A boat moving downstream 28 km in 4 hours and upstream 20 km in 5 hours. Find the ratio between the speed of the stream and speed of a boat in still water
A3 : 11
B11 : 13
C8 : 3
D8 : 11
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A man rows to a place 35 km in distant and back in 10 hours 30 minutes. He found that he could row 5 km with the stream in the same time as he can row 4 km against the stream. Find the rate of flow of the stream.:
A boat travels 60km upstream and comes back in 8 hours. What is the speed of the boat, if the speed of stream is 4 km/hr?
Speed of a boat along and against the current are 14 kms/hr and 8 kms/hr respectively. The speed of the current is
A man can row 40 kmph in still water and the river is running at 10 kmph. If the man takes 2 hr to row to a place and back, how far is the place?
A boy can swim in still water at a speed of 10 km/hr. If the speed of the current would have been 5 kmph, then the boy could swim 60km