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
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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