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Aptitude · Q131

Simplification

Competitive Exams · Aptitude · question 131

Q131

By what least number should 4320 be multiplied so as to obtain a number which a perfect cube ?

A.
40
B.
50
Answer
C.
60
D.
90

Answer: Option B

Solution

Answer: Option B
Solution:
According to question,
Simplification mcq solution image
Factors are :
3 × 3 × 3 × 2 × 2 × 2 × 2 × 2 × 5
∴ It must be multiplied by
= 2 × 5 × 5
= 50