Question

A man's speed with the current is 20 kmph and speed of the current is 3 kmph. The man's speed against the current will be

Answer 1

speed with current is 20
speed of man+speed of current
speed in still water=20-3
=17

now speed against the current will be=
speed of man-speed of current
=17-3
=14kmph



hope it will help
be good Budd...

Answer 2

Vm + Vc = 20 ( Vc = 3)
Vm = 17
and A/c to Q
Vm - Vc = 17-3 = 14