how many selections can be made by choosing 6 letters at a time from the word-PROPORTION

Asked by  | 3rd Jul, 2009, 06:58: PM

Expert Answer:

There are 10 letters in the word proportion.

Here, we have letter P, R occuring twice and letter O ocurring thrice.

So, out of sic letters we have to select to select 6.

Number of possible selections = 6C6

Answered by  | 6th Jul, 2009, 09:01: AM

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