PARENTS, STUDENTS, TEACHERS
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)

#### Question

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

5/8 of a steel tank which is 100 cm long, 55 cm wide and 30 cm high is filled with oil.

Ray transfers some of the oil from the steel tank into a glass tank until it is filled to its brim.

4.725 litres of water are left in the steel tank.

The perimeter of the rectangular base of the glass tank is 280 cm.

The ratio of its length to its breadth is 4 : 3.

Find the height of the glass tank.

Notes to students:

1. Round your answer off to 2 decimal places

The correct answer is : 20.5
cm