You can now view questions, answers, 100's of hours of video explanations and step-by-step worked solutions for FREE!
Sign up/Login if you wish to track your progress!

Primary 5 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)


Need dedicated, 1-1 help?
PSLE A* 2020 1-1 Tuition By Mr SingaporeMathGuru Results Guaranteed!*
Click here to learn more

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