1.

Which of the following numbers is not a perfect cube? (a) 216 (b) 576 (c) 125 (d) 343​

Answer»

number 576 is not a perfect cube.

Given:

a) 216 (b) 576 (c) 125 (d) 343

To find:

which of the given numbers is not a perfect cube?

Solution:

Cube MEANS we should multiply the number itself three TIMES.

216 is the perfect cube of 6.

216 = 6 x 6 x 6

125 is the perfect cube of 5

125 = 5 x 5 x 5

343 is the perfect cube of 7.

343 = 7 x 7 x 7

576 is not a perfect cube. So, the required answer is 576.



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