Latest CAT Aptitude Question SOLUTION: 7. What is the value of (2a+2b)/(2a-b), given that b ≠ 0 and (〖 a〗^2-ab+2b^2)/(a^2+ab+4b^2 )=1/3? A. 4 B. 4/3 C. ¾ D. 3