# MCQs: Power ,Roots and Square Roots Formulas: Mathematics MCQs

## Power ,Roots and Square Roots Formulas

**1. What is the square of 4?**

a) 4

b) 8

c) 12

d) 16

**Answer: d) 16**

**2. What is the cube of 3?**

a) 6

b) 9

c) 27

d) 30

**Answer: c) 27**

**3. What is the fourth power of 2?**

a) 4

b) 8

c) 16

d) 32

**Answer: c) 16**

**4. What is the fifth power of 3?**

a) 27

b) 81

c) 243

d) 729

**Answer: c) 243**

**5. What is the square root of 49?**

a) 5

b) 6

c) 7

d) 8

**Answer: c) 7**

**6. What is the cube root of 8?**

a) 2

b) 4

c) 6

d) 8

**Answer: a) 2**

**7. What is the square of (2 + 3)?**

a) 4 + 9

b) 5 + 5

c) 6 + 6

d) 7 + 8

**Answer: a) 4 + 9**

**8. What is the cube of (2 + 1)?**

a) 5

b) 7

c) 9

d) 11

**Answer: b) 7**

**9. What is the fourth power of (1 + 2)?**

a) 9

b) 27

c) 81

d) 243

**Answer: d) 243**

**10. What is the square root of 25/16?**

a) 1/2

b) 5/4

c) 3/2

d) 2

**Answer: b) 5/4**

**11. What is the cube root of 125/27?**

a) 1/3

b) 5/3

c) 25/9

d) 125/81

**Answer: b) 5/3**

**12. What is the square of (3 – 2)?**

a) 1

b) 4

c) 5

d) 6

**Answer: a) 1**

**13. What is the cube of (4 – 3)?**

a) 1

b) 4

c) 27

d) 64

**Answer: a) 1**

**14. What is the fourth power of (5 – 2)?**

a) 27

b) 64

c) 125

d) 216

**Answer: b) 64**

**15. What is the square root of 144?**

a) 10

b) 12

c) 14

d) 16

**Answer: b) 12**

**16. What is the cube root of 64?**

a) 4

b) 6

c) 8

d) 10

**Answer: a) 4**

**17. What is the fourth power of (1/2)?**

a) 1/8

b) 1/16

c) 1/32

d) 1/64

**Answer: b) 1/16**

**18. What is the square root of 3 + 4i?**

a) 1 + i

b) 2 + i

c) 2 + 2i

d) 3 + 4i

**Answer: c) 2 + 2i**