Question
By what least number must 21600 be multiplied so as to make it perfect cube ?
Answer: Option B
$$21600 = {2^5} \times {3^3} \times {5^2}$$
To make it a perfect cube, it must be multiplied by (2 × 5), i.e., 10
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$$21600 = {2^5} \times {3^3} \times {5^2}$$
To make it a perfect cube, it must be multiplied by (2 × 5), i.e., 10
Was this answer helpful ?
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