Basics of permutation

Probability Level 2

How many different words with or without meaning can be formed from the name above? All the alphabets in the name above should be used.


The answer is 60.

Ashish Menon by Ashish Menon , 20, India

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2 solutions

Ashish Menon
May 7, 2016

The number of possible words that can be formed are 5 ! 2 ! = 60 \dfrac{5!}{2!} = \boxed{60} . We divide by 2! because two A's are present in "ABHAY", and there are 5! ways of arranging 5 elements.

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Got it!, :), wait I will post some questions on combinatorics. ;)

Abhay Tiwari - 5 years, 1 month ago

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Looking forward for them.

Ashish Menon - 5 years, 1 month ago
Mahim Sharma
May 7, 2016

it is permutations of 5 letters in which 2 two are same so ans = 5!/2! = 60

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