Out of 36 teachers in a school one principal and one vice principal has been selected. In how many ways this can be done?

From among the 36 teachers in a school, one principal and one vice principal are to be appointed. In how many ways can this be done?

From among the 36 teachers in a school, one principal and one vice-principal are to be appointed. In how many ways can this be done?

From among the 36 teachers in a school,one principal and one vice principal are to be appointed.In how many ways can this be done?

From among the 36 teachers in a school, one principal and one vice-principal are to be appointed. In how many ways can this be done?

From among the 36 teachers in a college, one principal, one vice-principal and the teacher-incharge are to be appointed. In how many ways can this be done?

From among the 36 teachers in a college,one principal,one vice-principal and the teacher- incharge are to be appointed.In how many ways can this be done?

A question paper has two parts A and B. Part A has 4 questions and B has 3 questions. One question from either part has to be selected. In how many different ways can this selection be made?

There are four teachers and five classes in a school. One teacher teaches only one class at a time. In how many ways can the teachers choose the classes?

The math team at East High has 20 members .They want to choose a president , vice president, and treasurer . In how many ways can this be done ?