Which of the following will not be a number of the series 1, 8, 27, 64, 125, ?

A256 ✓ Correct

B512

C729

D1000

Correct answer: (A) 256

Explanation

256 does not belong to the series.

The terms are perfect cubes 1, 8, 27, 64, 125.

They come from 1, 2, 3, 4, 5 each multiplied thrice.

512, 729, 1000 are the cubes of 8, 9, 10.

256 is not the cube of any whole number.

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