engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Ratio and Proportion Simple Ratios
In a school, the ratio of boys and girls is 4 : 7 and the ratio of girls and teachers is 13 : 2. What is the respective ratio of students and teachers?
1
21 : 4
2
143 : 14
3
133 : 15
4
31 : 5