A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series. Shy, Food, Plate, Recess, ?
A mini-van crosses two people walking at the speed of 4.8 kmph and 6 kmph in the same direction as that in which the mini-van is heading in 4.5 s and 9 s, respectively. What is the length of the mini-van?