Related Questions

The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?
A 87
B 11
C 12
D 15
The ratio between boys and girls in a class is 2 : 5 . If 2 boys leave and 4 girls join the class, the ratio of the boys to the girls becomes 1 :4 what is the original number of girls in the class?
A 15
B 20
C 18
D 25
In a class of 60 students, the number of boys and girls participating in the annual sports is in the ratio 3 : 2 respectively. The number of girls not participating in the sports is 5 more than the number of boys not participating in the sports. If the number of boys participating in the sports is 15, then how many girls are there in the class ?
A 20
B 25
C 30
D Data inadequate
The ratio of boys to girls in a class 2/5. If 2 boys leave and 4 girls join the class, the ratio of the boys to the girls becomes 1/4. Originally, how many girls were in the class?
A 16
B 20
C 21
D 24
In a class , the number of girls is 20% more than that of boys. The strength of the class is 66. If 4 more girls are admitted to the class , the ratio of the number of boys to that of the girls is -
A 1:2
B 1: 4
C 3 :5
D 3 : 4
In a certain class 40% of the students are girls, and 20% of the girls wear glasses. What percent of students in the class are girls who wear glasses.
A 6%
B 8%
C 20%
In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of students. What is the ratio of the number of boys to the number of girls in the class?
A 1:4
B 1:3
C 1:2
D 2:3
In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of students. What is the ratio of the number of girls in the class?
A 1 : 4
B 1 : 3
C 1 : 2
D 2 : 3
In a class of 60 students there are 30 girls. The average weight of these girls is 58 Kg and average weight of the full class is 63 kgs. What is the average weight of the boys of the class?
A 67
B 66
C 68
D 65
In a class of 60 students, 20 students like Math, 25 students like English and 30 students like Science. If 5 Students like both Math and Science, 8 Students like both English and Science and 3 students like neither of these subjects, how many students like all of the three subjects?
A 2
B 3
C 4
D 5

Next steps