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Find the number of ways of arranging 6 b...

Find the number of ways of arranging 6 boys and 6 girls in row. In how many of these arrangements.
boys and girls come alternately ?

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The correct Answer is:
`2!6!6!`
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE -1.1 SHORT ANSWER QUESTIONS
  1. Find the number of ways of arranging 6 boys and 6 girls in a row so th...

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  2. Find the number of ways of arranging 6 boys and 6 girls in row. In how...

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  3. Find the number of ways of arranging 6 boys and 6 girls in row. In how...

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  4. Find the number of ways of arranging 6 boys and 6 girls in a row so th...

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  5. Find the number of ways of arranging 5 different mathematics books, 4 ...

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  6. In how many ways 9 mathematics papers can be arranged so that the best...

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

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

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  9. In how many ways 10 persons A(1),A(2),A(3),A(4),………., A(10) can be sea...

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  10. The number of ways in which ten candidates A(1),A(2),A(3),A(4),……,A(10...

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  11. How many numbers that can be prepared using the digits 0,2,4,6,8 witho...

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  12. How many four digited numbers can be formed using the digits 1,2,5,7,8...

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  13. Find the number of 4-digit numbers that can be formed using the digits...

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  14. If the letters of the word 'RUBLE' are arranged in all possible ways a...

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  15. If the letters of the word MASTER are permuted in all possible ways an...

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  16. Find the sum of all five digited numbers that can be formed using the ...

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  17. Find the sum of all 4- digited numbers that can be formed using the di...

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

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  19. Suppose that 'n' letters are written to 'n' different persons and thei...

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

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