if the median of x 2 x 4 x is 12 the main of x 2 x 4 x is
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X, 2x, 4x
64
4.0
no. of terms(n) = 3, which is an odd no.
Therefore, median = {(n+1)/2]th term = {(3+1)/2)th term = (4/2)th term = 2nd term =
2x
But median = 12
i.e. 2x = 12
x = 6
Therefore, the data is x,2x,4x = 6, 2x6, 4x6 =6,12,24
Mean= sum of terms/ no. of terms = (6+12+24)/3 = 42/3 = 14
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