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Answer: Let present age of Preeti be x years. and Present age of kanika be y years. According to question , x = 5/2 y -----------------------ist

Five Years ago , Preeti's age = x -5 Kanika's age = y-5 According to Condition , x-5 = 3 (y-5) ------- 2nd substitute ist in 2nd we get 5/2y - 5 = 3(y -5) 5/2y -5 = 3y - 15 5/2y - 5 +15 = 3y or 10 = 3y - 5/2y or 10 = (6 -5)/2y or 10 = 1/2y or y =20 Hence Present age of Kanika = 20 years substitute y =20 in Ist , we get x=5/2*20 or x =50 Therefore Present age of Preeti is 50 Years.