1.

If Abdul started working on the computer at 11 in the morning and finished his work at 3:30 in the afternoon, how long did he work?

Answer»

Method 1 :

From 11 in the morning to 12 noon, it is 1 hour.

From 12 noon to 3:30 in the afternoon, it is 3 hours and 30 minutes. Therefore, the total time is 4 hours and 30 minutes.

Method 2 :

According to the 24 hour clock, 11’o’clock in the morning is 11:00 and 3:30 in the afternoon is 15:30.

HrMin
15 – 1130 00
430

Abdul worked for a total of 4 hours and thirty minutes, or four and a half hours.



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