Question

*17. Six years ago, the sum of the ages of both Priya and
her father was 48 years. Five years ago, father's age
was ten years less than five times the age of Priya at
that time. Find the age of Priya four years from now
(1) 11 years (2) 15 years (3) 19 years
(4) 23 years (5) None of these​

Answer 1

Step-by-step explanation:

Let P=Priya.Present and F=Father.Present and O be the Offset in Years as 16.

3P=F is the Present Tense.

3P+16=F+16=2(P+16) is The Future Tense.

We observe that Like Terms Exist in the Comparison of Priya.Present to Pria.Future, bywhich we may contrast to derive Priya.Present.

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3P+16=2P+32

P=16 By Differential, subtracting 2P+16 from both.

If we did not use Differential we might yeild a less sane result like

[(3P-16)/2P]=1

Thus her Father as Thrice the Present Age of She, at Present is 48, and in 16 years, He is 64 whilst She is 32, and the ratio of Age of F+O:P+O, whereby O is Offset of course will reduce evermore to an insignificancy of: