#GetPSLEReady - Practice Questions on Speed/Time
1. Mr Lee left town M and travelled towards town P at an average speed of
80km/h. An hour later, Mr Ong left town M and travelled towards town P at an
average speed of 100km/h. Mr Ong passed town Q which was halfway
between town M and town P 30 minutes earlier than Mr Lee. If Mr Ong
reached town P at 10pm, at what time did Mr Lee leave town M for town P?
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2. At 10.15 am, Alice left town X for town Y, driving at a speed of 80km/h
throughout her journey. At 11.15 am, Bobby also left town X for town Y,
driving at a certain speed. He kept the same speed throughout his journey. At
1.15pm, both passed a petrol station that was 100km away from town Y.
a. What was Bobby’s driving speed?
b. How many minutes earlier did Bobby reach town Y than Alice?
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3. A truck and a car were travelling from Singapore to Penang, which was about
660km apart. The car set off 4 hours earlier than the truck but arrive 1 hour
earlier. If the average speed of the truck was 60km/h, find the average speed
of the car.
1
4. Sally cycled from Town A to Town B. He covered 5 of the journey in the first
1
hour and 3 of the journey in the second hour. He took 2 hours to cycle the
remaining 14km. Find his average speed for the whole journey.
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