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Verbal Reasoning
Computer Science
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Ratio and Proportion
The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?
3 : 3 : 10
10 : 11 : 20
23 : 33 : 60
Cannot be determined
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Correct Answer:
23 : 33 : 60
Explanation:
Let A = 2
k
, B = 3
k
and C = 5
k
.
A's new salary =
115
of 2
k
=
❨
115
x 2
k
❩
=
23
k
100
100
10
B's new salary =
110
of 3
k
=
❨
110
x 3
k
❩
=
33
k
100
100
10
C's new salary =
120
of 5
k
=
❨
120
x 5
k
❩
= 6
k
100
100
∴ New ratio
❨
23
k
:
33
k
: 6
k
❩
= 23 : 33 : 60
10
10
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