A square tank holds 15,000 litres of water. If its depth is 2.5 m, find the length of one side of its base.

Correct option is C

Given:
Capacity of the square tank = 15000 litres
Depth of the tank = 2.5 m
Formula Used:
1 cubic meter = 1000 litres
Volume = Area of Base × Depth = $$a^2$$​× h
Solution:
Convert the volume from litres to cubic meters.
Volume =$$\frac{15000}{1000} = 15 m^3$$​​
Let the side of the square base be a.
​$$a^2 × 2.5 = 15$$​​
​$$a^2 = \frac{15}{2.5}$$​​
$$a^2$$​ = 6
a = $$\sqrt{6}$$​​
a ≈ 2.45 m
Final Answer
So the correct answer is (c)