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0580/32 May/Jun 2021, Question 3: Time Calculations

Cambridge IGCSE Mathematics 0580 · Paper 32 (Core) · Calculator · 10 marks

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The question, in short

Pierre's trip from Lyon to Singapore: convert a time, find journey duration, work out arrival day and time, average speed, currency conversion, and hotel extras.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (ai) · 1 mark

Express 1.30 pm using the 24-hour clock.

  1. 11.30 pm = 12 + 1 h 30 min = 13 30

Answer13 30

Part (aii) · 1 mark

Find the train journey time in hours and minutes from 9.05 am to 1.30 pm.

  1. 109 05 → 13 05 is 4 h, 13 05 → 13 30 is 25 min
  2. 2Journey = 4 h 25 min

Answer4 h 25 min

Part (b) · 3 marks

Find the day and local time the plane lands in Singapore, given a 13 h 45 min flight and 6-hour time difference.

  1. 1Paris time of arrival: 16 35 + 13 h 45 min = 06 20 on Friday
  2. 2Singapore is 6 hours ahead: 06 20 + 6 h = 12 20
  3. 3Friday, 12 20

AnswerFriday, 12 20

Part (c) · 2 marks

Calculate the plane's average speed for the 10 736 km Paris to Singapore distance.

  1. 1Flight time = 13 h 45 min = 13.75 h
  2. 2Speed = 10 736 ÷ 13.75 = 780.8 km/h

Answer780.8

Part (d) · 1 mark

Convert 400 Singapore dollars to euros using 1 Singapore dollar = 0.658 euros.

  1. 1400 × 0.658 = 263.20 euros

Answer263.20

Part (e) · 2 marks

Given 5 nights at $170 per night and a $975.40 total bill, find the spend on other hotel items.

  1. 1Room cost = 5 × 170 = $850
  2. 2Other items = 975.40 − 850 = $125.40

Answer125.40

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Also searched as: 0580/32/M/J/21 · 0580_s21_qp_32 · 0580 s21 32 · question 3.
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