New Enroll for RBI, PFRDA & NABARD Intro Class! April 18 at 9:15 PM

    Question

    'x' varies directly as per 'y' and 'z'. When 'y' = 6 and

    'z' = 8, then x = 16. Find the value of 'z', when 'y' = 8 and x = 24.
    A 18 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 6 Correct Answer Incorrect Answer
    D 9 Correct Answer Incorrect Answer

    Solution

    Let x = kyz, where 'k' is some constant.

    ATQ;

    16 = k X 6 X 8

    Or, k = (1/3)

    So, required value = 24 = (1/3) X z X 8

    Or, z = 9

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