Menu
Home / General Knowledge / Testing allindiaexams :: Discussion

Discussion :: Testing allindiaexams

  1. Find the numbers which are in the ratio 3:2:4 such that the sum of the first and the second added to the difference of the third and the second is 21.
    2. A.
    12, 8, 16
    B.
    6, 4, 8
    C.
    9, 6, 24
    D.
    9, 6, 12
    E.
    None of these

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :

    Let the numbers be a, b and c.
    a:b:c = 3:2:4
    Given, (a + b) + (c - b) = 21
    => a + c = 21
    => 3x + 4x = 21 => x = 3
    a, b, c are 3x, 2x, 4x
    a, b, c are 9, 6, 12.

Write your comments here:

Be The First To Comment