The ratio between the present ages of Pranupa and Gayathri is 5 : 7 respectively. If the difference between Gayathri's present age and Pranupa's age after 6 years is 2, what is the total of Pranupa's and Gayathri's present ages ?
Let the present ages of Pranupa and Gayathri be 5x years and 7x years respectively.
Then 7x-(5x+6)=2 or 2x=8 or x=4.
Required sum = 5x+7x =12x =12×4 = 48 years.
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