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Grade 12th passAlgebra

How many permutation and combination can arrange from the word PARABOLA , if 3 letters taken

Profile image of Dhiren Narzary
10 Years agoGrade 12th pass
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1 Answer

Profile image of Vijay Mukati
10 Years ago
Hint: Here we are given in total 2P, 3A, B, O, L
Now to form a 3 letter word, take the different cases as (1) all differnt (2) 2 same and 1 different, in this case we again we have two possibilty that these 2 same either can be from P or A accordingly find the no. of words and last case is (3) all different. Count all the no. of total possibility and get your answer.

Thanks, Vijay