Question

Find the sum of the cubes of first 15 natural numbers.

Answer 1

Given:

• 15

To find:

The sum of the cubes of first 15 natural numbers.

Solution:

$( \frac{(15 \times 16)}{2} {)}^{2}$

$= (15 \times 8 {)}^{2}$

=14400

Hence, the sum of the cubes of first 15 natural numbers is 14400