1. Convert the following times into 24 -hour clock time:
(a) 4.00 pm
(b) 8.15 am
(c) 10.35 am
(d) 2.53 pm
(e) 11.59 am
2. Convert the following 24-hour clock times into am and pm time:
(a) 1700
(b) 0235
(c) 1652
(d) 0047
(e) 1100
| 3. A triathlon starts at 8.30 am The winner completes the swimming section in 47 minutes. The cycling leg takes 1 hour and thirteen minutes and the running leg takes 39 minutes. The two changeovers between each leg take 4 minutes each. How long does the winner take to complete the event and at what time does he finish? |
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4. (a) How many days between midday on 12 April and midday 29 September of the same year?
(b) How many minutes in 5 days and 16 hours?
(c) How many minutes between 0439 and 1421 on the same day
(d) In a leap year how many seconds are there in February?
