x,y,z are three sums of money such that y is the simple interest on x and z is the simple interest on y for the same time and rate. Then the relation between x, y and z is
A
y2=zx
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B
x2=yz
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C
xyz=1
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D
none of these
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Solution
The correct option is Ay2=zx y=x×r×t100 ......(i) z=y×r×t100 .....(ii) ⇒yz=xy or y2=xz