Properties of Square Numbers

Q. If A, B, C, ..., X, Y, Z represents digits, which of the following could be a perfect square?

1. 441

2. 257

3. 408

4. 153

Q.

What will be the number of zeroes in the square of 60?

1. 2
2. 3
3. 1
4. 4

Q. Just by looking at the numbers, identify which of the following can not be a perfect square.

1. 382

2. 484

3. 576

4. 529

Q.

What will be the unit digit of the square of 91?

1. 1

2. 2

3. 4

4. 9

Q.

The minimum number that should be added to 300 so that we can get a perfect square is:

1. 59

2. 25

3. 69

4. 49

Q.

Which of the following could be a perfect square?

1. 1681

2. 23453

3. 222222

4. 1057

Q.

Numbers like 1, 4, 9, 16, 25, ... are known as ________.

1. Perfect cubes

2. Perfect squares

3. Decimals

4. Irrational Numbers

Q.

Which of the following are perfect squares?

1. 156

2. 176

3. 196
4. 256

Q.

In general, if a natural number m can be expressed as $n^2$, where n is also a natural number, then m is a __________.

1. irrartional number

2. perfect square

3. perfect cube

4. complex number

Q.

There is/are ___ perfect square/squares between 50 and 70.