RRB NTPC · Question 32
Read the passage given below and answer the questions that follow. In a club of 30 people, all of them belong to at least one group- chess, Drama and Art. 6 people belong only to the Art group. 5 People belong to all the three groups. 2 people have joined the Chess and the Art group but not the Drama group 15 people belong to the Art group. 2 people have joined only the Chess group. 3 people have joined only the Drama group. How many people belong to exactly one group? A. 11 B. 10 C. 14 D. 12
Show answer & explanation
Answer: (B) A
Explanation
Exactly one group: only Chess 2 + only Drama 3 + only Art 6 = 11.