1.

A Boat Goes 24 Km Downstream In 10 Hours, It Takes 2 Hours More To Cover The Same Distance Against The Stream. What Is The Speed Of The Boat In Still Water?

Answer»

Speed DOWNSTREAM = 24/10 km/hr = 2.4 km/hr 

Speed upstream = 24/12 km/hr = 2 km/hr 

Speed of the BOAT in still WATER = ½ (2.4 +2)km/hr = 2.2 km/hr.

Speed downstream = 24/10 km/hr = 2.4 km/hr 

Speed upstream = 24/12 km/hr = 2 km/hr 

Speed of the boat in still water = ½ (2.4 +2)km/hr = 2.2 km/hr.



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