railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Ratio and Proportion Simple Ratios
Ratio of 45 percent of A to 55 percent of B is 6 ∶ 5. One-fourth of 1 less than the sum of A and B is 9. Find the value of A - 2B?
1
-6
2
-8
3
-2
4
-4