# IIT JEE Questions And Answers :: Permutations Combinations: part1

IIT JEE : Permutations Combinations QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2014 examinations :

 1.In a 12-storey house ten people enter a lift cabin.It is known that they will leave the lift in groups of2,3 and 5 people at different storeys.The number of ways they can do so if the lift does not stop up to the second storey is 78 112 720 132 ANSWER : : 720
 2.A committee of 5 is to be formed from 9 Ladies and 8 men. If the committee commands a lady majority, then the number of ways this can be done is 2352 1008 3360 3486 ANSWER : : 3486
 3.If a polygon has 44 diagonals ,then the number of its sides are 11 7 8 None of these ANSWER : : 11
 4.A set contains (2n+1) elements. If the number of subsets of this set which contain almost n elements is 4096,then the value of n is 6 15 21 None of these ANSWER : : 6
 5.Ten different letters of an alphabet are given. Words with 5 letters are formed from these given letters. Then the number of words which have at least one letters repeated is 69760 30240 99748 None of these ANSWER : : 69760

More Permutations Combinations QUESTIONS AND ANSWERS available in next pages

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