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 of 80
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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?
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