(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Square Root & Cube Root

(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Square Root & Cube Root

1. The largest three digit number which is a perfect cube is

(a) 986
(b) 729
(c) 981
(d) 864

2. What is the smallest number by which 1400 be divided to make it a perfect cube?

(a) 130
(b) 145
(c) 160
(d) 175

3. The cube root of 5.832 is

(a) 0.18
(b) 0.28
(c) 2.8
(d) 1.8

4. Find the least number by which 175760 be multiplied to make it a perfect cube.

(a) 100
(b) 160
(c) 80
(d) 27

5. Find the least number by which 234375 be divided to make it a perfect cube.

(a) 20
(b) 8
(c) 15
(d) 10

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