Question

There are 2500 students in a school out of them 1100 are girls and the rest are boys find the ratio of: (1) number of boys to number of girls.(2) number of girls to number of students (3) number of students to number of boys.

Answer 1

no. of boys to nom of girl=2500-1100/1100→1400/1100=14/11
no. of gurls to no. of boys=11/14
no. of students to boys are 25/14
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Answer 2

Given,

• Total number of students = 2500
• Number of g-i-r-l-s = 1100
• Number of boys = 1400

To find,

We have to find the ratio of

• number of boys to number of g-i-r-l-s
• number of g-i-r-l-s to number of students
• number of students to the number of boys

Solution,

There are 2500 students in a school out of them 1100 are g-i-r-l-s and the rest are boys then the ratio of the number of boys to the number of g-i-r-l-s is 14:11, the number of g-i-r-l-s to the number of students is 11:25, and the number of students to the number of boys is 25:14.

(1) Number of boys = 1400

   Number of g-i-r-l-s = 1100

    Ratio = number of boys / number of g-i-r-l-s

              = 1400 /1100

              = 14:11

(2) Number of g-i-r-l-s = 1100

    Number of students = 2500

                             Ratio = number of g-i-r-l-s / total number of students

                                       = 1100 / 2500

                                       = 11:25

(3) Number of students = 2500

    Number of boys = 1400

                       Ratio = number of students/number of boys

                                 = 2500/1400

                                 = 25:14

Hence, there are 2500 students in a school out of them 1100 are g-i-r-l-s and the rest are boys then the ratio of the number of boys to the number of g-i-r-l-s is 14:11, the number of g-i-r-l-s to the number of students is 11:25, and the number of students to the number of boys is 25:14.