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UPSC CDS Math Average Questions
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© examsnet.com
Question : 21
Total: 23
The price of a commodity increased by 5% from 2010 to 2011, 8% from 2011 to 2012 and 77% from 2012 to 2013. What is the average price increase (approximate) from 2010 to 2013?
[2014 CDS-II]
26%
32%
24%
30%
Validate
Solution:
Let initial price of commodity be ₹100
Price of commodity after 2013
=
100
(
105
100
)
(
108
100
)
(
177
100
)
≈
200
Increase in price
=
200
–
100
=
100
Average increase
=
100
3
=
33.333
which is nearest to 32%
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