A 10- storey building is to be painted with some 4 different colors such that each storey is painted with one Color. it is not necessary that all the colors must be used. how many ways are there to. paint the building if
(i) there are no other restrictions?
(ii) any 2 adjacent stories must be painted with different colors? with solution
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Answer:
(ii) I don't know
hope (i) helps you.
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