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4024/11 May/Jun 2021, Question 15: Speed, Distance and Time

Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 4 marks

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The question, in short

Two villages Foxby and Glanton are linked by a footpath and a road. Use the given times, distance and bearing to work out a departure time, a bus speed and a reverse bearing.

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

Part (a) · 1 mark

Abdul walks the footpath for 2 hours 14 minutes and reaches Glanton at 15 10. Find the time he left Foxby.

  1. 115 10 − 2 h 14 min = 12 56

Answer12 56

Part (b) · 2 marks

The road distance is 15 km and the bus journey lasts 12 minutes. Find the bus average speed in kilometres per hour.

  1. 112 minutes = 12/60 = 0.2 hours
  2. 2Speed = 15 ÷ 0.2 = 75 km/h

Answer75

Part (c) · 1 mark

Glanton's bearing from Foxby is 128°. Find the bearing of Foxby from Glanton.

  1. 1Back bearing = 128 + 180 = 308°

Answer308

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Also searched as: 4024/11/M/J/21 · 4024_s21_qp_11 · 4024 s21 11 · question 15.
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