state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Ratio and Proportion
In a library, the ratio of number of story books to that of non-story books was 3:4 and total number of story books was 1560. When some more story books were bought, the ratio became 3:2. Find the number of story books bought.
1
990
2
840
3
1250
4
1560