engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Quantitative Aptitude Ratio and Proportion Simple Ratios
The ratio of the numbers of male and female workers in a farm with 420 workers is 13 : 17. What will be the new ratio if 4 female workers leave the work?
1
91 : 81
2
14 : 17
3
9 : 10
4
7 : 9