A person travelled with a speed of 50 KMPH for 1 hour and with 20 KMPH for next 2 Hours. Find the average speed for whole journey? - Study24x7
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RRB 2020-21 (Railway Jobs)
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A person travelled with a speed of 50 KMPH for 1 hour and with 20 KMPH for next 2 Hours. Find the average speed for whole journey?

A

25 KMPH

B

30 KMPH

C

35 KMPH

D

40 KMPH

Railways
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