SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Ram travels at a speed of 20 km/hr while going to school. While coming back, he travels at a speed of 30 km/hr(due to less traffic). What his it’s average speed?
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25km/hr
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26km/hr
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20km/hr
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24km/hr
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Cant be determined
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Explanation:
Detailed explanation-1: -Therefore the average speed is 120.5 km/hr.
Detailed explanation-2: -Thus, average speed is 100 km/h.
Detailed explanation-3: -and then returns at a speed of 30 Km/hr. His average speed of whole journey is. 25 Km/hr.
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