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Q.

A car moves for half of its time at 80 km/h and for rest half time at 40 km/h. Total distance covered is 60km. What is the average speed (in kmph) of the car

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answer is 60.

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Detailed Solution

= $V_{avg} = \frac{V_{1} + V_{2}}{2}$

$\frac{80 + 40}{2} = 60$

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A car moves for half of its time at 80 km/h and for rest half time at 40 km/h. Total distance covered is 60km. What is the average speed (in kmph) of the car