Q. 175.0( 2 Votes )

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?

Answer :

Given: 36 teachers are there in a school.


To find: Number of ways in which one principal and one vice-principal can be appointed.


There are 36 options of appointing principal and 35 option of appointing vice-principal since same teacher cannot be appointed as principal and vice-principal.


Total number of ways=36 × 35=1260


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