railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Ratio and Proportion Simple Ratios
The ratio of sand to gravel in a mixture is 3 : 4, while that between gravel and cement is 6 : 7. What is the ratio of sand to cement in the mixture?
1
8 : 11
2
3 : 5
3
49 : 59
4
9 : 14