5. Out of 40 children in a class 25 are boys and the remaining are gris. Find the 2000
a. Boys to girls.
b. Boys to total number of children.
c. Total number of children to girls.
Answers
Answer :
Total number of students = 40
Total number of boys = 25
Total number of girls = Total number of students - Total number of boys
= 40 - 25
= 15 girls
Therefore, there are 15 girls.
a) Total number of boys : Total number of girls
25 : 15
5 : 3 (Simplest Form)
Therefore, 5 : 3 is the ratio of boys to girls.
b) Total number of boys : Total number of students
25 : 40
5 : 8 (Simplest Form)
Therefore, 5 : 8 is the ratio of boys to total number of students.
c) Total number of students : Total number of girls
40 : 15
20 : 5
4 : 1 (Simplest Form)
Therefore, 4 : 1 is the ratio of total number of students to girls.
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