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?
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?
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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.
| Hr | Min |
| 15 – 11 | 30 00 |
| 4 | 30 |
Abdul worked for a total of 4 hours and thirty minutes, or four and a half hours.
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