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How many words can be formed with the le...

How many words can be formed with the letters of the word 'DELHI' if E and H never occur together?

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NAGEEN PRAKASHAN-PERMUTATION AND COMBINATION -Exercise C
  1. How many words can be formed with the letters of the word 'GUJRAT', if...

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

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

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

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

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

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

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

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  9. How many words can be formed with the letters of the word LUCKNOW in w...

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

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

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

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

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

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

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

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

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  18. How many numbers lying between 100 and 1000 can be formed with the ...

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  19. In how many ways 7 men and 7 women can be seated around a round table ...

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  20. In how many ways 3 books of Mathematics, 4 books of Physics and 2 book...

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