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Suppose you have a 12-hour digital clock where the number representing the hour is always the same as the number representing the minute. That is, the clock can only show times like 8:08, 9:09, 10:10, etc. What is the smallest time difference between two such times?
This question appeared in the PPSC Prelims 2021 examination (GS-II). It is Question 4 out of 80 questions in this paper.
This question was part of the PPSC Prelims 2021 (GS-II). The PPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all PPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.