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A car covers a distance in 40 minutes with an average speed of 60 km per hour. The average speed to cover the same distance in 30 minutes

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in 8th-maths by (1.8k points)
A car covers a distance in 40 minutes with an average speed of 60 km per hour. The average speed to cover the same distance in 30 minutes is
Options:

(a) 80 km/h

(b) `45/2` km/h

(c) 70 km/h

(d) 45 km/h

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