Pre-Secondary One Hong Kong Attainment Test · Mathematics

Time calculation (24-hour clock, time difference, calendar): Practice Questions

4 multiple-choice questions marked as you go, and 2 written questions with worked solutions. All on Time calculation (24-hour clock, time difference, calendar).

6 questions12 marksFree, no account

Question 1

1 mark

A train departs at 21:55 on Friday and arrives at its destination at 06:15 on Saturday. How long was the journey?

Question 2

1 mark

A runner runs at a speed of \(5\text{ m/s}\). He starts at 07:55:40 and runs for \(1.2\text{ km}\). At what time does he finish? (Express in HH:MM:SS)

Question 3

1 mark

An airplane departed from the airport at 22:35 and arrived at its destination at 03:15 the next day. How long was the flight duration?

Question 4

1 mark

A flight departs from Hong Kong at 22:45 on Monday and arrives in London at 05:15 on Tuesday (local time). If the time in Hong Kong is 8 hours ahead of London, how long is the actual flight duration?

Question 5

2 marks

A movie started at 14:35 and lasted for 145 minutes. At what time in the 24-hour clock did the movie end?

Write your answer out first, then check it against the worked solution.

Question 6

6 marks

A car travels from City A to City B at an average speed of \(80\text{ km/h}\). The journey takes \(3\) hours and \(45\) minutes. On the return trip, the car travels at an average speed of \(60\text{ km/h}\). How much longer, in minutes, does the return trip take compared to the initial journey?

Write your answer out first, then check it against the worked solution.

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