Question #30789
I would like to know how many combinations of 4 there are in numbers 1 to 15?
Expert's answer
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#339914 on Dec 2023
#339914 on Dec 2023
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Here we have 15 numbers and hence n=15 We are taking 4 numbers at a time and that gives us r=4 nCr = n!/(n-r)! r! That gives us, 15!/(15-4)! 4! So, the answer is 1365.