Answer Posted / ashish dwivedi

Rachit
firstly we arrange as the alphabetically
then achirt
R a c h i t
5!*4 4!*0 3!*0 2!*0 1!*0 0!*0


here we get 5!*4 = 480
but we got 480 arrangement before Rachit so Add 1
bcoz here not including Rachit so finally ans is 481

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