Aptitude - Clock - Discussion

Discussion Forum : Clock - General Questions (Q.No. 12)
12.
The angle between the minute hand and the hour hand of a clock when the time is 8.30, is:
80°
75°
60°
105°
Answer: Option
Explanation:

Angle traced by hour hand in 17 hrs = 360 x 17 ° = 255°.
2 12 2

Angle traced by min. hand in 30 min. = 360 x 30 ° = 180°.
60

Required angle = (255 - 180)° = 75°.

Discussion:
42 comments Page 5 of 5.

Prasad said:   1 decade ago
17/2 = 8.5 but 8hr 30min, so how it's came 17/2 ?

Why we use this? can any one tell me please?

Deep said:   1 decade ago
How 17/2 came please anyone answer?


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