Present age of Anu's mother is four times Anu's age. Five years hence, her age will be 21 years more than Anu's age. Find their present ages.
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Given:
The present age of Anu's mother = 4 times the age of Anu
After 5 years, the age of Anu's mother = 21 years more than Anu's age
To find:
The present age of Anu and her mother.
Solution:
Let the present age of Anu be x years, then the present age of Anu's mother will be 4x years.
After 5 years, the age of Anu's mother = 21 years more than Anu's age
Thus,
4x + 5 = (x + 5) + 21
4x + 5 = x + 26
3x = 21
x = 7
The present age of Anu's mother will be = 4x = 4×7 = 28.
The present age of Anu is 7 years and the present age of Anu's mother is 28 years.
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