general math MCQ #619

If x : y = 3 : 4, what is the value of (7x + 3y) : (7x - 3y)?

general math MCQ #619

  1. Question 1

    Q1. If x : y = 3 : 4, what is the value of (7x + 3y) : (7x - 3y)?

    • A) 11:03
    • B) 6:03
    • C) 7:03
    • D) 1:03

    Answer: 11:03

    Explanation: With x:y = 3:4, substitute x=3 and y=4: (7×3+3×4):(7×3−3×4) = 33:9 = 11:3.