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In a book readers club of 26 readers, everyone reads at least one of the three types of books namely Biographies (B), History (H), and Science Fiction (S). If it is known that 19 read exactly one of B, H, S ; and 7 read exactly any two of B, H, S ; and only three read both B and H but not S. Using this information answer the questions from 62 to 64. How many read all the three types of books ?
Correct Answer: (a)
Official keyThis question appeared in the NPSC Prelims 2019 examination (GS). It is Question 62 out of 200 questions in this paper.
This question was part of the NPSC Prelims 2019 (GS). The NPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all NPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.