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The CEM 11+ exam loves to test maths in real-life contexts. Questions about time, money, timetables, and everyday calculations are common. These problems test whether you can apply your mathematical skills to practical situations — exactly the kind of thinking CEM values.
| Unit | Equivalent |
|---|---|
| 1 minute | 60 seconds |
| 1 hour | 60 minutes |
| 1 day | 24 hours |
| 1 week | 7 days |
| 1 year | 365 days (366 in a leap year) |
| 12-hour | 24-hour |
|---|---|
| 1:00 am | 01:00 |
| 7:30 am | 07:30 |
| 12:00 noon | 12:00 |
| 1:00 pm | 13:00 |
| 6:45 pm | 18:45 |
| 11:59 pm | 23:59 |
Rule: For pm times, add 12 to the hour. For 24-hour times after 12:00, subtract 12 to get the pm time.
A bus leaves at 08:47 and arrives at 10:23. How long is the journey?
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