Directions: Study the table to answer the given questions. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
[IBPS (PO) 2014] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The total population (males and females) of city R watching mentalist is what per cent more than the total population (males and females) of city T watching the same TV series? |
A) \[8\frac{3}{7}\]
B) \[8\frac{5}{7}\]
C) \[8\frac{4}{7}\]
D) \[7\frac{3}{7}\]
E) \[7\frac{4}{7}\]
Correct Answer: C
Solution :
(c) Total number of people in city R watching mentalist |
\[=\frac{50000\times 16}{100}+\frac{50000\times 22}{100}\]\[=8000+11000=19000\] |
Total number of people in city T watching mentalist |
\[=\frac{5000\times 15}{100}+\frac{50000\times 20}{100}\]\[=7500+10000=17500\] |
\[\therefore \]Required percentage \[=\frac{19000-17500}{17500}\times 100\]\[=\frac{1500\times 100}{17500}=\frac{60}{7}=8\frac{4}{7}\]% more |
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