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If the letters of the word 'RUBLE' are a...

If the letters of the word 'RUBLE' are arranged in all possible ways and the words thus formed are arranged in the dictionary order then find the rank of 'LUBER'

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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 row. In how...

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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 a row so th...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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