In a school, each of the 10 teachers gets a salary of Rs 3500, and other 15 teachers, each gets a salary of Rs 4000. Find the average income of a teacher in that school.

44% of the teachers in a school are males and the number of female teachers is 42. Find the total number of teachers in the school.

In a school , the average age of students is 6 years , and the average age of 12 teachers is 40 years . If the average age of the combined group of all the teachers and students is 7 years , then the number of student is :

The average salary of the school staff in a school is Rs 4800 per month. The average salary of teachers is Rs 8000 and that of non-teachers is Rs 4000 . If the number of teachers are 6 , then find number of non-teachers in the school ?

In a company 10 employees get a salary of Rs. 36,200 each and 15 employees get a salary of Rs. 33,550 each. What is the average salary per employee ? A. 34,875 B. 34,610 C. 27,900 D. 36,410

If the ratio of male teachers to female teachers in a school is 2 : 5, find the total number of teachers in the school, if the number of female teachers in the school is 25.

The average age of 50 teachers of a school is 66 years and the average age of 60 teachers of another school is 55 years. What will be average age of teachers of both the schools together?

The tax on the income of a teacher is Rs. 360. If the income of the teacher is Rs. 24,000, find the ratio of the tax to the income.