Suppose You Want To Arrange Your English, Hindi, Mathematics, History

1.	Suppose You Want To Arrange Your English, Hindi, Mathematics, History, Geography And Science Books On A Shelf. In How Many Ways Can You Do It?
Answer» We have to ARRANGE 6 BOOKS. The number of PERMUTATIONS of n OBJECTS is n! = n. (n – 1) . (n – 2) ... 2.1 Here n = 6 and therefore, number of permutations is 6.5.4.3.2.1 = 720. We have to arrange 6 books. The number of permutations of n objects is n! = n. (n – 1) . (n – 2) ... 2.1 Here n = 6 and therefore, number of permutations is 6.5.4.3.2.1 = 720.

Suppose You Want To Arrange Your English, Hindi, Mathematics, History, Geography And Science Books On A Shelf. In How Many Ways Can You Do It?

Answer»

We have to ARRANGE 6 BOOKS.

The number of PERMUTATIONS of n OBJECTS is n! = n. (n – 1) . (n – 2) ... 2.1

Here n = 6 and therefore, number of permutations is 6.5.4.3.2.1 = 720.

We have to arrange 6 books.

The number of permutations of n objects is n! = n. (n – 1) . (n – 2) ... 2.1

Here n = 6 and therefore, number of permutations is 6.5.4.3.2.1 = 720.