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Fundamental Counting & Permutations

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  1. 1.

    How many 3-digit numbers can be formed from {1,2,3,4,5} without repetition?

  2. 2.

    7 people sit around a circular table. The number of arrangements is:

  3. 3.

    The number of ways to arrange "INDIA" is:

  4. 4.

    If nP3 = n(n-1)(n-2), the value of 6P3 is:

  5. 5.

    The number of ways to arrange the letters of "APPLE" is:

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