Square Root And Cube Root MCQ Set 5

Showing question 21 to 25 of total 30 MCQs

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

Question No: 21

The cube root of .000343 is

1. 0.7
2. 0.07
3. 0.007
4. None of these

Question No: 22

Two-third of two-fifth of three-fourth of a number is 36. What is the square root of four-fifth of that number?

1. 9
2. 12
3. 14
4. 16

Answer: B

Explanation

We have, 2/3 × 2/5 × 3/4 × X = 36

X = 180

Now, 4/5 × X = 4/5 × 180 = 144

Question No: 23

How many two-digit numbers satisfy the following property given below:

The last digit (unit's digit) of the square of the two-digit number is 8?

1. 4
2. 12
3. 15
4. None of these

Question No: 24

The cube root of .000216 is:

1. .6
2. .06
3. 77
4. 87

Answer: B

Explanation

Question No: 25

What should come in place of both x in the equation

1. 12
2. 14
3. 144
4. 196

Answer: A

Explanation