Question

A clock loses 5 min for every hour and another gains 5 min for every hour. If they are set correct at 10 am on Monday then when will they be 12 hrs apart ? ( A ) 10am on friday ( B ) 10am on saturday ( C ) 10am on sunday ( D ) 10 am on thursday

Answer 1

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Option (A) 10 am on Friday

Answer 2

Answer:

The final time is 10 am on Sunday.

Option C is the correct answer.

Step-by-step explanation:

The clock loses 5 mins for every hour.

Let the hour passed be x.

Time shown in the clock 10 am on Monday.

Now we want to find how many mins the clock loss in 12 hrs.

There are numbers of hour is 12.

So quantity of lose time = $(12 \times 5 )\: mins = 60 \: mins$

So,after 12 hrs time will be 11 pm on sunday.

Again the another clock gains 5 mins per hours.

So,quantity of gain time= $(12 \times 5) = 60 \: \: min$

So apart 12 hour time is 10 am on Sunday.