Home » Aptitude » Ratio, Proportion » Question
  1. If
    x
    =
    3
    , the ratio of (2x + 3y) and (3y – 2x) is
    y4
    1. 2 : 1
    2. 3 : 2
    3. 1 : 1
    4. 3 : 1
Correct Option: D

x
=
3
(Given)
y4

∴ 
2x + 3y
3y − 2y

=
2x
+
3y
yy
3y
2x
yy

(Dividing numerator and denominator by y)
=
2x
+ 3
y
3 − 2.
x
y

= 2 ×
3
+ 3
4
3 − 2 ×
3
4

=
3
+ 3
2
3 −
3
2

=
3 + 6
=
9
6 − 33

= 3 : 1



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