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Question

The clock of municipal tower gained uniformly. On Monday morning at 6 a.m. the clock was set 10 minutes slow. On Thursday morning at 6 a.m. it is observed that the clock is fast by 10 minutes.

When did the clock show the correct time during this time period?

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Solution

The correct option is **A** Tuesday 6.00 p.m.

In 72 hours, the clock went from 10 minutes slow to 10 minutes ahead.

So, the clock would show exact time 36 hours after 6 a.m. Monday morning.

Tuesday 6 p.m.

In 72 hours, the clock went from 10 minutes slow to 10 minutes ahead.

So, the clock would show exact time 36 hours after 6 a.m. Monday morning.

Tuesday 6 p.m.

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