. The present age of father is four times the age of his son. After 10 yr, age of father will become three times the age of his son. Find their present ages. INCERT Exemplar
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Answer:
the age is 40 years old I think so
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Answer: Let the age of his son be x
Let the age of his father be 4x
According to question -
Ten years ago-
3(x-10) = 4x - 10
3x - 30 = 4x - 10
30 + 10 = 4x - 3x
40 = x
x = 40
The age of his son = x = 40
The age of his father = 4x = 4×40 = 160
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