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Standard VII
Mathematics
Integers
A man is four...
Question
A man is four times as old as his son. After
16
years he will be only twice old as his son. Find their present ages.
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Solution
Let Son's age
=
x
and Man's age
=
4
x
After
16
years,
2
(
x
+
16
)
=
4
x
+
16
2
x
+
32
=
4
x
+
16
16
=
2
x
x
=
8
years
∴
Son's age
=
8
years and
Man's age
=
32
years.
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