Mental Maths Class 7 Number System

Asked by RAJANYA MONDAL · The Level field School

What is the cube root of 3375?

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Answer: A. 15

3375 ends in 5, so its cube root ends in 5. As 10^3 = 1000 and 20^3 = 8000, the root is 15: 15 x 15 = 225 and 225 x 15 = 3375.

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