1.

If the ratio between the speed of boat and speed of stream is 5 : 1. While travelling 300 km upstream takes 1 hours more than downstream then find the speed of the boat in still water? 1. 50 kmph2. 80 kmph3. 75 kmph4. 125 kmph5. 130 kmph

Answer» Correct Answer - Option 4 : 125 kmph

GIVEN:

 Speed of boat in still water : Speed of current = 5x : 1x

Distance to be travelled = 300 km.

FORMULA USED:

Speed = Distance covered/Time taken

CALCULATION:

300/6x = T

300/4x = T + 1

Solving,

x = 25

Speed of boat in still water = 5x = 125 kmph



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