Square and Square Roots

Q1.Which of the following cannot be a perfect square?

• 841

• 529

• 198

• None of the above

The units digit in the square of 1294 is _________.

• 9

• 6

• 1

• 5

Which of the following cannot be a perfect square?

• 121

• 490

• 576

• None of the above

Which of the following is the square of an odd number?

• 256

• 361

• 144

• 400

: Which of the following is not a perfect square?

• 361

• 1156

• 1128

• 1681

The next two numbers in the number pattern 1, 4, 9, 16, 25 ... are

• 35, 48

• 36, 49

• 36, 48

• 35,49

Without actually adding, find the sum of:

1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29 + 31

The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is

Check if 65536 is a perfect square?

The square of 86 will have ______at the units place.