What is the respective ratio of the number of passengers who travelled to Chennai and Bengaluru by airline B and to that of those who travelled to Mumbai and Ahmedabad by airline D?
A
6 : 7
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B
3 : 4
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C
1 : 1
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D
7 : 6
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E
None of these
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Solution
The correct option is C 1 : 1 Required ratio = (15 + 10) : (15 + 10) = 25 : 25 = 1 : 1