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Elitmus Numerical Ability - Permutation and Combination Sample Question with Solutions

(#M40165120) ELITMUS QUESTION permutation and combination Keep an EYE

How many three digit numbers can be formed using the digits 0,1,2,3,4,5 only once.( repetition not allowed ) such that the number is divisible by 15?
A) 8 B)14 C )20 D) 25

Asked In Elitmus INDRAJA NAIK (7 years ago)

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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)

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(#M40165024) ELITMUS QUESTION P and C Keep an EYE

Asked in Bangalore Elitmus 29/10/2017

find the number of ways you can fill a 3*3 grid with 4 corners define a (a,b,c,d) if you have 3 white marbles and 6 black marbles.

Answer is: 9c3

Asked In Elitmus Pankaj Lohani (7 years ago)

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(#M40164996) ELITMUS QUESTION Permutation and combination Keep an EYE

How many different sums can be formed with the following coins:
5 rupee, 1 rupee, 50 paisa, 25 paisa , 10 paisa,3 paisa, 2 paisa,1 paisa?

Asked In Elitmus Abhay katiyar (7 years ago)

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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 (7 years ago)

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(#M40164748) ELITMUS QUESTION Number System Keep an EYE

How many fractions containing 3 digits in the numerator and 3 digits in the denominator (Example, 123/456) can be made using the numbers 1,2,3,4,5,6 without repetitions such that the fraction is not more than 1/5?

Asked In Elitmus Wali Nusker (7 years ago)

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(#M40164713) ELITMUS QUESTION Keep an EYE

find 6 digit number that can be formed by 1,2,3,4,5,6 once such that the 6 digit number is divisible by its unit digit(the unit digit is not 1)

Asked In Elitmus fucktard (7 years ago)

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(#M40158268) ELITMUS QUESTION Permutations and combinations Keep an EYE

How many six digit numbers can be formed using digit 1 to 6, without repition such that the number is divisible by the digit in it's unit place

a.402
b.528
c.648
d.720

Asked In Elitmus Shashank Saha (8 years ago)

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(#M40158263) ELITMUS QUESTION P and C Keep an EYE

Find the number of ways you can fill a 3*3 grid ( wit h4 corners defined as a,b,c,d) if you have 3 white marbles and 6 black marbles

a.9c3
b.6c3
c.9c3+6c3
d.9c3+6c3/3!

Approach please...????

Asked In Elitmus Shashank Saha (8 years ago)

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(#M40158089) ELITMUS QUESTION quantiative Keep an EYE

How many six digit numbers can be formed using the digits 1 to 6, without repetition such that the number is divisible by the digit at its unit place?
Ans is: a) 720
b) 648
c) 624
d) 672

Asked In Elitmus Shubham kumar (8 years ago)

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