Question

Arjun travel half of his journey by train at the speed of 120 km per hour and rest house by car at 80 km per hour what is his average speed

Answer 1

the average speed is 100 km/hr

Answer 2

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Travelling = 120 km
Speed = 80 km/hr

Average speed = 120 - 80 = 40 km/hr

$\huge\underline{\green {\textbf{40 km/hr}}}$

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