Question

A train 280 metres long is running at a speed of a 42 km/hr.how much time will it take to pass a man standing on a platform?

Answer 1

$d = \frac{s}{t} \\ \\ d = 280m \\ \\ s = 42km \\ \\ t = \frac{s}{d} \\ \\ t = \frac{42}{280} \\ \\ t = 0.15 \\ \\ mark \: me \: as \: brainliest$