Permutations and Combinations

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020

The number of words, with or without meaning, that can be formed by taking 4 letters at a time from the letters of the word...

JEE Main Mathematics Easy

View Solution →

Q JEE MAIN 2020

The number of words (with or without meaning) that can be formed from all the letters of the word “LETTER” in which vowels never come...

JEE Main Mathematics Easy

View Solution →

Q JEE MAIN 2019

There are m men and two women participating in a chess tournament. Each participant plays two games with every other participant. If the number of...

JEE Main Mathematics Medium

View Solution →

Q JEE MAIN 2020

Two families with three members each and one family with four members are to be seated in a row. In how many ways can they...

JEE Main Mathematics Easy

View Solution →

Q JEE MAIN 2019

The number of natural numbers less than 7,000 which can be formed by using the digits 0, 1, 3, 7,9 (repitition of digits allowed) is...

JEE Main Mathematics Medium

View Solution →

Q JEE MAIN 2020

In a bombing attack, there is 50% chance that a bomb will hit the target. Atleast two independent hits are required to destroy the target...

JEE Main Mathematics Medium

View Solution →

Q JEE MAIN 2020

An urn contains 5 red marbles, 4 black marbles and 3 white marbles. Then the number of ways in which 4 marbles can be drawn...

JEE Main Mathematics Easy

View Solution →

Q JEE MAIN 2019

Suppose that 20 pillars of the same height have been erected along the boundary of a circular stadium. If the top of each pillar has...

JEE Main Mathematics Medium

View Solution →

Q JEE-MAIN 2020

There are 3 sections in a question paper and each section contains 5 questions. A candidate has to answer a total of 5 questions, choosing...

JEE Main Mathematics Easy

View Solution →

Q JEE MAIN 2020

A test consists of 6 multiple choice questions, each having 4 alternative answers of which only one is correct. The number of ways, in which...

JEE Main Mathematics Easy

View Solution →