Aptitude - Clock - Discussion
Discussion Forum : Clock - General Questions (Q.No. 19)
19.
A watch which gains uniformly is 2 minutes low at noon on Monday and is 4 min. 48 sec fast at 2 p.m. on the following Monday. When was it correct?
Answer: Option
Explanation:
Time from 12 p.m. on Monday to 2 p.m. on the following Monday = 7 days 2 hours = 170 hours.
 The watch gains |
 |
2 + 4 | 4 |  min. |
or | 34 | min. in 170 hrs. |
| 5 | 5 |
| Now, | 34 | min. are gained in 170 hrs. |
| 5 |
| 2 min. are gained in |
|
170 x | 5 | x 2 | hrs |
= 50 hrs. |
| 34 |
Watch is correct 2 days 2 hrs. after 12 p.m. on Monday i.e., it will be correct at 2 p.m. on Wednesday.
Discussion:
56 comments Page 4 of 6.
Pushpa said:
2 months ago
I am not understand the answer. Please anyone help me to get this.
Akshay said:
1 decade ago
a clock is set right at 8.a.m.the clock gaing 10 min in 24 hours.
Darshit said:
9 years ago
Did'nt get it, please explain it once more and elaborate it.
Amsa said:
1 decade ago
Please anyone explain what is the meaning for this question?
Abhishek said:
8 years ago
Sir, why the clock show right time on gaining of 2 minutes?
Vinesh said:
2 decades ago
2min low at monday means we should subtract, not add....
Jimeet said:
1 decade ago
pls explain again the whole ans i didnt get it.....
Kanika said:
2 decades ago
pls explain again the whole ans i didnt get it
Deepak said:
1 decade ago
2 min+4 min 48 sec = 34/5.
2+4(48/60) = 34/5.
2+4(48/60) = 34/5.
Sreeja said:
1 decade ago
Please explain how is "1hr in 85/204 sec" ?
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