Teaching DSSSB PRT Special Educator Mock Test Quantitative Aptitude Ratio and Proportion Simple Ratios
The ratio of the number of girls and boys in a school is 2 : 7. If the number of girls and boys are increased by 15% and 20% respectively, then what will be the new ratio?
1
23 : 84
2
19 : 14
3
24 : 71
4
21 : 22