jai drove at 50 km/h for 3 hrs and at 60 km/h for next 2 hours what was his average speed for the whole journey
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Let the speed at 50 km/ hr be v1 and speed at 60km/hr be v2 and time for v1 = t1 = 3hrs and time for v2 = t2 = 2 hrs. Then average speed = v1 + v2 / t1 + t2 = 50 + 60/2 + 3 = 110/5 = 22 km/hr
gurmeetkaur7870:
answer is 54km/h
Is your question is correct
yeah got it. That was my mistake
wait i m editing my answer
yes i have solved it
ok
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