Q. 2 I5.0( 1 Vote )

Frame and solve t

Answer :

At present,


Let age of Nandini = x


Then age of Mary = 3x


After 10 years,


Age of Nandini = x + 10


Age of Mary = 3x + 10


Then according to the question,


[x + 10] + [3x + 10] = 80


x + 10 + 3x + 10 = 80


4x + 20 = 80


4x = 80 – 20


4x = 60


x = 15


3x = 3 × 15 = 45


Hence, Present age of Nandini = 15 years


Present age of Mary = 45 years


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