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 100220
S 150 350
T 180 540
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Question : 52 of 80
 
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If the speed of Boat R in still water is increased by 10% and the speed of stream is increased by 20%, Find the time taken by Boat R to cover the distance of 91 km upstream.
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