Before Applying job posting in any websites or recruiting agencies or sending resumes to job recruiters or any other employment website you need to improve your skills on general knowledge, Aptitude, Puzzles, logical reasoning, general english, database, programming as per your job profile. Job recruiters or mostly preferring job candidates who are having more stuff in those categories mentioned above. So improving more skills on your job profile always boost up your career and your performance. Even hiring companies and job recruiters who are looking for many job posting websites actually they are looking and filtering on these activities. In these Square Roots and Cube Roots section you need to update more questions to perform well in front of job recruiters and companies. Square Roots and Cube Roots Interview questions are most important to score in interview, Update all questions to score well in all rounds in job interview.

# Square Roots and Cube Roots interview questions and answers

**6)
The least number by which 294 must be multiplied to make it a perfect square, is : **

- 2
- 3
- 6
- 24

**Answer**- c) 6
**Explanation**-
294 = 7 * 7 * 2 * 3.

To make it perfect square, it must be multiplied by 2 * 3 i.e., 6.

Required number = 6.

**7)
Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square.
**

- 2
- 3
- 7
- 11

**Answer**- b) 3
**Explanation**-
5808 = 2 * 2 * 2 * 2 * 3 * 11 * 11 = 2

^{2}* 2^{2}* 3 * 11^{2}

**8)
The least number by which 1470 must be divided to get a number which is a perfect square, is : **

- 5
- 6
- 15
- 30

**Answer**- d) 30
**Explanation**-
1470 = 7*7*5*6.

To make it a perfect square, it must be divided by 5 * 6, i.e.,30

**9) The largest four digit number which is perfect cube, is :
**

- 8000
- 9261
- 9999
- None of these

**Answer**- b) 9561
**Explanation**-
Clearly, 9261 is a perfect cube satisfying the given property.

**10) By what least number 675 be multiplied to obtain a number which is a perfect cube ?**

- 5
- 6
- 7
- 8

**Answer**- a) 5
**Explanation**675 = 5 * 5 * 3 * 3 * 3.

To make it a perfect cube, it must be multiplied by 5.