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How many 3-digit numbers can be formed f...

How many 3-digit numbers can be formed from the digits 1,2,3,4 and 5 assuming that
repetition of the digits is allowed?

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MAXIMUM PUBLICATION-PERMUTATION AND COMBINATIONS-EXAMPLE
  1. How many numbers can be formed from the digits 1,2,3 and 9 if repetiti...

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  2. How many 3-digit even numbers can be formed from the digits 1,2,3,4,5,...

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  3. How many 3-digit numbers can be formed from the digits 1,2,3,4 and 5 a...

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  4. How many 3-digit numbers can be formed from the digits 1,2,3,4 and 5 a...

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  5. How many 8 letter words, with or without meaning, can be formed using ...

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  6. Find the number of ways in which the letters of the word ASSISTANT can...

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  7. Find the number of different signals that can be made by arranging at ...

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  8. Find the value of n such that nP5=42 xx nP3,n>4

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  9. Find the value of n such that (n-1)P3 : nP4=1:9

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  10. Find the value of r if 5 xx 4Pr = 6 xx 5P(r-1)

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  11. Find the value of r if 5Pr = 6P(r-1)

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  12. The letters of the word TUESDAY are arranged in a line, each arrangeme...

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  13. The letters of the word TUESDAY are arranged in a line, each arrangeme...

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  14. Consider the word ANNAMALAI How many new words can be formed using t...

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  15. Consider the word ANNAMALAI Among the new words how many of them wil...

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  16. Find the rank of the word NAAGI, if these words are written as in a di...

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  17. A committee of 3 persons is to be constituted from a group of 2 men an...

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  18. A committee of 3 persons is to be constituted from a group of 2 men an...

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  19. It was found at a certain dinner meeting that after every member had s...

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  20. In an exam, Arjun has to select 4 questions from each part. There are ...

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