the age of A is one_third of the age of B. After 15 years the age of A will be half of the age of B. find their present ages
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A age is 15 and B age is 45 year
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Let the present age of B be x years, then the present age of A will be x/3.
After 15 years, age of B will be x + 15 and the age of A will be x/3 + 15.
Now, ATQ,
x/3 + 15 = (x + 15)/2
=> (x + 45)/3 = (x + 15)/2
=> 2x + 90 = 3x + 45
=> 3x - 2x = 90 - 45
=> x = 45
Hence, the present age of B is 45 years and the present age of A is 15 years.
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