Aptitude - Clock - Discussion
Discussion Forum : Clock - General Questions (Q.No. 4)
4.
A watch which gains 5 seconds in 3 minutes was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 o'clock, the true time is:
Answer: Option
Explanation:
| Time from 7 a.m. to 4.15 p.m. = 9 hrs 15 min. = | 37 | hrs. |
| 4 |
3 min. 5 sec. of this clock = 3 min. of the correct clock.
 |
37 | hrs of this clock = | 1 | hrs of the correct clock. |
| 720 | 20 |
| |
37 | hrs of this clock = |  |
1 | x | 720 | x | 37 |  |
hrs of the correct clock. |
| 4 | 20 | 37 | 4 |
= 9 hrs of the correct clock.
The correct time is 9 hrs after 7 a.m. i.e., 4 p.m.
Discussion:
154 comments Page 14 of 16.
Khushpreet kaur said:
1 year ago
Thank you everyone for explaining the answer.
(5)
Anaj Hussain said:
1 decade ago
How we got 37/720 ? please tell me any one.
Jaya said:
1 decade ago
Thanks sundar. Done in a simple manner.
Sushma said:
9 years ago
Nice explanation, Thank you @Sundar.
Aishwarya said:
9 years ago
How is it 37/4 in the first step?
Sarthak said:
9 years ago
185 seconds to 9hr 15 minute how?
Sunny singh said:
7 years ago
I think Option A will be correct.
Ankita said:
1 decade ago
How 37/4 becomes not understood?
Akhil Sunder said:
1 decade ago
How 37/720 is changed to 720/37?
Gowthami said:
1 decade ago
Thanks ya. This is very simple.
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