## Sum of first n terms of a given series 3, 6, 11, …..

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 »

## Find First element in AP which is multiple of given prime

Given the first term (A) and common difference (D) of an Arithmetic Progression, and a prime number (P). The task is to find the position… Read More »

## Minimum number of changes required to make the given array an AP

Given an array arr[] of integers and a number . You can change any element of the array to any integer. The task is to… Read More »

## Longest arithmetic progression with the given common difference

Given an unsorted array of size n and an integer d which is the common difference, the task is to find the length of the… Read More »

## Longest string in non-decreasing order of ASCII code and in arithmetic progression

Given a non-empty string S of uppercase alphabets of length L and the task is to find the longest string from the given string with… Read More »

## n-th number whose sum of digits is ten

Given an integer value n, find out the n-th positive integer whose sum is 10. Examples: Input : n = 2 Output : 28 The… Read More »

## Probability for three randomly chosen numbers to be in AP

Given a number n and an array containing 1 to (2n+1) consecutive numbers. Three elements are chosen at random. Find the probability that the elements… Read More »

## PHP program to print an arithmetic progression series using inbuilt functions

We have to print an arithmetic progressive series in PHP, between two given numbers a and b both including, with a given common arithmetic difference… Read More »

## Find N Arithmetic Means between A and B

Given three integers A, B and N the task is to find N Arithmetic means between A and B. We basically need to insert N… Read More »

## Sum of n digit numbers divisible by a given number

Given n and a number, the task is to find the sum of n digit numbers that are divisible by given number. Examples: Input :… Read More »

## Sum of series with alternate signed squares of AP

We are given the Integer n and also in the next line 2*n integers which represent a Arithmetic Progression series a1, a2, a3…a2n they are… Read More »

## Print all triplets in sorted array that form AP

Given a sorted array of distinct positive integers, print all triplets that form AP (or Arithmetic Progression) Examples : Input : arr[] = { 2,… Read More »

## Program for N-th term of Arithmetic Progression series

Given first term (a), common difference (d) and a integer N of the Arithmetic Progression series, the task is to find Nthterm of the series.… Read More »

## Program to print Arithmetic Progression series

Given first term (a), common difference (d) and a integer n of the Arithmetic Progression series, the task is to print the series. Examples :… Read More »

## Sum of Arithmetic Geometric Sequence

In mathematics, an arithmetico–geometric sequence is the result of the term-by-term multiplication of a geometric progression with the corresponding terms of an arithmetic progression. is… Read More »