A

Admin • 828.70K Points
Coach

Q. My father is 21 years older than me. In 12 years time, his age will be twice mine. How old am I now?

  • (A) 9 years
  • (B) 8 years
  • (C) 10 years
  • (D) 11 years
  • Correct Answer - Option(A)
  • Views: 8
  • Filed under category Math
  • Hashtags:
Explanation by: Admin
Suppose my age = P years
My father’s age = my age + 21 years = P + 21 years
Again After 12 years ,
2 ( my age + 12 ) = My father’s age + 12
⇒ 2 (P + 12) = (P + 21) + 12
⇒ 2P + 24 = P + 33
⇒ P = 33 – 24 = 9 years
Hence , I am 9 years old now .

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.