Study the given pie chart and answer the question that follows.
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?
Answer & explanation
Correct answer: option 1
Number of boys in C = \(\frac{6}{11}\) × \(\frac{79.2}{360}\) × 9000
= 1080
Number of Girls in B = \(\frac{11}{18}\) × \(\frac{64.8}{360}\) × 9000
= 990
Required ratio , 1080 : 990
= 12 : 11