CSATPermutation, Combination & ProbabilityArrangement and Permutation2016

In a question paper there are five questions to be attempted and answer to each question has two choices – True (T) or False (F). It is given that no two candidates have given the answers to the five questions in an identical sequence. For this to happen, the maximum number of candidates is:

A

10

B

18

C

26

D

32

Correct Answer: Option D

Explanation

The question asks for the maximum number of candidates, with the condition that

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