Question

By what number should we divide 135 to get a perfect cube......?????
A. 3 B. 5 C. 7 D. 9
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Answer 1

Answer:

the prime factors 5 is not present as triples. Hence, we divide 135 by 5, so that the obtained number becomes a perfect cube. 135÷5=27=33 135 ÷ 5 = 27 = 3 3 is a perfect cube

Answer 2

Answer:

Option A

Hence the smallest number by which 128 should be divided to make a perfect cube is 2 .

Here, the prime factors 5 is not present as triples. Hence, we divide 135 by 5, so that the obtained number becomes a perfect cube.

135÷5=27=33 135 ÷ 5 = 27 = 3

3 is a perfect cube.

Step-by-step explanation:

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