Ratio and Proportion

15 posts

Ratio and Proportion Practice Questions - Advanced

Last Updated: 03 November 2025

RatioandProportionare fundamental concepts in mathematics, while aRatio is a comparison of two quantities of the same unit. Proportionis an equation that states that two r...read more

Ratio and Proportions Practice Questions - Basic

Last Updated: 23 July 2025

RatioandProportionare fundamental concepts in mathematics while aRatio is a comparison of two quantities of the same unit. Proportionis an equation that states that two ra...read more

Minimize insertions in Array to make ratio of each pair as K

Last Updated: 23 July 2025

Given an array arr[] of length N the task is to find the minimum number of elements to be added in the array such that there exists every independent pair in the array who...read more

Geeks-Premier-League-2022

DSA

Arrays

Ratio and Proportion

Minimize sum of changes in Array such that ratio of new element to array sum is at most p:q

Last Updated: 23 July 2025

Given an array A of n integers and two integers p and q, the task is to increase some (or all) of the values in array A in such a way that ratio of each element (after fir...read more

Searching

Mathematical

Geeks Premier League

Geeks-Premier-League-2022

Maximize sum of ratios of N given fractions by incrementing numerator and denominators K times by 1

Last Updated: 23 July 2025

Given a positive integer K and an array arr[] consisting of {numerator, denominator} of N fractions, the task is to find the sum of the ratio of the given fractions after ...read more

Count of pairs in given Array having same ratio

Last Updated: 23 July 2025

Given an array arr[] consisting of N pairs of the form {A, B}, the task is to count the pairs of indices (i, j) such that the ratio of pairs of arr[i] and arr[j] are the s...read more

Count of pairs in given range having their ratio equal to ratio of product of their digits

Last Updated: 23 July 2025

Given two integers L and R, the task is to find the count of unordered pairs of integers (A, B) in the range [L, R] such that the ratio of A and B is the same as the ratio...read more

Ratios and Percentages

Last Updated: 09 January 2026

Comparing quantities is easy; each of the quantities is defined to a specific standard, and then the comparison between them takes place after that. Comparing quantities c...read more

Find the ratio of LCM to GCD of a given Array

Last Updated: 15 July 2025

Given an array arr[] of positive integers, the task is to find the ratio of LCM and GCD of the given array.Examples:Input: arr[] = {2, 3, 5, 9}Output: 90:1Explanation:The ...read more

DSA

GCD-LCM

Ratio and Proportion

Largest Ratio Contiguous subarray

Last Updated: 12 July 2025

Given an array arr[] of N numbers, the task is to find the largest ratio of contiguous subarray from the given array.Examples:Input: arr = { -1, 10, 0.1, -8, -2 }Output: 1...read more

Check whether the given integers a, b, c and d are in proportion

Last Updated: 12 July 2025

Given four integers a, b, c and d. The task is to check whether it is possible to pair them up such that they are in proportion. We are allowed to shuffle the order of the...read more

Sum of two numbers if the original ratio and new ratio obtained by adding a given number to each number is given

Last Updated: 12 July 2025

Given a ratio a : b of two unknown numbers. When both the numbers are incremented by a given integer x, the ratio becomes c : d. The task is to find the sum of the two num...read more

Ratio of area of a rectangle with the rectangle inscribed in it

Last Updated: 11 July 2025

Given two rectangles, X with a ratio of length to width a:b and Y with a ratio of length to width c:d respectively. Both the rectangles can be resized as long as the ratio...read more

DSA

Ratio and Proportion

area-volume-programs

Program to solve the Alligation Problem

Last Updated: 11 July 2025

Write a program to find the ratio in which a shopkeeper will mix two types of rice worth Rs.Xkg and Rs.Ykg, so that the average cost of the mixture is Rs.Zkg.Examples:Inpu...read more

Technical Scripter 2018

DSA

number-theory

Ratio and Proportion

Program to find the common ratio of three numbers

Last Updated: 11 July 2025

Given a:b and b:c. The task is to write a program to find ratio a:b:cExamples:Input: a:b = 2:3, b:c = 3:4Output: 2:3:4Input: a:b = 3:4, b:c = 8:9Output: 6:8:9Learn About ...read more

Technical Scripter 2018

DSA

Ratio and Proportion