Multiple choice

Seven years from now Virat will be twice as old as Mohinder. Five years ago Mohinder’s age was one year less than 2/5 of Virat’s age. What is Virat’s present age?

  1. 15

  2. 19

  3. 13

  4. 18
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let Virat's present age = V, Mohinder's = M. Equation 1: V + 7 = 2(M + 7). Equation 2: M - 5 = (2/5)(V - 5) - 1. Solving: From eq1, V = 2M + 7. Substitute in eq2: M - 5 = (2/5)(2M + 2) - 1, giving M = 12, so V = 19.

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