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Frequently Asked Elitmus Numerical Ability - Permutation and Combination Sample Question with Solutions

(#M40155551) ELITMUS QUESTION Keep an EYE

Boxes numbered 1, 2, 3, 4 and 5 are kept in a row and they which are to be filled with either a red or a blue ball, such that no two adjacent boxes can be filled with blue balls. Then, how many different arrangements are possible, given that all balls of a given colour are exactly identical in all respects ?
(a) 8 (b) 10 (c) 15 (d) 22

Asked In Elitmus shaik salma sultana (9 years ago)

Unsolved Read Solution (18)

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(#M40036982) ELITMUS QUESTION Keep an EYE

Sets A and B have 3 and 6 elements each. What can be the minimum number of elements in AUB?
Option
(a) 3
(b) 6
(c) 9
(d) 18
(e) 24

Asked In Elitmus likhith vallabhaneni (11 years ago)

Unsolved Read Solution (13)

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(#M40008865) ELITMUS QUESTION Keep an EYE

how many six digit number can be formed using the digits 1 to 6, without repetition, such that the number is divisble by the digit at unit's place

Asked In Elitmus amrit bhagat (13 years ago)

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(#M40018135) ELITMUS QUESTION quant Keep an EYE

Abhishek and Aishwarya pick up a ball at random from a bag containing M red and N yellow coloured balls.one after the other,replacing the ball every time tillone of them gets a red ball.The first one to get a red ball is declared the winner.If Abhishek begins the game and the odds in favour of his winning the game are 3 to 2, then find the ratio M:N?
a)1:1 b)1:2 c)2:3 d)3:2

Asked In Elitmus mahesh guntumadugu (12 years ago)

Unsolved Read Solution (7)

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(#M40065674) ELITMUS QUESTION Number system Keep an EYE

The number of 6 digit even numbers that can be made from the number 214635 are..
a,360
b,120
c,72
d,18

Asked In Elitmus Harmitha (10 years ago)

Unsolved Read Solution (21)

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(#M40036913) ELITMUS QUESTION Keep an EYE

A man ate 100 apple in five days daily he ate more than 6 apples when compare to previous day how many apples he ate in first day.......?

Asked In Elitmus Dada Khalandar (11 years ago)

Solved HARSHA Read Solution (9)

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(#M40164749) ELITMUS QUESTION Number System Keep an EYE

Let S be the number of 6 digit numbers formed by using 1,2,3,4,5,6 without repetition and R be the number of 5 digit numbers formed by 1,2,3,4,5,6 without repetition. Find S-R.

Asked In Elitmus Wali Nusker (8 years ago)

Unsolved Read Solution (11)

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(#M40165082) ELITMUS QUESTION Permutation & Combination Keep an EYE

There are people at the party including Abhishek and Aishwarya. If Abhishek shook hands with m woman as many times as men and aishwarya shook hands with n men as many times as woman.
Find how many people were there at the party. If n = 4 and m = 3.

Asked In Elitmus Ayush Barnawal (7 years ago)

Unsolved Read Solution (5)

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(#M40040277) ELITMUS QUESTION mindtree call Keep an EYE

How many 6 digit telephone numbers can be formed if each number starts with 35 and no digit appears more than once?

Options
1) 720
2) 360
3) 1420
4) 1680

Asked In Elitmus amit kumar sahu (11 years ago)

Unsolved Read Solution (4)

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(#M40036934) ELITMUS QUESTION Keep an EYE

In How many ways can 12 papers be arranged if the best and the worst papers never come together?

Asked In Elitmus Dada Khalandar (11 years ago)

Solved sourav karan Read Solution (7)

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