Question

Cube root of 658503 =

• A. 87
• B. 97
• C. 77

Answer 1

The correct option is A 87

Since the unit digit of 658503 is 3, the unit digit of its cube root should be 7.
Now, consider the first three digits 658
We know that, $8^3$ < 658 < $9^3$
So the digit in the ten's place is 8.
$\to$ cube root of 658503 = 87.