In a school, the ratio of boys and girls is 4 : 7 and the ratio of gir – McqOptions

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1.	In a school, the ratio of boys and girls is 4 : 7 and the ratio of girls and teachers is 13 : 2. What is the respective ratio of students and teachers?
A.	21 : 4
B.	143 : 14
C.	133 : 15
D.	31 : 5
Answer» C. 133 : 15

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