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A boat goes 30 km upstream and 44 km do...

A boat goes `30` km upstream and `44` km downstream in `10` hours. In `13` hours, it can go `40` km upstream and `55` km downstream. Determine the speed of the stream and that of the boat in still water.

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The correct Answer is:
3km/hr
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OSWAL PUBLICATION-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-Board Corner (Long Short Answer Type Questions)
  1. A boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 ho...

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