1.

If the ratio of the number of boys to that of girls in school C is 6 : 5 and that in school B is 7 : 11,then what is the ratio of the number of boys in school C to the number of girls in school B?

A. 10 : 11
B. 11 : 10
C. 12 : 11
D. 11: 12
Answer» D. 11: 12


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