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? |

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?