Bank Preparation
Bank Math
ব্যাংক নিয়োগ
Combined Bank
Combined Bank (Officer 28-09-2018)
Ratio & Proportion, Alligation or Mixture
Combined Bank (Officer 28-09-2018)
The ratio of the speed of boat in still water to the speed of stream is 16: 5. A boat goes 16.5 km in 45 minute upstream . Find the time taken by boat to cover the distance of 17.5 km downstream .
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সঠিক উত্তর
1 (25 minutes)