a man ' s speed with the current is 20 kmph and speed of the current is 1 kmph . the man ' s speed against the current will be
explanation : speed with current is 20 , speed of the man + it is speed of the current speed in s ɵ ll water = 20 - 1 = 19 now speed against the current will be speed of the man - speed of the current = 19 - 1 = 18 kmph answer : c
subtract(subtract(20, 1), 1)