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 6 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 group of students played hop scotch with each other.

Each student played once with each other.

John played with 4 times as many boys as girls.

Mary played with 5 times as many boys as girls.

What is the difference in the number of boys and girls?


The correct answer is : 19