Rajesh travelled some distance by cycle at a speed of 15 km per hour. On return journey, he travelled the same distance at a speed of 10 km per hour. What was his average speed per hour during the entire journey?
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Answer:
His average speed per hour during the entire journey is 12.5 km/hr
Step-by-step explanation:
Given : Speed₁ = 15 km/hr
Speed₂ = 10 km/hr
Average speed = ?
Solution : Average speed = (Speed₁ + Speed₂)/2
= (15 + 10)/2
= 25/2
= 12.5 km/hr
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