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Let Messi’s present age be x years.
Father's present age = ( x + 2.5x ) = 3.5x
After 12 years, ( 3.5x + 12 ) = 1.5 ( x + 12 )
Solving, x = 3
Required ratio = \frac{ ( 3.5x + 24)}{(x+24)}
= \frac{ (34.5)}{(27)} = 1.27
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