Permutations

Probability Level 2

IF There Are 6 Students ...One photographer has to take Photos OF 2 students Each . How many ways Are There ?

12 30 8 24

Abhay Vibhute by Abhay Vibhute , 21, India

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2 solutions

Clinton U.O.
Apr 10, 2021

There are 6 students and two possible ways of taking each photo, therefore we take the permutation of 6 objects and 2 selections i.e 6!/(6-2)! = 6!/4! = 6×5=30

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Abhay Vibhute
Dec 3, 2015

there are 6 students .....and only two students are able to take photo together ...so 6 x 5 = 30 ways

0 Helpful 0 Interesting 0 Brilliant 0 Confused

There are 6 students and we have to arrange them in groups of 2 so The ans is 6P2=30

Tahsin Wahid - 3 years, 5 months ago

The answer is actually 30/2..

Aatmoshru Goswami - 2 years, 10 months ago

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