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In how many ways can 6 persons stand in a queue?

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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
  1. Serial numbers for an item produced in a factory are to be made using ...

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  2. From among the 36 teachers in a college, one principal, one vice-pr...

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  3. In how many ways can 6 persons stand in a queue?

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  4. There are five books on Mathematics and 6 books on Physics in a book ...

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  5. Seven athletes are participating in a race. In how many ways can the ...

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  6. If a group of n distinct objects, the number of arrangements of 4 obj...

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  7. If the letters of the word ‘MOTHER’ are written in all possible orders...

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  8. In a room there are 12 bulbs of the same wattage, each having separate...

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  9. How many different signals cab be given using any number of flags from...

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  10. It is required to seat 8 men and 4 women in a row so that the women ...

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  11. If P(n ,4)=20xxP(n ,2),find n.

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  12. If P(n ,4)=18xxP(n ,3), find n

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  13. If P(n ,4)=20xxP(n ,2), then find the value of n

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  14. If P(n ,4)=20 x P(n ,2),find n.

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  15. In how many ways can 6 persons stand in a queue?

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  16. Seven athletes are participating in a race. In how many ways can the ...

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

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  18. If 2n+1P(n-1) : (2n-1)Pn =3:5,find n

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  19. Find the number of arrangements of the letters of the INDEPENDENCE. ...

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  20. In how many ways can the letters of the word PENCIL be arranged so tha...

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