Free Practice Question
PS · Problem Solving
555-605
Fractions/Ratios/Decimals
A man's age and his wife's age are in the ratio of 5:4. In 5 years, this ratio will change to 11:9. If their age ratio at the time of marriage was 6:4, how many years ago did they get married?
Answer Choices
Correct answer marked belowA
9 years
B
13 years
C
11 years
D
16 years
20 years
Correct
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Explanation
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Official Explanation
Official
The current ages of the man and his wife can be represented as (). After 5 years, their ages will be (). Setting up the equation for the new ratio gives us . This simplifies to , leading to . Let the number of years since their…
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Comments
2
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A
aditiJan 25, 2025
This is exactly what I needed to practice
A
AigulFeb 23, 2024
thankss
What this question tests
What it tests
Your ability to convert between fractions, ratios, and decimals and to reason proportionally.
Common trap
Cross-multiplying incorrectly or mixing up the ratio parts — a part:part ratio is not a fraction of the whole.
Details
Difficulty
555-605
Type
PS
Category