Squares and Square Roots

Write down the correct number for

203² - 202²

• 400

• 405

• 410

• 202.5

The square root of 20657025 is

• 4455

• 5454

• 4545

• 5544

What will be the unit digit of the square of 14327

• 9

• 8

• 7

• 6

Find the number of digits in the square root of 15625

• 1

• 4

• 2

• 3

Find the sun without actual addition

1+3+5+7+9+11+13

• 121

• 36

• 49

• 64

23453 is a perfect square

• True

• False

Square of a number is always _________________

The unit digit of the square of 3243 is

• 6

• 3

• 8

• 9

Find the smallest number which must be added to 18265 to make it a perfect square

• 201

• 231

• 221

• 241

Find the pythogorean triplet of (3,_, _)

• 3,8,9

• 3,5,7

• 3,4,5

• 3,9,10