There are six teachers. Out of them tow are primary teacher, two aremiddle teachers, and two are secondary teachers. They are to stand in a row,so as the primary teachers, middle teacher, and secondary teachers areaalways in a set. Find the number of ways in which they can do so.

There are six teachers. Out of them tow are primary teacher, two aremi

1.	There are six teachers. Out of them tow are primary teacher, two aremiddle teachers, and two are secondary teachers. They are to stand in a row,so as the primary teachers, middle teacher, and secondary teachers areaalways in a set. Find the number of ways in which they can do so.
Answer» Correct Answer - 48 There are 2 primary teachers. They can stand in a row together in 2!=2 ways. There are 2 middle teachers. They can stand in a row together in 2!=2 ways. There are 2 secondary teachers. They can stand in a row together in 2!=2 ways. These three sets can be arranged in 3!=6 ways Hence, the required number of ways `=2xx2xx2xx6=48`

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There are six teachers. Out of them tow are primary teacher, two aremiddle teachers, and two are secondary teachers. They are to stand in a row,so as the primary teachers, middle teacher, and secondary teachers areaalways in a set. Find the number of ways in which they can do so.

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