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total time elapsed 2hrs & 24 mins
11/2* min - 30 * hr
11/2 * 24-30*2 ; 132-60
72 ( angle b/w)

OPTION d


Bunuel

Between 10:06 am. and 12:30 p.m. of the same day, the hour hand of a properly operating clock, indicated by the figure above, will turn through how many degrees?

(A) 42
(B) 60
(C) 66
(D) 72
(E) 75


Attachment:
Clock_Problem.JPG

Between 10:06 and 12:30, the HOUR hand of the clock turns by how many degrees?
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Rules to Remember for Clocks -

Rule 1: Minute Hand moves 360 degrees around the clock once ----- every 60 minutes

Minute Hand moves 6 degrees ---- every 1 minute


Rule 2: the Hour Ticks mark off 12 Arcs

Hour Hand moves 360 degrees/12 ----- every 60 minutes

Hour Hand moves 30 degrees ---- every 60 minutes

Hour Hand moves 1/2 degree ----- every 1 minute that passes

we have 144 minutes that pass between the 2 Times.

144 * (1/2 degrees) = 72 degrees that the Hour Hand will move
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