हिंदी

In a school, the boys and girls are in the ratio $$9 : 5$$. If there are 425 girls, what is the total number of students in the school?

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प्रश्न

In a school, the boys and girls are in the ratio $$9 : 5$$. If there are 425 girls, what is the total number of students in the school?

योग
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उत्तर

Let the number of boys be $$9x$$ and girls be $$5x$$. 

Given number of girls = $$5x = 425$$. $$x = \frac{425}{5} = 85$$ 

Total number of students = $$9x + 5x = 14x$$. 

Total students = $$14 \times 85 = 1190$$. 

Therefore, the total number of students in the school is 1190.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Ratio and Proportion - EXERCISE 7A [पृष्ठ ९४]

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आर.एस. अग्रवाल Mathematics [English] Class 10 ICSE
अध्याय 7 Ratio and Proportion
EXERCISE 7A | Q 36. | पृष्ठ ९४
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