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There are four balls of different c...

There are four balls of different colours and four boxes of colours , same as those of the balls . The number of ways in which the balls , one each in a box could be placed such that a ball does not go to a box of its own colour is

A

6

B

9

C

8

D

24

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
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