The ratio of two numbers is 4:5 when the first is increased by 20% and the second is decreased by 20%, the ratio of the resulting numbers is
A4 : 5
B5 : 4
C5 : 6
D6 : 5
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The value of x is 25% more than the value of y, then the value of Y is less than the value of x by .......... %
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