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In a row of boys, if A who is 10th from the left and B who is 9th from the right, interchange their positions, A becomes 15th from the left. How many boys are there in the row?
This question appeared in the UPPSC Prelims 2020 examination (CSAT). It is Question 92 out of 221 questions in this paper.
This question was part of the UPPSC Prelims 2020 (CSAT). The UPPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all UPPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.