Volume of cuboidal tank, V = 50000 lit.
1 c.c = 1000 litres
∴ Volume of tank = \(\frac{50000}{1000}\) = 50 c.c
length of tank, l = 2.5 m
height, h = 10m
breadth,b = ?
Volume of cuboid, V = l × b × h
50 = 2.5 x 10 x b
50 = 25 x b
b = \(\frac{50}{2.5}\)
∴ b = 2m.