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In a college, the ratio of boys and girls is 5 : 3 and the ratio of girls and teachers is 7 : 1. What is the ratio of students and teachers?1). 57 : 32). 54 : 13). 26 : 14). 56 : 3 |
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Answer» The RATIO of boys and girls is 5 : 3 NUMBER of girls = (3/8) × number of students The ratio of girls and teachers is 7 : 1 Number of girls/ Number of teachers = 7/1 [(3/8) × Number of students]/Number of teachers = 7/1 Number of students/Number of teachers = 56/3 ∴ The ratio of students and teachers 56 ? 3 |
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