If (b/y) + (z/1) = 1 and (c/z) + (x/a) = 1, then what is (ab + xy)/(bx) equal to?

The median of the following distribution is 14.4 and the total frequency is 20: Class…

If m is the mean of p, q, r, s, t, u, v, then what…

The average of u, v, w, x, y, z is 10.What is the average of…

Methods of presentation of data are

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