Progress tracking tools for students FREE Video Lesson Worth $20! 10,000 Math Questions From P1 to P6! Access 300 Hours of Video Explanations! Video Tutorials to Tough PSLE Questions! Step-by-step worked solutions
Primary 5 Problem Sums/Word Problems - Try FREE
- Attempting as Guest
- Attempt Mode: Attempt Single Question
Need dedicated, 1-1 help?
PSLE A* 2020 1-1 Tuition By Mr SingaporeMathGuru Results Guaranteed!*
Click here to learn more
There are some red, blue, green and yellow crayons in a box.
12% of the crayons in the box are red in colour.
The number of green crayons is `1/6` of the number of red crayons.
The number of blue crayons is `3/7` of the total number of red and green crayons.
The remaining crayons are yellow crayons.
The number of yellow crayons is 180 more than the total number of red, green and blue crayons.
(a) How many crayons are blue in colour?
(b) What is the total number of crayons in the box?
Notes to student:
- If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12