QUESTION

CSAT

Medium

Reasoning

Prelims 2016

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 answer to the five questions in an identical sequence. For this to happen the maximum number of candidates is $2^5$ .

Select an option to attempt

Explanation

Each question has 2 choices (T or F), and there are 5 questions.

The total number of unique answer sequences is: Total unique answer sequences = $2^5$ Calculating: $2^5 = 32$ Thus, the maximum number of candidates who can answer the questions uniquely is 32.