state gov Bihar Police Prohibition Constable 2022 Mock Test Series Quantitative Aptitude Ratio and Proportion Direct or Indirect Proportion
The monthly income of A and B are in the ratio of 4 : 5, and their monthly expenditures are in the ratio of 7 : 9. If each saves Rs. 50 per month, the monthly income of A is
1
400
2
500
3
512
4
530