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Five boys and five girls sit alternately around a round table. In how many ways can this be done?

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Five boy and five girls sit alternately around a round table. In how many ways can this be done?

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CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
  1. A delegation of four students is to be selected from al total of 12 ...

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  2. In a conference 10 speakers are present. If S1 wants to speak before S...

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  3. Five boys and five girls sit alternately around a round table. In how ...

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  4. Find the number of ways in which A A A B B B can be places in the squa...

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  5. A regular polygon of 10 sides is constructed. In how many way can 3...

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  6. In ;a plane, there are 5 straight lines which will pass through a give...

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  7. If ^15 C(3r):^(15)C(r+1)=11 :3 , find the value of rdot

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  8. If the ratio ^2n C3:^n C3 is equal to 11:1 find ndot

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  9. There are n married couples at a party. Each person shakes hand with e...

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  10. Twenty-eight games were played in a football tournament with each team...

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  11. In a certain an algebraical exercise book there and 4 examples on a...

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  12. In a network of railways, a small island has 15 stations. Find the ...

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  13. A person tries to form as many different parties as he can, out of his...

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  14. Find the number of ways of selecting 3 pairs from 8 distinct objects.

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  15. Out of 10 consonants and 4 vowels, how many words can be formed each ...

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  16. In how many of the permutations of n thing taken r at a time will thre...

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  17. If ^(22)P(r+1):^(20)P(r+2)=11 : 52 ,find r

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  18. If ^(56)P(r+6):^(54)P(r+3)=30800 :1, find r.

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  19. Five persons entered the lift cabin on the ground floor of an 8-floor ...

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  20. In how many ways first and second rank in mathematics, first and secon...

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