Aptitude Preparation: Mock Test, IT Campus Placement, Aptitude Questions and Answers

Subject: Square Root and Cube Root 2

**Part 2: List for questions and answers of Square Root & Cube Root**

**Q1. The cube root of 0.0007290.000729 is**

a) 0.090.09

b) 0.90.9

c) 0.210.21

d) 0.110.11

**Q2. What is the least perfect square which is divisible by each of 21,3621,36 and 66?66?**

a) 213444213444

b) 214434214434

c) 214344214344

d) 231444231444

**Q3. What is the square root of 0.16**

a) 0.4

b) 0.04

c) 0.004

d) 4

**Q4. The least perfect square, which is divisible by each of 21, 36 and 66 is**

a) 213414

b) 213424

c) 213434

d) 213444

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**Q5. The largest four digit number which is a perfect cube, is:**

a) 7000

b) 8000

c) 9261

d) 9999

**Q6. What is the smallest number by which 3600 be divided to make it a perfect cube.**

a) 450

b) 445

c) 440

d) 430

**Q7. The cube root of .000216 is**

a) 0.6

b) 0.006

c) 0.06

d) 0.0006

**Q8. Find the square root of 5929**

a) 49

b) 33

c) 77

d) 73

** **

**Q9. Find the cube root of 1728.**

a) 12

b) 14

c) 16

d) 18

**Q10. Find the least number by which 5808 must be multiplied to make it a perfect square.**

a) 3

b) 4

c) 6

d) 7

**Q11. Find the least number by which 1470 must be divided to get a number which is a perfect square.**

a) 6

b) 9

c) 12

d) 30

**Q12. Find the least number to be subtracted from 0.000326 in order to make it a perfect square.**

a) 0.0004

b) 0.04

c) 0.000002

d) 0.0002

**Q13. Find the smallest number by which 1780 must be added to make the sum a perfect square.**

a) 46

b) 49

c) 69

d) 72

**Q14. The cube root of .000216 is:**

a) 0.6

b) 0.06

c) 77

d) 87

**Q15. The square root of 64009 is :**

a) 253

b) 347

c) 363

d) 803

** **

**Q16. The square root of (2722 – 1282) is :**

a) 144

b) 200

c) 240

d) 256

**Q17. How many two-digit numbers satisfy this property : The last digit (unit’s digit) of the square of the two-digit number is 8 ?**

a) 1

b) 3

c) 4

d) None of these.

**Q18. What is the square root of 0.16 ?**

a) 0.004

b) 0.04

c) 0.4

d) 4

** **

**Q19. The digit in the unit’s place in the square root of 15876 is :**

a) 2

b) 4

c) 6

d) 8

** **

**Q20. If x*y = x + y + √xy, the value of 6 * 24 is :**

a) 41

b) 42

c) 43

d) 44

** **

**Part 2: List for questions and answers of Square Root & Cube Root**

Q1. Answer: a

Q2. Answer: a

Q3. Answer: a

Q4. Answer: d

Q5. Answer: c

Q6. Answer: a

Q7. Answer: c

Q8. Answer: c

Q9. Answer: a

Q10. Answer: a

Q11. Answer: d

Q12. Answer: c

Q13. Answer: c

Q14. Answer: b

Q15. Answer: a

Q16. Answer: c

Q17. Answer: d

Q18. Answer: c

Q19. Answer: c

Q20. Answer: b