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UPSC CDS Math Percentage Questions
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© examsnet.com
Question : 10
Total: 31
The annual income of a person decreases by ₹ 64 if the annual rate of interest decreases from 4% to 3.75%. What is his original annual income ?
[2018 CDS-I]
₹ 24,000
₹ 25,000
₹ 25,600
₹ 24,600
Validate
Solution:
Decrease in the rate of interest = 4 – 3.75
=
0.25
%
Let his annual income be ₹P
∴
64
−
P
×
0.25
100
⇒
P
=
6400
×
4
P
=
₹
25
,
600
© examsnet.com
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