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25 February, 14:40

The mean of 28,12,4x, 16,20,8 is 16 then x is

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  1. 25 February, 15:18
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    Explanation:

    Mean = (28+12+4x+16+20+8) / 6 = 16

    (84+4x) / 6 = 16

    Cross multiply

    84+4x = 16 * 6 = 96

    4x = 96-84=12

    x = 12/4 = 3
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