If 40% of one number equals two-thirds of another, what is the ratio of the first number to the second?
Aptitude
Ratio and Proportion
Difficulty: Easy
Choose an option
Answer
Correct Answer: 5:3
Explanation
Problem restatementRelate two numbers via a percentage equality and express their ratio.
Given data
- 0.4A = (2/3)B
Concept/ApproachSolve for A/B by dividing both sides by 0.4B.
Step-by-step calculationA / B = [(2/3)] / 0.4 = (2/3) × (1/0.4) = (2/3) × (5/2) = 5/3
Common pitfallsTreating percentages additively or misplacing the decimal (0.4 vs 4%).
Final Answer5:3