By what least number should 4320 be multiplied so as to obtain a number which a perfect cube ?
A. 40
B. 50
C. 60
D. 90
Answer: Option B
Solution (By Examveda Team)
According to question,
Factors are :
3 × 3 × 3 × 2 × 2 × 2 × 2 × 2 × 5
∴ It must be multiplied by
= 2 × 5 × 5
= 50

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