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0 votes
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in Mathematics by (71.3k points)

The number of ways in which in a necklace can be formed by using 5 identical red beads and 6 identical black beads is

(d) None of these

1 Answer

+1 vote
by (76.5k points)
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Best answer

Correct option: (c)

Explanation:

Here the arrangement of beads are identical in both clockwise and anticlockwise.

Total arrangement 

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