Question

a cyclist goes on a ghat road to its top at 10km/hr and returns to the starting point at 20km/hr.find the average speed

Answer 1

10 + 20 /2 =  15km/  hr

Answer 2

CONCLUSION MATE

speed when going =10km/h. =u
speed when coming =20km/h =v

Average Velocity = v+u/2
=10+20/2
=30/2
AVERAGE VELOCITY=15km/h

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