Sum of all numbers in the given range which are divisible by M
Given three numbers A, B and M such that A < B, the task is to find the sum of numbers divisible by M in… Read More »
Tag Archives: arithmetic progression
Check whether nodes of Binary Tree form Arithmetic, Geometric or Harmonic Progression
Given a binary tree, the task is to check whether the nodes in this tree form an arithmetic progression, geometric progression or harmonic progression. Examples:… Read More »
Find an integer that is common in the maximum number of given arithmetic progressions
Given two integer arrays A[] and D[], where Ai and Di represent the first element and common difference of an arithmetic progression respectively, the task… Read More »
Minimum operations to make two numbers equal
Given two numbers n and m, the task is to find the minimum number of operations required to make them equal if the following operations… Read More »
Minimum increments to convert to an array of consecutive integers
Given an array arr[] with N elements, the task is to find the minimum number of operations required so that an Arithmetic Progression with the… Read More »
Change one element in the given array to make it an Arithmetic Progression
Given an array which is an original arithmetic progression with one element changed. The task is to make it an arithmetic progression again. If there… Read More »
Sum of i * countDigits(i)^2 for all i in range [L, R]
Given a range [L, R], the task is to find the sum i * countDigits(i)2 for all i ∈ [L, R] where countDigits(i) is the… Read More »
Series summation if T(n) is given and n is very large
Given a sequence whose nth term is T(n) = n2 – (n – 1)2 The task is to evaluate the sum of first n terms… Read More »
Convert given array to Arithmetic Progression by adding an element
Given an array arr[], the task is to find an element that can be added to the array in order to convert it to Arithmetic… Read More »
Print first N terms of series (0.25, 0.5, 0.75, …) in fraction representation
Given an integer N, the task is to print the first N terms of the series in their fraction form i.e. 1/4, 1/2, 3/4, 1,… Read More »
Find the nth term of the series 0, 8, 64, 216, 512, . . .
Given an integer N, the task is to find the Nth term of the following series: 0, 8, 64, 216, 512, 1000, 1728, . .… Read More »
Arithmetic Mean
Arithmetic mean, also called the average or average value, is the quantity obtained by summing two or more numbers or variables and then dividing by… Read More »
Arithmetic Progression
A sequence of numbers is called an Arithmetic progression if the difference between any two consecutive terms is always the same. In simple terms, it… Read More »
Sum of first N natural numbers which are divisible by X or Y
Given a number N. Given two numbers X and Y, the task is to find the sum of all those numbers from 1 to N… Read More »
Sum of multiples of A and B less than N
Given a number N, the task is to find the sum of all the multiples of A and B below N. Examples: Input:N = 11,… Read More »
