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A train travels 180 km at a uniform speed. If the speed had been 9 km/hr more, it would have taken 1 hour less for the same journey. Find the speed of the train. - Mathematics

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Question

A train travels 180 km at a uniform speed. If the speed had been 9 km/hr more, it would have taken 1 hour less for the same journey. Find the speed of the train.

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Solution

36km/hr 

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Chapter 10: Quadratic Equations - Exercises 5

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 10 Quadratic Equations
Exercises 5 | Q 47
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