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  1. Combination - Wikipedia

    In mathematics, a combination is a selection of items from a set that has distinct members, such that the order of selection does not matter (unlike permutations).

  2. Combinations and Permutations - Math is Fun

    When the order doesn't matter, it is a Combination. When the order does matter it is a Permutation. So, we should really call this a "Permutation Lock"! In other words: A Permutation is an ordered …

  3. Combinations Calculator (nCr)

    Aug 1, 2025 · Basically, it shows how many different possible subsets can be made from the larger set. For this calculator, the order of the items chosen in the subset does not matter. There are n! ways of …

  4. Combinations - Definition, Formula, Examples, FAQs - Cuemath

    Combinations are selections made by taking some or all of a number of objects, irrespective of their arrangements. The number of combinations of n different things taken r at a time, denoted by nCr. …

  5. COMBINATION Definition & Meaning - Merriam-Webster

    The meaning of COMBINATION is a result or product of combining; especially : an alliance of individuals, corporations, or states united to achieve a social, political, or economic end.

  6. Intro to combinations (video) - Khan Academy

    These 120 permutations can be divided into groups, such that each group consists of the permutations that represent the same combination. Since we are choosing three people, each group would consist …

  7. Combination - Math.net

    In mathematics, a combination refers to a selection of objects from a collection in which the order of selection doesn't matter. Think of ordering a pizza.

  8. All Possible Combinations And Permutations Generator

    Enter a custom list Get Random Combinations It may take a while to generate large number of combinations. Click on Go, then wait for combinations to load. Then click on 'download' to download …

  9. Definition of Combination in Math - BYJU'S

    In mathematics, a combination is a way of selecting items from a collection where the order of selection does not matter. Suppose we have a set of three numbers P, Q and R. Then in how many ways we …

  10. Permutations and Combinations - GeeksforGeeks

    Jan 10, 2026 · A combination is selecting items without considering order. For example, in the diagram below, PQ and QP are different in permutation but the same in combination. Therefore, we have …