Directions: Study the table to answer the given questions. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
[IBPS (PO) 2014] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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What is the ratio of the number of females who watch breaking bad in city Q and city S together to the number of females who watch mentalist in the same cities together? |
A) 59 : 47
B) 55 : 48
C) 59 : 42
D) 55 : 43
E) 59 : 45
Correct Answer: B
Solution :
(b) Total number of females who watch breaking bad in cities Q and S together |
\[=\frac{20000\times 10}{100}+\frac{30000\times 30}{100}\]\[=2000+9000=11000\] |
Total number of females who watch mentalist in cities Q and S together |
\[=\frac{20000\times 30}{100}+\frac{30000\times 12}{100}\]\[=6000+3600=9600\] |
\[\therefore \]Required ratio\[=11000:9600=110:96=55:48\] |
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