Question
A family includes father, mother, son and daughter. At
the time of father’s marriage, the mother was 7 years younger than her husband. Now, the mother’s age is three times the age of her son. The ratio of the present ages of the son and daughter is 6:5. The present age of the daughter is 15 years. Find the present age of the father.Solution
ATQ, Present age of daughter = 15 years Son : Daughter = 6 : 5 ⇒ Son’s age = 15 × 6/5 = 18 years Mother’s present age = 3 × 18 = 54 years Mother is 7 years younger than father ⇒ Father’s present age = 54 + 7 = 61 years
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