Aptitude - Clock - Discussion
Discussion Forum : Clock - General Questions (Q.No. 14)
14.
At what time between 4 and 5 o'clock will the hands of a watch point in opposite directions?
Answer: Option
Explanation:
At 4 o'clock, the hands of the watch are 20 min. spaces apart.
To be in opposite directions, they must be 30 min. spaces apart.
Minute hand will have to gain 50 min. spaces.
55 min. spaces are gained in 60 min.
| 50 min. spaces are gained in |  |
60 | x 50 |  min. or 54 |
6 | min. |
| 55 | 11 |
| Required time = 54 |
6 | min. past 4. |
| 11 |
Discussion:
55 comments Page 4 of 6.
Suresh said:
1 decade ago
angle =11/2Min-30*Hours
so,180=11/2Min-30*4
180+120=11/2Min
min=300*2/11
Min=600/11
so,180=11/2Min-30*4
180+120=11/2Min
min=300*2/11
Min=600/11
Sainath said:
8 years ago
Use this formula:
(5n-30)*12/11 for n>6.
(5n+30)*12/11 for n<6.
(5n-30)*12/11 for n>6.
(5n+30)*12/11 for n<6.
Avijit Samanta said:
7 years ago
Use this formula:
(5n+30)*12/11 if n<6.
(5n-30)*12/11 if n>6.
(5n+30)*12/11 if n<6.
(5n-30)*12/11 if n>6.
Xyz said:
1 decade ago
Can somebody tell me why it will gain only 55 min spaces in 60 min?
RAJ ARYAN said:
2 years ago
When to use (11/2) *m -30H & 30H - (11/2) *m?
Kindly explain.
Kindly explain.
(8)
Parul saxena said:
10 years ago
Why 30-20=10 is not considered as it is done in question number 6?
Jayesh said:
10 years ago
Hi all,
Can someone explain me how is come space 30 and 55 min?
Can someone explain me how is come space 30 and 55 min?
Owen Wilson said:
8 years ago
What does it mean when it says "55 min. spaces are gained"?
Akhila said:
10 years ago
Please explain anyone how the answer is 54/12 from (60/55*50).
Suman said:
8 years ago
As per my calculation, the correct answer will be 55.38 min.
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