Question 59

In an examination paper there are two groups, each containing 4 questions. A candidate is required to attempt 5 questions but not more than 3 questions from any group. In how many ways can 5 questions be selected?

Solution

5 questions can be selected in the following ways : (2 question from first group and 3 question from second group) or (3 question from first group and 2 question from second group)

=> Number of ways = $$(C_2^4\times C_3^4)$$ $$+(C_3^4\times C_2^4)$$

= $$24+24=48$$

=> Ans - (B)


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