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Question 142
The ratio of the present ages of a mother and daughter is 7:1 Four years ago the ratio of their ages was 19:1 what will be the mother’s age four years from now ?
Solution
Let the present ages of daughter and mother be d and m respectively.
7d = m
19(d-4) = m-4
=> 19d - 76 = 7d - 4
=> 12d = 72
=> d = 6 and m = 42
Mother's age four years from now will be 42 + 4 = 46
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