Question

Four years ago, the ages of the father and his son were

Q: Answer-Four years ago, the ages of the father and his son were in the ratio 7:2. Four years hence, the ages...

Let the common ratio be x. Hence, four years ago, the ages of the father and his son were 7x and 2x years. According to the question, 7x44 2x 4 4 94 28x 32 18x 72 10x 40 x4 Present age Father 7x 4 7 x 4 4 32 Son 2x 4 2 x 4 4 12 After P years the fathers age will be twice the age of his son. According to the question, 32 P 2 x 12 P P 8 year

in the ratio 7:2. Four years hence, the ages of the father and his son will be in the ratio 9:4. After how many years will the father's age be twice the age of his son?

A 12

B 8

C 10

D 9

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Four years ago, the ages of the father and his son were

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