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Ten years ago a father was six times as ...

Ten years ago a father was six times as old as his daughter. After 10 years he will be twice as old as his daughter. Find their present age.

Text Solution

Verified by Experts

Let present age of daughter=D
Let present age of father=F
According to question
`F-10=6(D-10)`
`F-10=6D-60`
`F=6D-50-(1)`
`F+10=2(D+10)`
`F+10=2D+20`
...
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