A rectangular water tank is 8 m high, 6 m long and 2.5 m wide. How many litres of water can it hold ?

Answer: Option D

Volume of the tank :
$$\begin{array}{rl}& =\left(8\times 100\times 6\times 100\times 2.5\times 100\right)c{m}^3\\ & =120000000c{m}^3\\ & =\left(\frac{120000000}{1000}\right)\text{litres}\\ & =120000\text{ litres}\end{array}$$