Question

Four people A, B, C and D are
travelling with a speed of 4.5 km/h, 1.5
m/s, 160 cm/s and 3 mi/hr
respectively. Which of the following
represents the people arranged in
increasing order of their speeds?​

Answer 1

Answer:

The slope of distance vs time graphs represent speed. B has the minimum slope and hence the minimum speed.