The difference between the ages of two person is 10 years. Fifteen years ago, the elder one was twice as old as the younger one. The present age of the elder person is:
(A) 25 years (B) 35 years (C) 45 years (D)55 years
Answer: B
Description:
Let X be elder person's age & Y be younger person's age.Then,
From the given data make the equation as
X-Y=10 ;
(X-15) =2(Y-15)
By solving above two equation you will get X=35
(A) 25 years (B) 35 years (C) 45 years (D)55 years
Answer: B
Description:
Let X be elder person's age & Y be younger person's age.Then,
From the given data make the equation as
X-Y=10 ;
(X-15) =2(Y-15)
By solving above two equation you will get X=35
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