Arithmetichard · Past Paper

If x% of y is 100 and y% of z is 200, find the relation between x and z.

Az = x
Bz = 2x
Cz = x/2
Dz = 4x

✓ Correct Answer: Bz = 2x

xy/100 = 100 => xy = 10000. yz/100 = 200 => yz = 20000. Dividing the two: z/x = 2 => z = 2x.

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