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

The ratio of the number of deer to the number of rabbits in a zoo was 4 : 3

After the birth of 39 baby rabbits, the ratio of the number of rabbits to the number of deer in the zoo became 4 : 1.

Find the total number of deer and rabbits in the zoo at first.

The correct answer is : 21