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Test Index
Ratio and Proportion Practice Test 5
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© examsnet.com
Question : 5
Total: 25
The average age of three girls is 18 years and their ages are in the proportion 1 : 2 : 3. Find the age of the eldest girl.
54 years
27 years
18 years
19 years
22 years
Validate
Solution:
Total age of girls = (3 × 18) years = 54 years
Ratio of their ages = 1 : 2 : 3
Age of the eldest girl =
(
54
×
3
6
)
years = 27 years.
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