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>> Rayan crosses a 400m bridge in 3 minutes. What is speed?
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Q. 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
ANSWER: 8 kmph
Answer & Explanation
He crosses 0.4 km in 3/60th of an hour. Speed = 0.4/(1/20) = 8 kmph
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