Multiple choice

Age of Anushika's father and Anushika is such that 7 years ago the father was thrice the age of Anushika's age and 7 years hence the father would be twice the age of Anushika's age. What is the sum of the present ages of both?

  1. 70 years

  2. 21 years

  3. 68 years

  4. 47 years

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let present ages be F (father) and A (Anushika). 7 years ago: F-7 = 3(A-7). 7 years hence: F+7 = 2(A+7). Solving: From first equation F = 3A-14. Substituting in second: 3A-14+7 = 2A+14, so A = 21, then F = 49. Sum = 49+21 = 70 years.