Identify the series :

3 + 3 + 3 ---- is

Identify X in the series

Identify X in the series.

The following question, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 1 + 3, 6 + 3, 13 + 3, 22 + 3, ? .

The arithmetic mean of the series 1 , 3, 3^(2) , …., 3^(n-1) is "_______" .

The sum of the series 1^(3) + 2 ^(3) + 3^(3) + ...+15^(3) is

Find the sum of first n terms of the series 1^(3) + 3^(3) + 5^(3) +…