a watch which looses uniformly was observed to be 12 min
fat at 4am.on 6th of a month.it showed 20 min less than
thae correct time at 6pm on the 10th of the same month.when
did the watch show correct time
Answers were Sorted based on User's Feedback
Answer / karthik
its 9:15 pm on 7th of the month
Please don't mess peoples lives.
Use Ur common sense to answer the questions.
Is This Answer Correct ? | 19 Yes | 5 No |
Answer / rejish r
Correct time at 7:44 AM on the 6th of the month
Explanation:
Day 6
4:00 AM - 12 min slow
Day 10
6:00 PM - 20 mins fast
change in time = 12+20 = 32 min
4:00 AM, day 6 to 4:00AM, day 10 = 24*4=96hrs
day 10 : 4AM to 6PM = 14 hrs
Total hrs from day 6 to 10 = 96+14=110hrs
Now, we see a change of 32 mins in 110 hrs
rate of change: 110/32= 3 hr 44 mins
therefore:
4:00 AM + 3 hr 44 min = 7:44 AM
:)
Is This Answer Correct ? | 6 Yes | 8 No |
Answer / ramesh ps
1. Watch was observed +12 minutes at 4 am on 6th of the
month
2. Watch was observed -20 minutes at 6 pm on 10th of the
month
The watch ad lost 32 minutes in n number of hours
Number of hours between these intervals = 20+24+24+24+18=110
Since watch is slowed down by 32 minutes (from +12 to -20)
in 110 hours
Number of hours took to slowed down one minute = 110/32
Number of hours took to slowdown 12 minutes at which the
watch was showing correct time is = (110/32)*12 = 41.25
If I add 41.25 to 4 Am of 6th Of the month then it will
become 11:25 PM on 7th of the month.
Is This Answer Correct ? | 3 Yes | 6 No |
Answer / alphy
ans: 8:10 pm on 7th of the month
12min fast at 4 am on 6th
20min slow (less)at 6pm on 10th
i.e-> 32 mins changed in 110 hrs ( from 6th to 10th )
we have to find d time passed where change is 12 min .. dat
nullifies the 12 min fast effect ...
32 -> 110 hrs
12 -> 40hrs and 10 mins
4:00 am + 40 hrs + 10 mins -> 8:10 pm on 7th of the month
Is This Answer Correct ? | 0 Yes | 5 No |
Answer / shiva
ANSwer is 9 AM 15 Mins
at 4 am it is 12 min fast.
at 6pm it is 20 min slow.
it means 12+20 min reduced in 6pm-4am hrs i.e 14 hrs
finally in 14 hrs it is decreased 32 mins.
14 hrs-- 32 hr
??? hrs- 12 hr it gives 14*12/32
it means
5.25 hrs+ 4am it is giving the right answer 9 am 15 mins
Is This Answer Correct ? | 5 Yes | 11 No |
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