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the numbrt of 5 letter words that can be formed by using the letters of the word SARANAM is

M J Tv 27th Jun, 2021

Answer (1)

Niranjana 27th Jun, 2021

Hello,

Using the concept of permutation and combination

Let us take different cases

There are 5 different letters in SARANAM

S-1
A-3
R-1
N-1
M-1

If all letters are different

5! for all are different

2 are alike and 3 different

5!÷2!*(4C3)

3 alike and other 2 different

5!÷3!(4C2)

Altogether 480 words of 5 letter are possible

Hope it is clear

Thank you

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