how many different ways are there of forming a bouquet from 18 different flowers so that it should contain not less than 3 flowers.
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aashima8:
plz tell me how to fi d the rank of a word if there is a repetetion of alphabets
trying
use divide by 2 factorial
in arrangement
ok
ask this question i will click the pic and send it
rank is 40
I have asked the question
plz send the pic.
i have send it
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