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Examveda

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?

A. 24

B. 48

C. 96

D. 64

Answer: Option B

Solution(By Examveda Team)

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.
= (4C2 × 4C3) + (3C4 × 4C2)
= 24 + 24
= 48

This Question Belongs to Arithmetic Ability >> Permutation And Combination

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Comments ( 1 )

  1. Rashadul Kabir
    Rashadul Kabir :
    5 years ago

    (4C2 × 4C3) + (4C3 × 4C2)

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