Permutations and Combinations - Data Intensity 1 :: Discussion


29.A selection is to be made for one post of principal and two posts of vice-principal amongst the six candidates called for the interview only two are eligible for the post of principal while they all are eligible for the post of vice-principal. The number of possible combinations of selectees is___________?
A.4
B.12
C.18
D.None of these
Answer:  Option  D
Explanation:

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Published by:Michael Daani

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