Question

The perfect cube of number is:

a.87787

b.9889

c.9000

d.9261

Answer 1

the answer is 9261 it is cube of 21

Answer 2

$\sqrt[3]{87787} = 44.44 \\ \\ \sqrt[3]{9889} = 21.46 \\ \\ \sqrt[3]{9000} = 20.80 \\ \\ \sqrt[3]{9261} = 21$

Hence (d) 9261 is a perfect cube.