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

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

3.If a polygon has 44 diagonals ,then the number of its sides are

11
7
8
None of these

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

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

More Permutations Combinations QUESTIONS AND ANSWERS available in next pages

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