Clock Cheat Sheet
About This Cheat Sheet
Complete guide to Clock problems for competitive exams: basic structure of clock (hour hand, minute hand, second hand), speed of minute hand (360° in 60 minutes = 6° per minute), speed of hour hand (360° in 12 hours = 0.5° per minute), relative speed between hour and minute hand (5.5° per minute), angle between hands formula (|30H – 5.5M| or |30H – 11M/2|), time when hands coincide (meet), time when hands are opposite (180° apart), time when hands are at right angle (90° apart), finding time when hands are at specific angle, reflection of clock in mirror (subtract given time from 11:60 or 23:60), problems on gaining/losing time (slow/fast clocks), problems on faulty clocks, problems on angle between hands at given time, problems on time between specified hours, and shortcut tricks for SSC, Banking, Railway, UPSC, and other government exams.
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