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Question
A father is, at present, three times as old as his son. Five years back, he was four times as old as his son. Find the age of his son.
A father is, at present, three times as old as his son. Five years back, he was four times as old as his son. Find the age of his son.
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Solution
The correct option is B 15 years
Present age of the son is 'x' years, his father's age is 3x
Five year ago:
Son's age = x−5 and father's age = 3x−5.
∴3x−5=4(x−5)orx=15
Present age of the son is 'x' years, his father's age is 3x
Five year ago:
Son's age = x−5 and father's age = 3x−5.
∴3x−5=4(x−5)orx=15
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