If 25% of a number is subtracted from a second number , the second number reduces to its five-sixth. What is
the ratio of the first number to the second number ?
Let the numbers be `x and y`
Then, y - 25% of `x = 5/6 y hArr y - 5/6 y = 25/100 x hArr y/6, x/4 hArr x/y = 4/6 = 2/3`
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