There are two red and three green garlands. They are connected in series to decorate the assembly hall.
| November 23, 2020 | education
There are two red and three green garlands. They are connected in series to decorate the assembly hall. How many different combinations of compounds can you get?
Answer: 10.
To solve the problem, you need to write down the formula for the number of combinations: n = 5, k = 2. Then we get the ratio 5! to (2! * 3!). That is, just 10.
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