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The number of ways in which 5 beads of d...

The number of ways in which 5 beads of different colours can be made into a necklace is

A

24

B

12

C

10

D

22

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The correct Answer is:
B
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE
  1. There are 5 green balls of different shades and 4 red balls of identic...

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  2. The number of numbers greater than a million that can be formed with t...

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  3. The number of ways in which 5 beads of different colours can be made i...

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  4. The number of ways can five men sit around table so that all shall not...

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  5. Number of ways 15 persons be seated round a table if there are 7 seats...

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  6. If the letters of the word 'MIRROR' are arranged as in a dictionary, t...

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  7. The number of ways in which 5 red beeds and 4 yellow beeds of...

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  8. All the numbers that can be formed using the digits 1,2,3,4,5 a...

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  9. The sum of numbers formed by taking all the digits 2, 4, 6, 8 is

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  10. The sum of all possible numbers greater than 10,000 formed by using {1...

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  11. The sum of all the numbers greater than 10000 formed by using digits 0...

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  12. The number of ways that all the letters of the word SWORD can ...

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  13. The number of ways of 5 letters put in 5 addressed envelopes so that o...

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  14. Ravish writes letters to his five friends and addresses the correspond...

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  15. Statement-I : The number of ways of arranging the letters of the word ...

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  16. If a, b, c are the number of functions, injections, constant functions...

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  17. Match the following {:("Word","Number of permutations by using all t...

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  18. Assertion (A) : There are three doors to a room. The number of ways in...

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  19. If ""^(35)C(n+7)=""^(35)C(4n-2), then all the values of n are given by

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  20. IF ""^(15)C(r+3)=""^(15)C(2r-3), then r=

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