[" If the mean of "x" and "(2)/(x)],[" of "x^(3)" and "(1)/(x^(3))]

If the mean of x and (1)/(x) is M ,the mean of x^(3) and (1)/(x^(3)) is

If the mean of x_(1) and x_(2), and that of x_(1),x_(2),x_(3),x_(4) is M_(2), the mean of x_(1)+(x_(2))/(a),x_(3)+a,x_(4)-a is

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

If the mean of x+2,2x+3,3x+4,4x+5isx+2 find x

If the mean of the scores x_(1), x_(2), x_(3), x_(4), x_(5) "and" x_(6) is x, then mean of 5x_(1), 5x_(2), 5x_(3), 5x_(4), 5x_(5), "and" 5x_(6) is ______.

If the mean of x+2,\ 2x+3,\ 3x+4,\ 4x+5 is x+2 , find x

The geometric mean of (x _(1) , x _(2), x _(3), ... X _(n)) is X and the geometric mean of (y _(1), y _(2), y _(3),... Y _(n)) is Y. Which of the following is/are correct ? 1. The geometric mean of (x _(1) y _(1), x _(2) y _(2) . x _(3) y _(3), ... x _(n) y _(n)) is XY. 2. The geometric mean of ((x _(1))/( y _(1)) , ( x _(2))/( y _(2)), (x _(3))/( y _(3)) , ... (x _(n))/( y _(n))) is (X)/(Y). Select the correct answer using the code given below:

If the mean of n observations x_(1),x_(2),x_(3)...x_(n) is bar(x) then the sum of deviations of observations from mean is