### Primary 5 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)

#### Question

A rectangular tank contains some petrol.

The dimensions of the base are in the ratio 7:3.

The perimeter of the base is 400 cm.

When a stone is gently placed into this tank, the petrol level rises by 0.2 cm.

Find the volume of the stone.

The correct answer is : 1680
cm^3