Rayan crosses a 400m bridge in 3 minutes. What is speed?

Rayan crosses a 400m bridge in 3 minutes. What is speed?

A. 133.33 kmph
B. 1.33 kmph
C. 4 kmph
D. 8 kmph
He crosses 0.4 km in 3/60th of an hour. Speed = 0.4/(1/20) = 8 kmph

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