If 25% of a number is subtracted from a second number. If second number reduces to its five - sixths. What is the
ratio between the first number and the second number?
(a) 2:3
(b) 3:2
(c) 1:3
(d) data inadequate
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ANSWER
Let the first and second numbers be x and y , respectively
y−x×
100
25
=y×
6
5
y−
4
x
=
6
5
y
6
1
y=
4
x
∴x:y=2:3
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