If 5/9 of the members of the school chorus are boys. What is the ration of girls to boys in the chorus?
Solution
Correct Answer: Option B
ধরি, মোট student (boys + girls) হল 9 জন
9 জনের মধ্যে 5/9 জন হল boys = 9 × (5/9) = 5 জন
∴ girls = ( 9 - 5) = 4 জন
∴ girls /boys= 4/5
9 জনের মধ্যে 5/9 জন হল boys = 9 × (5/9) = 5 জন
∴ girls = ( 9 - 5) = 4 জন
∴ girls /boys= 4/5
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