The following question is based on Blood Relations
The ratio of the ages of the father and the son at present is 7:1 After 4 years the ratio will become 4: 1 What is the sum of the present ages of the father and the son.
(A)32 (B)35 (C)29 (D)None of these
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Father = 7 * son
(Father + 4 years ) = 4 * (Son + 4 years)
Father + 4 years = 4 * Son + 16 years
7 * Son + 4 years = 4 * Son + 16 years
3 * Son = 12 years
Age of Son = 4 years
Father's age = 7 * 4 = 28 years.
Hence, the sum of their ages = 32 years
(Father + 4 years ) = 4 * (Son + 4 years)
Father + 4 years = 4 * Son + 16 years
7 * Son + 4 years = 4 * Son + 16 years
3 * Son = 12 years
Age of Son = 4 years
Father's age = 7 * 4 = 28 years.
Hence, the sum of their ages = 32 years
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