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How many words, with or without meaning,...

How many words, with or without meaning, can be formed using all the letters of the word EQUATION, using each letter exactly once.

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RS AGGARWAL-PERMUTATIONS-EXERCISE 8D
  1. Five letters F, K, R, T and V one in each were purchased from a plasti...

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  2. Ten students are participating in a race. In how many ways can the fir...

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  3. There are six periods in each working day of the school. In how many ...

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  4. In how many ways can 6 pictures be hung from 4 picture nails on a wall...

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  5. How many words, with or without meaning, can be formed using all the ...

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  6. Find the number of different 4-letter words (may be meaningless) that ...

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  7. How many words can be formed from the letters of the word SUNDAY? How ...

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  8. How many words beginning with C and ending with Y can be formed by usi...

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  9. Find the number of permutations of the letters of the word 'ENGLISH'. ...

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  10. In how many ways can the letters of the word 'HEXAGON' be permuted? In...

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  11. How many words can be formed out of the letters of the word, ORIENTAL,...

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  12. In how many ways can the letters of the word FAILURE be arranged so ...

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  13. In how many arrangements of the word 'GOLDEN' will the vowels never o...

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  14. In how many different ways can the letters of the word MACHINE be a...

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  15. How many permutations can be formed by the letters of the word 'VOWELS...

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  16. How many numbers divisible by 5 and lying between 3000 and 4000 can be...

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  17. In an examination, there are 8 candidates out of which 3 candidates ha...

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  18. In how many ways can 5 children be arranged in a line such that (i) ...

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  19. When a group photograph is taken, all the seven teachers should be in ...

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  20. Find the number of ways in which m boys and n boys and n girls may be ...

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