4024/12 May/Jun 2026, Question 2: Time calculations
Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 2 marks
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The question, in short
Buses run from the city centre to the airport. Find an arrival time and a departure time using journey lengths given in hours and minutes (24-hour clock).
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Part (a) · 1 mark
A bus leaves at 10 05 and the trip takes 1 hour 25 minutes. When does it arrive?
- 110 05 + 1 hour = 11 05
- 211 05 + 25 minutes = 11 30
Answer11 30
Part (b) · 1 mark
A bus arrives at 16 20 after a 1 hour 35 minute trip. When did it leave?
- 116 20 − 1 hour = 15 20
- 215 20 − 35 minutes = 14 45
Answer14 45 or 2.45 pm
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