A. 40320

B. 10080

C. 78620

D. 20160

Answer & Solution

8!/2!

= 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1/(2 x 1)

Cancel 2 by 2 we get

=8 x 7 x 6 x 5 x 4 x 3

=20160 permutations.

**Option: D**

**Explanation :**Pakistan has total 8 letters and 2 letters are repeated, so that permutations formula gives:

8!/2!

= 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1/(2 x 1)

Cancel 2 by 2 we get

=8 x 7 x 6 x 5 x 4 x 3

=20160 permutations.

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