Aptitude - Clock - Discussion

Discussion Forum : Clock - General Questions (Q.No. 9)
9.
At what angle the hands of a clock are inclined at 15 minutes past 5?
58 1 °
2
64°
67 1 °
2
72 1 °
2
Answer: Option
Explanation:

Angle traced by hour hand in 21 hrs = 360 x 21 ° = 157 1 °
4 12 4 2

Angle traced by min. hand in 15 min. = 360 x 15 ° = 90°.
60

Required angle = 157 1 ° - 90° = 67 1 °
2 2

Discussion:
41 comments Page 4 of 5.

Chaitali kharbade said:   1 decade ago
Please tell me how we are getting 21/4.

Rezowan said:   1 decade ago
Please explain how this formula came?

Eshaal said:   10 years ago
Find the angle of the hands at 12:40?

Shraddha said:   3 years ago
Use the formula: 30*(H)-11/2*(M).
(3)

Ajay said:   1 decade ago
What is past 5? which means what?

Neha said:   9 years ago
30 * 150 - 11/2 * 15 = 67.5.

Sagar naikar said:   1 decade ago
5+15/60 = 21/4 is correct.

Laxmi Hosamani said:   4 years ago
30 * 5 - 11/2 = 67.5.
(2)

Hare ram said:   1 decade ago
(11/2)*15-30*5=67.5

Sri said:   7 years ago
How came 21/4?
(2)


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