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The ratio of Mona's age to the age of her mother is 5 : 15. The difference of their ages is 24 years. The ratio of their ages After 3 years will be ?
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- 1 : 3
- 2 : 3
- 3 : 7
- None of these
Correct Option: C
Let the age of Mona and her mother be 5x and 13x years respectively.
Then, (13x - 5x) = 24
⇒ x = 3
So, their present ages are 15 years and 39 years
Ratio of their ages after 3 years = 18 : 42 = 3 : 7
