The average age of a man and his son is 30 years. The ratio of their age tom-years ago was 10 : 3 respectively. What is the difference between the present age of the man and his son?

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BANK PO Exam (Ibps Bank) 2012 click here to view all questions

The average age of a man and his son is 30 years. The ratio of their age tom-years ago was 10 : 3 respectively. What is the difference between the present age of the man and his son?

A28 years

B16 years

C26 years

D44 years

Nithin ? undefined

Correct answer is: 28 years

Explanation:

Four years ago,

Let, Father's age = 10x years

Son's age = 3x years

Therefore, 10x + 3x + 8 = 60

=>13x = 60 - 8 = 52 => x = 4

Therefore, Required difference = 7x = 7×4 = 28 years

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Correct answer is: 28 years Explanation: Four years ago, Let, Father's age = 10x years Son's age = 3x years Therefore, 10x + 3x + 8 = 60 =>13x = 60 - 8 = 52 => x = 4 Therefore, Required difference = 7x = 7×4 = 28 years Nithin ? answered undefined All Comments

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