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Ratio

Question 10 c...

Question

Question 10(c)

In a college out of 4320 students, 2300 are girls. Find the ratio of:

The number of boys to the total number of students.

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Solution

Total number of students in school = 4320

Number of girls = 2300

Therefore, number of boys = Total number of students - Number of girls

= 4320 - 2300 = 2020

Ratio of number of boys to total number of students

= $\frac{N u m b e r o f b o y s}{T o t a l n u m b e r o f s t u d e n t s}$

= $\frac{2020}{4320}$ = $\frac{101}{216}$ = $101 : 216$ [Dividing numerator and denominator by HCF of 2020 and 4300 i.e. 20]

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