Question: Tick (✓) the correct answer:
A rectangular water tank is 3 m long, 2 m wide and 5 m high. How many litres of water can it hold?
(a) 30000
(b) 15000
(c) 25000
(d) 35000
Solution:
(a) 30000
Volume $=3 \times 2 \times 5=30 \mathrm{~m}^{3}=30000 \mathrm{~L}$