Question 70

A clock is set right at 8AM on 1.1.2018. The clock gains 15min in 24hours. The time on the clock when the actual time is 10 AM on 4.1.2018, is (nearly)

Solution

It gain 15 minutes in 24 hour or 1440 minutes.

or,in 60 minutes it gain 0.625 minutes.

so,From 8AM of 1.1.2018 to 8AM 4.1.2018, the 3 days have been covered .

So,$$(15×3)=45minutes$$ shall count.

Now from 8AM to 10AM ,it is 2 hour.

So,the clock will gain $$(0.625×2)=1.25$$ minutes.

So,it will show 10:46 AM in the clock.

C is correct choice.

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