Question

Mr x travels from delhi to ghaziabad at speed 40 km per hour , but while returning his speed was 70 km per hour .Find his average speed

Answer 1

Given :

Mr. x travels from Delhi to Ghaziabad at the speed of 40 km/hr while returning the speed was 70 km/hr

To Find :

The average speed of his journey.

Solution :

The average speed of Mr. x from Delhi to Ghaziabad = 40 km/hour

The average speed of Mr. x while returning = 70 km/hour

The average speed = $\frac{40+70}{2}$

                                 = $\frac{110}{2}$

                                 = 55 km/hour

The average speed of his journey is 55 km/hour.