Question

a man's speed with the current is 15km/hr and the speed of the current is 2.5 km/hr the man's speed against the current is

Answer 1

Answer: 10 km/hr

Step-by-step explanation:

Speed of man without current = x (say)

Speed of current = 2.5

Speed of man with current ⇒ 2.5+x = 15

⇒ x = 12.5

Speed of man against current  ⇒ x-2.5 =12.5-2.5=10km/hr

Therefore Speed of man against current = 10km/hr