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Q: The respective ratio between the speed of a bike, a van  and lorry is 3 : 5 : 2. The speed of the van is 250 percent of the speed of the lorry which covers 360 km in 12 hours. What is the average speed of the bike and the van together?

A. 60 kmph
B. 62 kmph
C. 64 kmph
D. 63 kmph
Answer» B. 62 kmph


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