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(i) How many words can be formed with th...

(i) How many words can be formed with the letters of the word 'FAILURE', if A and F are always together?
(ii) In how many ways can 6 question papers be arranged if the best and worst papers are always together?

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The correct Answer is:
(i) 1440 (ii) 240
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NAGEEN PRAKASHAN ENGLISH-PERMUTATION AND COMBINATION -Exercise C
  1. How many words of (i) 3 letters, (ii) 4 letters, (iii) 5 letters can b...

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  2. How many words can be formed by the letters of the word 'SCHOLAR', if ...

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  3. (i) How many words can be formed with the letters of the word 'FAILURE...

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  4. How many words can be formed with the letters of the word 'GUJRAT', if...

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  5. How many words can be formed with the letters of the word 'NUMBERS', i...

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  6. How many words can be formed with the letters of the words 'TRIANGLE',...

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  7. How many words can be formed with the letters of the words 'SQUARE', w...

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  8. How many words can be formed by the letters of the word 'TUESDAY' whic...

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  9. How many words can be formed with the letters of the word 'DELHI' if E...

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  10. How many words can be formed with the letters of the word 'GANESHPURI'...

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  11. How many words can be formed with the letters of the word 'ANGLE' in w...

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  12. How many words can be formed with the letters of the word 'LUCKNOW' in...

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  13. How many even numbers of 4 digits can be formed with the digits 2,3,5,...

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  14. How many numbers of 4 digits can be formed with the digits 0,1,3,4,6 i...

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  15. How many numbers are there between 3000 and 4000 which can be formed w...

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  16. How many numbers of 5 digits can be formed with the digits 1,3,0,2,4,8...

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  17. Find the sum of all those 4 digits numbers which can be formed with th...

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  18. Find the sum of all those numbers which can be formed with the digits ...

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  19. How many numbers between 6000 and 7000 a divisible by 5 which can be f...

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  20. How many 3 digit odd numbers can be formed with the digits 1,3,5,6,8?

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