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31 children are standing in a circle and one of them (say child-1) has a ring. The ring is passed clockwise. Child-1 passes it on to child-2, child-2 passes it on to child-4, child-4 passes it on to child-7 and so on. After how many minimum such passes (including the first pass from child-1) will the ring come in the hands of child-1 again?
This question appeared in the HPSC Prelims 2025 examination (CSAT). It is Question 28 out of 200 questions in this paper.
This question was part of the HPSC Prelims 2025 (CSAT). The HPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all HPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.