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

Mambo took 30 minutes to cycle from home to the market at an average speed of 5 metres per second. After staying at the market for 20 minutes, he cycled back and took 25 minutes to reach home. What was the average speed in metres per second for the whole journey?
A. #5 frac{5}{11}#m/s
B. 4m/s
C. 2m/s
D. 6m/s

 (5m 21s)
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