?

• 14

• 2

• 7

• 28

• 3.5

• 2.1

• 5/3

• 21

A man has a garden in which trees are arranged in rows and column such that there are same rows and same number of columns . If total number of trees is 5625, find the number of rows.

• 75

• 85

• 65

• 45