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 12 of 16.
Swetha said:
1 decade ago
Can anybody tell me how did we get '1/20 hrs of the correct clock' ?
Khanam said:
9 years ago
Please explain me in clear and easy form I didn't understand this.
Praveensiva said:
1 decade ago
How 55 minute spaces are gained by the minute hand in 60 minutes?
Adharsh said:
7 years ago
Hi, I am not getting this. Please, anyone explain me to get this.
Sachin said:
1 decade ago
A clock is showing 14:19, what will time after 14399999991 min.
Shivanand sattikar said:
9 years ago
@Praveen.
You gave an easy and best explanation, thanks man.
You gave an easy and best explanation, thanks man.
Three said:
1 decade ago
Why do you get 3 mins in every 3mins 5 secs of the time? :(.
Anusha said:
1 decade ago
Still I'm confused how the 37/720 hrs is equal to 1/20 hrs.
Kamlesh said:
8 years ago
@Sundar.
Your explanation is in a very simple way. Thanks.
Your explanation is in a very simple way. Thanks.
Mayuri madavi said:
7 years ago
Find the ratio 15 sec, 1 min. Please explain this question.
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