Question
Download Solution PDFIn a class, the ratio of boys to girls is 5 : 4. If there are 45 boys, how many girls are there in the class?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Ratio of boys to girls = 5 : 4
Number of boys = 45
Formula used:
If the ratio of boys to girls is 5:4, then:
Number of girls = (Number of boys × Ratio of girls) ÷ Ratio of boys
Calculation:
Number of girls = (45 × 4) ÷ 5
⇒ Number of girls = 180 ÷ 5
⇒ Number of girls = 36
∴ The correct answer is option (2).
Last updated on Apr 24, 2025
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