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