NCERT Solution Class X Mathematics Quadratic Equations Question 8 (Ex 4.3)

Question 8:

A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 hour less for the same journey. Find
the speed of the train. of the train.

Answer:

Let the speed of the train be x km/hr.

Time taken to cover 360 km = 360/x hr

According to the given question,

However, speed cannot be negative.

Therefore, the speed of train is 40 km/h

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