COMBINA

R eturns the number of possible combinations within a given set of items, with repetitions included. For example, in a set of 3 items A, B, C, if 2 are chosen, the combinations can be AB, AA, AC, BB, BC and CC, so it returns 6 a s the result.

Syntax

COMBINA(n; k)

n: Number of items in the set. Must be greater than k. Eg., 24

k: Number of items to choose for each combination. Eg., 6

Examples

Formula	Result
=COMBINA(11;2)	66
=COMBINA(24;6)	475020
=COMBINA(12;12)	1352078

Get a hands-on experience of the function in the embedded range below.

Possible Errors

Errors	Meaning
#N/A!	The function could not find the value it was asked to look for. Commonly occurs in VLOOKUP and similar functions.
#NAME!	The function name is incorrect or invalid. The given defined name (if any) is invalid. There is a typo in the defined name used in the function. Double quotes are missing for text values in the function. Colon missing in a cell range reference.
#VALUE!	The given argument's data type is incorrect or invalid. For example, the function =DATE(A1:A3) will return a #VALUE error when a text value is present in the range.
#REF!	The given cell reference is incorrect or invalid. This error may occur when a cell/range has been deleted, moved, or pasted over.
#NUM!	The value of k is greater than n. The value of k or n is less than 0.

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