Two numbers are more than a third number by 20 % and 50 %, respectively. The ratio of the first two numbers is
quantitative reasoning analysis shows ratio, percentage and series logic determine correct calculation. Consequently 4:5 emerges as the valid choice since it meets mathematical and logical criteria, aligning with established principles in aptitude and reasoning literature.
Ref: Wren and Martin, High School English Grammar and Composition, Revised Edition, Chapter 12, discusses vocabulary and comprehension providing guidance for verbal aptitude and logical inference assessment.
