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OJASWI KOTHARI

· started a discussion

· 1 Months ago

GIVE THE SOLUTION

Question:

A wall clock which gains uniformly is 2 min slows at noon on Sunday and is 4 min 48 s fast at 2 pm on the following Sunday. When did it show the correct time?

Options:
A)

2 pm on Monday

B)

2 pm on Tuesday

C)

3 pm on Wednesday

D)

1 pm on Thursday

Solution:

Ans: (b)


satish narayan chaudhary

· commented

· 1 Months ago

find total time difference i.e- 2min+ 4min 48 sec=408 seconds . now divide by 168 hours(time between 12 pm sunday to 2 pm next sunday). you get 2.4 seconds. now divide 2min(120 seconds) which was lagging by 2.4. you get 50 hours. add this 50 hours to 12pm sunday. you get tuesday 2pm.

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