Example 15 - Chapter 4 - Class 10 | Quadratic Equations | NCERT Maths | CBSE (Old Book)

Example 15, Chapter 4, Class 10: A motor boat whose speed is 18 km/h in still water takes 1 hour more to go 24 km upstream than to return downstream to the same spot. Find the speed of the stream.

In this tutorial, you will find the explanation of the following:
Example: 15
Class: 10th
Chapter: 4, Quadratic Equations
Textbook: NCERT

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Why should we take 18 as first in (18+x) we could take x also know, (18-x) also why should we take 18 as first

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