X’s age 3 years ago was three times the present age of Y. At present Z’s age is twice the age of Y. Also Z is 12 years younger than X. What is the present age of Z ?
A. 15 years B. 24 years C. 12 years D. 18 years Answer: Option DShow Answer
Solution(By Apex Team)
Let the present age of Y be a years
Three years ago X’s age = 3a years
Then, present age of X is (3a + 3)
Z’s present age = 2a
According to question
Now, (3a + 3) – 2a = 12
a = 9 year
∴ Present age of Z
= 2a = 2 × 9
= 18 years
