# Tag Archives: series-sum

Given a number N. The task is to find the sum of below series upto nth term.  3, 7, 13, 21, 31, ….   Examples:   Inputâ€¦ Read More
Given a number N. The task is to find the sum of the below series up to N-th term:  1 + 22 + 333 +â€¦ Read More
Given a series and a number n, the task is to find the sum of its first n terms. Below is the series: 2, 5,â€¦ Read More
Given a series, the task is to find the sum of the below series up to n terms:  1, 8, 27, 64, … Examples:   Input:â€¦ Read More
Find the sum of first n terms of the given series:  3, 20, 63, 144, ..... Examples:   Input : n = 2 Output : 23â€¦ Read More
Given a series of k terms, where ‘X’ is any value between 0-9 and ‘k’ is any positive integer. The task is to find theâ€¦ Read More
Given a series and a number n, the task is to find the sum of its first n terms. Below is the series:  3, 6,â€¦ Read More
Given n, we need to find sum of first n terms of the series represented as Sn = 3 + 5 + 9 + 17â€¦ Read More
Given a series:   Sn = 1*3 + 3*5 + 5*7 + …  It is required to find the sum of first n terms of thisâ€¦ Read More
Given N, and ff(N) = f(1) + f(2) + …… + f(N), where f(k) is the sum of all subsets of a set formed byâ€¦ Read More
Given value of N and K. The task is to find the sum of series till N-th term whose i-th term is given by Tiâ€¦ Read More
Given an integer N, the task is to find the sum of series 20 + 21 + 22 + 23 + …. + 2n.Examples:   Input:â€¦ Read More
Given a positive integer n. The task is to find the sum of product of consecutive binomial coefficient i.e nC0*nC1 + nC1*nC2 + ….. + nCn-1*nCn â€¦ Read More
Given a series 1, 17, 98, 354 â€¦â€¦ Find the nth term of this series.The series basically represents the sum of the 4th power ofâ€¦ Read More
Given n, we need to find sum of 1*1! + 2*2! + â€¦â€¦..+ n*n! Examples:   Input: 1 Output: 1Input: 3 Output: 23 1 * 1! + 2 * 2!â€¦ Read More