If the mean of x 1 , x 2 is 7.5 and the mean of x 1 , x 2 , x 3 is 8, then the value of x 3 is

UPPSC 2018 General Studies-II Solved Paper

Question : 81 of 100

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If the mean of x₁, x₂ is 7.5 and the mean of x₁, x₂, x₃ is 8, then the value of x₃ is

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