Question

A bus takes two hours to cover a distance of 80 cm. calculate its speed in km/h and m/ sec.

Answer 1

according to question it's speed is 80cm/hr

so change its unit

$80 \frac{cm}{hr} \times \frac{1}{100000} = in \: kmhr {}^{ - } \\ 8 \times {10}^{ - 4} kmhr {}^{ - }$