A person covers a distance in 40 minutes at 45 km/h. What speed is required to cover it in 30 minutes?

A50 km/h

B60 km/h

C70 km/h

D80 km/h

Explanation

Distance = 45 * (40/60) = 30 km. New speed = 30 / (30/60) = 60 km/h.

Exam Relevance

Topic: Speed, Time & Distance
Subtopic: Speed Calculation

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