state gov Bihar Police Prohibition Constable 2022 Mock Test Series Quantitative Aptitude Ratio and Proportion Direct or Indirect Proportion
If (2x – y) : (5x + 3y) = 3 : 8, then (x2 + y2) : (x2 – y2) = ?
1
145 : 144
2
144 : 143
3
133 : 122
4
257 : 255