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A clock becomes 20 minutes fast every day. If it is made correct at 12 O' clock at noon, then what time will it show at 6 O' clock in the morning?

Solution

✅ Correct Option: 2

From 12 noon to 6 a.m. the next morning is 18 hours.

Gain =20×1824=15=20\times\frac{18}{24}=15 minutes.

The clock therefore shows 6:15.

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