By what least number must 21600 be multiplied so as to make it perfect cube ?
A. 6
B. 10
C. 20
D. 30
Answer: Option B
Solution (By Examveda Team)
$$21600 = {2^5} \times {3^3} \times {5^2}$$To make it a perfect cube, it must be multiplied by (2 × 5), i.e., 10
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