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Two numbers x and y are respectively 20% and 25% more than the third number z. If x is a% of y, then a =
x is 20% more than z
$$\Rightarrow$$Β x =Β $$\frac{120}{100}$$z
y is 25% more than z
$$\Rightarrow$$Β y =Β $$\frac{125}{100}$$z
Also, x is a% of y
$$\Rightarrow$$Β x = $$\frac{a}{100}$$y
$$\Rightarrow$$ Β $$\frac{120}{100}$$z =Β $$\frac{a}{100}\times\frac{125}{100}$$z
$$\Rightarrow$$Β a = 96
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