Question

In a class, the number of girls is 20 and number of boys is 25. What is the ratio of girls to total students? a) 4:5 b) 4:9 c) 5:9 d) none​

Answer 1

Answer:

Number of girls = 20

Total number of students in a class = 20+25

= 45

Ratio = number of girls / total number of students

= 20/ 45

= 4/9

Hence , ratio is 4/9

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Answer 2

Correct option is

C

14:11

Let the no. of total student in the class is 100 and number of boy be x

Now, 12% of the 100 is 12

Then, number of girl is x−12.

Total number of student is x+(x−12)=100

Therefore, x=56

Then, the no. of boys =56

And no. of girls =44

Boys:Girls =56:44=14:11