There are many houses on Warp Drive in Kirk, Missouri. Ninety houses have cable TV. Fifty-two houses have a pool. Sixty-eight are one-story houses. There are 49 houses that have a pool and cable TV There are 43 one-story houses with pools. There are 57 one-story houses with cable TV. There are 42 one-story houses with cable TV and a pool. And there are 4 houses that are not one-story and do not have a pool or cable TV.
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
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