general math MCQ #1078

Five years ago, the average age of P and Q was 15 years. Now, the average age of P, Q, and R is 20 years. What will be the age of R in 10 years?

general math MCQ #1078

  1. Question 1

    Q1. Five years ago, the average age of P and Q was 15 years. Now, the average age of P, Q, and R is 20 years. What will be the age of R in 10 years?

    • A) 30 years
    • B) 40 years
    • C) 33 years
    • D) 50 years

    Answer: 30 years

    Explanation: Five years ago P+Q summed to 30; now P+Q = 40; with R, the total is 60, so R is currently 20 and will be 30 in 10 years.