📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

    Question

    The addition of the average of two numbers and the third

    number results in 270, 258 and 246 respectively. Find the required difference between max and min number.
    A 62 Correct Answer Incorrect Answer
    B 56 Correct Answer Incorrect Answer
    C 48 Correct Answer Incorrect Answer
    D 75 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let numbers be x, y, z. 2x + y + z = 270 × 2 = 540 x + 2y + z = 258 × 2 = 516 x + y + 2z = 246 × 2 = 492 4(x + y + z) = 540 + 516 + 492 = 1548 x + y + z = 387 x = 540 – 387 = 153 y = 516 – 387 = 129 z = 492 – 387 = 105 Difference = 153 – 105 = 48

    Practice Next
    More No. System Questions
    ask-question