1.

If x, y, z are three sum of money such that y is the simple interest on x and z is the simple interest on y for the same time and at the same rate of interest, then what is the relation between x, y, z we have = ?

A. x2 = xy
B. xyz = 1
C. x2 = yz
D. y2 = zx
Answer» B. xyz = 1


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