One website offers 18 items for a different product every day The color you are interested in is on sale today. a) This product is on the first sale after exactly 10 days from now what is the date b) If it is known that the product is not available for sale in the next five days, it will be 16 days from now. What is the first sale after it finishes?
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.
One website offers 18 items for a different product every day The color you are interested in is on sale today.
a) This product is on the first sale after exactly 10 days from now what is the date
b) If it is known that the product is not available for sale in the next five days, it will be 16 days from now. What is the first sale after it finishes?
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