Related Questions

There are six teachers. Out of them two are primary teachers and two are secondary teachers. They are to stand in a row, so as the primary teachers, middle teachers and secondary teachers are always in a set . The number of ways in which they can do so, is-
A 52
B 48
C 34
D None of these
The present ratio of students to teachers at a certain school is 30 to 1. If the number of students were to increase by 50 and that of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?
A 8
B 10
C 12
D 15
The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?
A 8
B 10
C 12
D 15
The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers ?
A 5
B 8
C 10
D 12
Two-thirds of the teachers of high school are women, twelve of the male teachers are unmarried while 3/5 of the male teachers are there in the school?
A 30
B 90
C 60
D 72
The persent ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teacher?
A 15
B 10
C 12
D 8
A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed 5 teachers and 10 students is :
A 220
B 5,100
C 2,100
D 3,200
A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed from 5 teachers and 10 students is :
A 220
B 5,100
C 2,100
D 3,200
If a school has 24 teachers and 480 students what is the ratio of teachers to students
A 1 : 21
B 1 : 20
C 1 : 23
D 1 : 24
Khulna University has astudent -to teacher ratio of 11 to 1. The average annual salary of the teachers is Tk. 26,000. If the university pays a total of 33,80,000 in annual salaries to its teachers, how many students the university have?
A 1130
B 1265
C 1430
D 1575

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