A father said to his son, "I was as old as you are at the present at the time of your birth". If the father's age is 38 years now, the son's age five years back was:
A. 14 years
B. 19 years
C. 33 years
D. 38 years
Answer: Option A
Solution(By Examveda Team)
Let the son's present age be x years. Then, (38 - x) = x⇒ 2x = 38.
⇒ x = 19.
∴ Son's age 5 years back (19 - 5) = 14 years.
This Question Belongs to Arithmetic Ability >> Problems On Ages
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Sol: Father's age at birth of son=x years
Son's age at time of birth say 0 and now it is x years old .
we can say that x(father's age at time of son's birth) + x(son's present age) = 38(father's present age)
x+x=38 => 2x=38 => x=19
5 years back: 19-5=14 years old
i can't understand this problem.plzzz discuss it details.
How 2x is come