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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 60 km. What is the average speed of the car

A

60 km/h

B

80 km/h

C

120 km/h

D

180 km/h

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The correct Answer is:
A
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -PRACTICE EXERCISE
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