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A car moves for half of its time at 80 k...

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

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The correct Answer is:
`60 km//h`
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AAKASH SERIES-MOTION IN A STRAIGHT LINE-EXERCISE (LEVEL 2)
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  3. A car moves for half of its time at 80 km//h and for rest half of time...

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