The age of mother 5 years ago was thrice the age of her daughter. Five years hence, mother's age will be twice the age of her daughter. The ratio of their present ages.

7:3

3:7

5:3

3:5

Ages of mother and daughter 5 years ago are 4x and x (3x+5) +5=2(x+5+5) 3x+10=2x+20 x=10,x+5=15 3x+5=35 Reqd ratio=15:35=3:7

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