A watch which gains time uniformly is 20 minutes slow at 9 am on wednesday and it is 10 min fast at 3.Pm on saturday in the same week when will it slow the correct time
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Friday 1 PM it show the correct time
Step-by-step explanation:
A watch which gains time uniformly is 20 minutes slow at 9 am on wednesday and it is 10 min fast at 3.Pm on Saturday in the same week when will it show the correct time
20 Min Slow at 9 AM on Wednesday
10 Min Fast at 3 PM on Staurday
Total Time gained by watch = 20 + 10 = 30 min
Total Time Elasped = 78 hrs
Time to gain is 20 mins to show correct time
=> (78/30)*20
= 52 Hrs after 9 AM on Wednesday
48 + 4 = 52
=> Friday 1 PM it show the correct time
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