EASY
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IMPORTANT
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The number of ways in which three girls and ten boys can be seated in two vans, each having numbered seats, three in the front and four at the back is
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Important Questions on Permutations and Combinations
EASY
JEE Main/Advance
IMPORTANT
A box contains red, white and blue balls. Number of ways of selection of three red balls is
EASY
JEE Main/Advance
IMPORTANT
In a test paper there are questions. Number of ways in which questions to be answered is
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JEE Main/Advance
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In a meeting everyone had shaken hands with everyone else, it was found that handshakes were exchanged. Number of persons present in the meeting is
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JEE Main/Advance
IMPORTANT
Numbers of all permutations of the set of four letters taken two at a time is
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JEE Main/Advance
IMPORTANT
In a badminton tournament each player played one game with all the other players. Number of players participated in the tournament if they played games is
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JEE Main/Advance
IMPORTANT
Number of ways in which plus signs and minus signs be arranged in a row so that no two minus signs are together is
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JEE Main/Advance
IMPORTANT
Find the number of ways in which a person can buy chocolates, if there are three types of chocolates available. (Chocolates of same type are identical)
EASY
JEE Main/Advance
IMPORTANT
