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Find the number of ways in which the let...

Find the number of ways in which the letters of the word DRAUGHT can be arranged so that the vowels are always together .

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CHHAYA PUBLICATION-PERMUTATION AND COMBINATION -EXERCISE 7A ( Very Short Answer Type Questions )
  1. If .^(9)P(5)+5.^(9)P(4)=^(10)P(r), find r.

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  2. In how many different ways can 4 prizes be distributed among 10 studen...

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  3. On entering a certain town ,4 travellers find that there are 5 hotels ...

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  4. 12 ferry - steamers ply between Chandpal Ghat and Botanical Garden . I...

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  5. There are 12 stations on a certain railway line . How many different k...

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  6. How many different permutations can be made by taking all the letters ...

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  7. Find the number of ways in which the letters of the word DRAUGHT can b...

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  8. How many numbers each lying between 100 and 1000 can be formed with th...

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  9. Find the number of different perpmutations that can be made out of the...

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  10. Find the number of different perpmutations that can be made out of the...

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  11. Find the number of different perpmutations that can be made out of the...

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  12. Find the number of different perpmutations that can be made out of the...

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  13. Find the number of different perpmutations that can be made out of the...

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  14. In how many ways can the letters of the name Gavaskar be arranged so t...

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  15. In how many ways can the results of 3 successive football matches be d...

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  16. In how many ways can a person post 5 letters in 4 letters boxes ?

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  17. In how many ways four prizes - one for recitation , one for sports , o...

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  18. How many three figure numbers can be formed with the digits 1,2,3,4,5,...

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  19. An unbiased coin is tossed 5 times in succession . How many different...

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  20. A six faced unbiased dice is rolled 4 times . How many different outc...

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