engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Ratio and Proportion Simple Ratios
The ratio of present ages of Ratna and Shantanu is 5 : 4. After 19 years the ratio of their ages will be 10 : 9. What is Ratna's present age?
1
19
2
15
3
9
4
72