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Find the number of ways in which 5 red b...

Find the number of ways in which 5 red balls, 4 black balls of different sizes can be arranged in a row so that
no two balls of the same colour come together.

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The correct Answer is:
arrangements =4! 5!
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-PERMUTATIONS AND COMBINATIONS-TAXTUAL EXERCISES
  1. Find the number of 5 letter words that can be formed using the letters...

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  2. Find the number of ways of seating 10 students A(1), A(2)…..A(10) in a...

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  3. Find the number of ways in which 5 red balls, 4 black balls of differe...

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  4. Find the number of ways in which 5 red balls, 4 black balls of differe...

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  5. Find the number of 4 - digit numbers that can be formed using the digi...

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  6. If the letters of the word BRING are permuted in all possible ways and...

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  7. Find the sum of all 4 digited numbers that can be formed using the dig...

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  8. There are 9 objects and 9 boxes. Out of 9 objects, 5 cannot fit in thr...

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  9. Find the number of 4- digited numbers that can be formed using the dig...

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  10. Find the number of 5 letter words that can be formed using the letters...

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  11. Find the the number of functions from a set A containing 5 elements in...

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  12. Find the number of palindromes with 6 digits that can be formed using ...

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  13. Find the number of 4 - digit telephone numbers that can be formed usin...

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  14. Find the number of bijections from a set A containing 7 elements onto ...

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  15. Find the number of ways of arranging 'r' things in a line using the gi...

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  16. Find the number of 5 letter words that can be formed using the letters...

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  17. Find the number of 5 - digit numbers divisible by 5 that can be formed...

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  18. Find the number of numbers less than 2000 that can be formed using the...

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  19. 9 Different letters of an alphabet are given. Find the number of 4 let...

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  20. Find the number of 4 - digit numbers which can be formed using the dig...

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