A car travels from a place X to place Y at an average speed of v km/hr from y to X at an average speed of 2v km/hr, again from X to y at an average speed of 3v km/hr and again from y to x at an average speed of 4v km/hr. Then the average speed of the car for the entire journey
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Answer:
average speed of the car for the entire journey is 2.5v km/hr
Step-by-step explanation:
(v+2v+3v+4v)÷4 = 2.5v km/hr
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