# 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:   Input… 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 +… 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,… 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:… Read More
Find the sum of first n terms of the given series:  3, 20, 63, 144, ..... Examples:   Input : n = 2 Output : 23… 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 the… 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,… Read More
Given n, we need to find sum of first n terms of the series represented as Sn = 3 + 5 + 9 + 17… Read More
Given a series:   Sn = 1*3 + 3*5 + 5*7 + …  It is required to find the sum of first n terms of this… 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 by… 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 Ti… Read More
Given an integer N, the task is to find the sum of series 20 + 21 + 22 + 23 + …. + 2n.Examples:   Input:… 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 … Read More
Given a series 1, 17, 98, 354 …… Find the nth term of this series.The series basically represents the sum of the 4th power of… Read More
Given n, we need to find sum of 1*1! + 2*2! + ……..+ n*n! Examples:   Input: 1 Output: 1Input: 3 Output: 23 1 * 1! + 2 * 2!… Read More