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A car travels ¾ th of the distance at a speed of 60 km/hr and the remaining ¼ th of the distance at a speed of v km/hr. If the average speed for the full journey is 50 km/hr, then the value of vis

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CAPF 2022 Paper-1

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100/3

Explanation:

100/3

let distance = 100km
Avg. speed = Total Dist /Total time
t1 = 75 /60 ( as 3/4th distance = 75km
t2= 25/v
So, 50 =100/((75/60)+(25/ 60))
5/4 + 25/v = 2
5V +100 = 8V
3V=100
V=100 /3 km/hr.

By: Parvesh Mehta

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