Question

Which of the following is not a perfect cube?
a) 216 b) 1000 c) 243 d) 1331

Answer 1

Answer:

cube root of 216- 6

cube root of 1000- 10

cube root of 1331- 11

hence 243 is not a perfect cube

Answer 2

Answer:

243

Step-by-step explanation:

According to information given in the question as

Which of the following is not a perfect cube?

Which of the following is not a perfect cube?a) 216

b) 1000

c) 243

d) 1331

We have to find the number which is not a cube number.

What are cube numbers?

The number which is obtained from multiplying the same number 3 times.

Eg:- n×n×n=n³

So the numbers given are

216=6×6×6

1000=10×10×10

1331=11×11×11

But the number 243 cannot cannot be written in that form.