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Number Divisibility

78 posts

Divisibility Rule for 15

Last Updated: 15 September 2025

Divisibility rules are shortcuts or tricks in mathematics that help us quickly check whether a number is divisible by another number without doing the full division.These ...read more

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Number Divisibility

Divisibility Rule for 16

Last Updated: 18 September 2025

Divisibility ruleshelp us quickly determine if a number can be divided evenly by another without performing long division. A number is divisible by 16 if any one of the fo...read more

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Number Divisibility

Divisibility Rule for 14

Last Updated: 15 September 2025

Divisibility rules are shortcuts or tricks in mathematics that help us quickly check whether a number is divisible by another number without doing the full division.A numb...read more

article_image

Number Divisibility

Divisibility Rule of 10 with Examples

Last Updated: 23 July 2025

The Divisibility rule for 10 is one of the simplest rules in mathematics. It helps determine whether a number is divisible by 10 without performing the actual division.Div...read more

School Learning

Number Divisibility

Divisibility Rule of 8 with Examples

Last Updated: 23 July 2025

Divisibility rules can simplify complex calculations and problem-solving. This guide describes the specific rule for divisibility by 8, providing clear explanations and pr...read more

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School Learning

Number Divisibility

Easy Math Division Tricks

Last Updated: 23 July 2025

Division, while a fundamental arithmetic operation, can sometimes be challenging, especially when dealing with large numbers or complex equations. However, armed with a fe...read more

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School Learning

Number Divisibility

Find number of integers that can be obtained by replacing ? in given string for perfect divisibility by 9

Last Updated: 18 January 2024

Given a String S of length N. S contains 'X' at some places. Then your task is to output the number distinct of integers that can be formed by replacing 'X' from the range...read more

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Number Divisibility

Geeks Premier League 2023

Counting Arrays with divisibility constraint

Last Updated: 23 July 2025

Given two integers X and Y, the task is to find the number of different arrays that can be constructed of size largest possible size that follow the conditions below:Every...read more

Number Divisibility

C++ Program to Count rotations which are divisible by 10

Last Updated: 23 July 2025

Given a number N, the task is to count all the rotations of the given number which are divisible by 10.Examples:Input: N = 10203Output: 2Explanation:There are 5 rotations ...read more

Number Divisibility

Java Program to Count rotations which are divisible by 10

Last Updated: 23 July 2025

Given a number N, the task is to count all the rotations of the given number which are divisible by 10.Examples:Input: N = 10203Output: 2Explanation:There are 5 rotations ...read more

Number Divisibility

Python3 Program to Count rotations which are divisible by 10

Last Updated: 23 July 2025

Given a number N, the task is to count all the rotations of the given number which are divisible by 10.Examples:Input: N = 10203Output: 2Explanation:There are 5 rotations ...read more

Number Divisibility

Javascript Program to Count rotations which are divisible by 10

Last Updated: 23 July 2025

Given a number N, the task is to count all the rotations of the given number which are divisible by 10.Examples:Input: N = 10203Output: 2Explanation:There are 5 rotations ...read more

Number Divisibility

Minimum number of digits required to be removed to make a number divisible by 4

Last Updated: 23 July 2025

Given a number N, the task is to count the minimum number of digits to be removed from N to make it divisible by 4.Examples:Input: N = 12367Output: 1Explanation: Removing ...read more

Number Divisibility

Check if sum of digits in the left half is divisible by sum of digits in the right half in the largest permutation of N

Last Updated: 23 July 2025

Given a positive integer N, the task is to maximize the integer N by rearranging the digits and check if the sum of the left half digits is divisible by the sum of the rig...read more

Number Divisibility

Minimum and maximum number of digits required to be removed to make a given number divisible by 3

Last Updated: 23 July 2025

Given a numeric string S, the task is to find the minimum and the maximum number of digits that must be removed from S such that it is divisible by 3. If it is impossible ...read more

Number Divisibility

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