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CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
  1. The number of distinct natural numbers up to a maximum of four digi...

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  2. In a three-storey building, there are four rooms on the ground floo...

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  3. Find 6C2

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  4. The number of three-digit numbers having only two consecutive digit...

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  5. Number of four-digit numbers of the form N=a b c d which satisfy fo...

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  6. Find the number of ways in which 5A^(prime)s and 6B ' s can be arrange...

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  7. If N is the number of different paths of lentght-12 which leads fro...

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  8. The number of nine nonzero digits such that all the digits in the f...

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  9. Total number of words that can be formed using all letters of the w...

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  10. The total number of five-digit numbers of different digits in which ...

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  11. The number of four-digit numbers that can be made with the digits 1...

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  12. Total numbers formed less than 3xx10^8 and can be formed using the d...

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  13. If all the permutations of the letters in the word OBJECT are arran...

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  14. The total number of six-digit natural numbers that can be made with...

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  15. Total number of six-digit number in which all and only odd digits a...

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  16. Among the 8! [permutations of the digits 1, 2, 3..., 8, consider tho...

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  17. The total number of ways of selecting two numbers from the set {1,2...

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  18. The total number of times, the digit 3 will be written when the int...

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  19. The total number of divisor of 480 that are of the form 4n+2,ngeq0,...

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  20. The total number of ways of selecting six coins out of 20 one-rupee ...

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