1.

IB exams A clock is started at noon. By 10 minutes past 5, the hour hand has turned through

Answer»

and turns 360° in 12 hours.In 1 HOUR it moves 30°.In 1 minute it moves  30° / 60 min = 1/2°So in 5 hours 10 MINUTES, 5 * 30° + 10 * 1/2°  = 155°



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