Square Root And Cube Root MCQ Set 1

Showing question 1 to 5 of total 30 MCQs

Solve the question on your notebook and check it by clicking (Answer and Explanation) below question.

Question No: 1

Evaluate

1. 75
2. 77
3. 78
4. 68

Question No: 2

Evaluate

1. 14
2. 26
3. 16
4. 36

Answer: C

Explanation

Question No: 3

Evaluate

Answer: C

Explanation

Question No: 4

By what least number should we multiply 1008 to make it a perfect square?

1. 8
2. 7
3. 2
4. 5

Answer: B

Explanation

Here, first we must find factors of 1008 simple division

Factors of 100 8 = 4 ×4 × 3 × 3 × 7 = 4² × 3² × 7

Here we can see that all factors are in form of squares except 7

If we multiply by extra 7, it will be 4² × 3² × 7 × 7 = 4² × 3² × 7²

Since all factors are in form of squares, the number too will be

a perfect square.

So we need multiply 1008 by 7

Question No: 5

Evaluate

1. 132
2. 232
3. 342
4. 253