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Primary 5 Problem Sums/Word Problems - Try FREE

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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`