Mathematics

Problem

A rectangular tank of internal dimensions

60\,\text{cm} \times 40\,\text{cm} \times 30\,\text{cm}

is to be filled completely with water. If water flows from a tap at the rate of

2\,\text{L s}^{-1}

, how much time (in seconds) will it take to fill the tank? a)

30

36

60

18