Question

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is :

A. 9.5 km/hr

B. 10 km/hr

C. 10.5 km/hr

D. 11 km/hr ​

Answer 1

Step-by-step explanation:

let the speed of man is = x km/h

speed of current = 2.5 km/h

when the speed of man with current =15km/h

then without current 15-2.5 =12.5km/h

now the speed of man against the current is = 12.5 - 2.5 =10km/h.

option b. 10 km/ hr.

Answer 2

Answer:

10km/hr

Step-by-step explanation:

let the speed of man is = x km/h speed of current = 2.5 km/h when the speed of man with current =15km/h then without current 15-2.5 =12.5km/h now the speed of man against the current is = 12.5 - 2.5 =10km/h

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