Math Quiz 1

Which of the following are not perfect squares? Answer without calculations.

• 7621367

• 250000

• 100000

• 4456232

• 1000000

What is the unit digit of the square of 63421?

• 4

• 6

• 1

• 9

What is the smallest number that we can multiply 588 with to get a perfect square?

(a)  

What is the minimum number that can be subtracted from 588 to get a perfect square?

(a)  

What is the square root of 1369?

• 32

• 35

• 37

• 39

What is the square root of 6241?

(a)  

What is the square root of 1764?

(a)  

The square of which of the following numbers can have unit digit 6?

• 63

• 36

• 24

• 48