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Question

At present A vani's age is 2 more than the square of her daughter Nitya's age. After 15 years she will be 2 to more than twice Nitya's age. Find their present ages.

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Solution

Let Vani's Age be V
and Nitya's Age be N

Now, According to Question
At Present
V=2+N2.................(1)

After 15 years
V+15=2+2(N+15)................(2)

Subtracting (2) from (1)
N22N15=0N25N+3N15=0(N5)(N+3)=0N=5,3

Hence, N=5 (As age cannot be Negative)
and V=2+N2=2+52=2+25=27



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