The hrs hand rotates by x degrees by 600 seconds past 5. Find the value of x, if the clock is started at the start of day i.e. at time 00:00.
(A)
240
(B)
175
(C)
155
(D)
180
Answer: (C)
Explanation:
Angle traced by hrs hand in 12 hrs = 360 degrees Angle traced by hour hand in 5 hrs 10 min. (5 10/60 hrs = 31/6 hrs) = (360/12)*(31/6) = 155 degrees
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