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 Class 8 Mathematics revision: Speed, time and distance questions and answers

A car travelling from town A to town b at an average speed of 80km/h took 54 minutes. Another car took 40 minutes to travel the same distance. What was the difference in their speeds in km/h?
A. 8
B. 28
C. 36
D. 108

 (4m 43s)
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