Arithmetic Aptitudes › Problems on Ages › Question #4391
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QThe age of a mother today is thrice that of her daughter. After 12 years, the age of the mother will be twice that of her daughter. The present age of the daughter is:

ID: #4391 Problems on Ages 155 views
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#4391Q ID
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  • A 12 years ✔ ✖
  • B 14 years ✔ ✖
  • C 16 years ✔ ✖
  • D 18 years ✔ ✖
Correct Answer

Explanation

Let x be the present age of the daughter.
The age of the mother today is thrice that of her daughter, which means that the mother's age today is 3 * x years.
After 12 years, the age of the mother will be twice that of her daughter, which means that the mother's age will be 2 * (x + 12) years.
Since the mother's age after 12 years is twice that of her daughter, this means that 3 * x = 2 * (x + 12).
Solving this equation for x, we get x = 12.
Therefore, the present age of the daughter is 12 years.

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