Directions: Study the table to answer the given questions. | ||||||||||||||||||||||||
Data Related to Books Sold Through Online Mode and Offline Mode in a City | ||||||||||||||||||||||||
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What is the approximate percentage decrease in the number of books sold through offline mode in the year 2014 from the year 2010? |
A) 15%
B) 19%
C) 21%
D) 23%
E) 25%
Correct Answer: B
Solution :
Number of books sold through offline mode in year 2014 \[=1600\times \frac{21}{100}=336\] |
Number of books sold through offline mode in year 2010 \[=690\times \frac{60}{100}=414\] |
\[\therefore \] Percentage decrease |
\[=\,\frac{78}{414}\,\times \,100\]%\[=\,18.84\,\approx \,19\]% |
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