Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 16)
The ratio of boys to girls in a class is 4:12. What is the ratio in simplest form?
1:2
1:3
1:4
2:3
คำอธิบาย
Both 4 and 12 are divisible by 4. The simplest form of the ratio is 1:3.