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Arithmetic Aptitude :: Problems on Ages

Home > Arithmetic Aptitude > Problems on Ages > General Questions

71. Sachin is younger than Rahul by 7 years. If their ages are in the respective ratio of 7:9, how old is Sachin?

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Answer: Option B

Explanation:

Here is no explanation for this answer

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72. The age of father 10 years ago was thrice the age of his son. Ten years hence, father's age will be twice that of his son. The ratio of their present ages is:

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Answer: Option B

Explanation:

Let son's age 10 years ago be x.
Father's age 10 years ago = 3x
2(x+20) = (3x+20)
x = 20
10 years ago, father's age = 60 years and son's age = 20 years
Ration of their present age = 70:30 = 7:3

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