A boat travel with a speed of 10 km / hr in still water. If the speed of the stream is 3 km / hr then find time taken by boat to travel 52 km downstream .

A 2 hrs
B 4hrs
C 4 hrs
D 9 hrs

Correct Answer: 4hrs

Speed downstream = (10 + 3) km/hr = 13 km/hr Time taken to travel 52 km downstream = 52/13 hours = 4 hours
Bissoy MCQ
#গণিত #নৌকা ও স্রোত (Boat and stream) #Combined Bank (সমন্বিত ব্যাংক) #Officer (General) -Ansar VDP Unnayan | BD House Building Finance Corporation 28.09.2018

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