# If the sum of upstream and downstream speed is 24 km/hr and the speed of the current is 2 km/hr . Then find the time taken to cover 35 km in downward

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If the sum of upstream and downstream speed is 24 km/hr and the speed of the current is 2 km/hr . Then find the time taken to cover 35 km in downward ?
A. 2 hr
B. 2.5 hr
C. 3 hr
D. 3.5 hr

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Let the speed of the boat in still water be x km/hr
ATQ
x + 2 + x - 2 = 24
x = 12
Required time (35)/(14) = 2.5 hr .