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Quantitative Aptitude

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Percentage & Averages

Question
11 out of 30
 

Eight years ago the age of A was twice the age of B and the ratio of their ages is 6:5. What is the difference of their ages?



A 1 year
B 4 years
C 2 years
D 3 years
E None of These

Ans. C Let the age of B is x at 8 years ago

So A was 2x

10x + 40 = 6x + 48

4x = 8

X = 2

Percentage & Averages Flashcard List

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