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IBPS RRB Officer Scale 1 Model Paper 14

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Directions (Q. No. 51-55) :Studythe data carefully and answer thequestion given below:

The table shows the distance travelled by five different boat supstream and down stream in same time and the line chart shows thespeed of stream.

Boat	Distance(Upstream)	Distance(Downstream)
P	96	288
Q	120	240
R	100	220
S	150	350
T	180	540

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Question : 54

Total: 80

The ratio of the speeds of the Boat Q to the Boat U in still water is 4 : 5. If the Boat U travels 126 km distance downstream and 81 km distance upstream in 7 hours 30 minutes, What is the speed of stream of Boat U?

15 km/h
10 km/h
20 km/h
12 km/h
None of these

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