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Home/ Questions/Q 6535811
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Editorial Team
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Editorial Team
Asked: May 25, 20262026-05-25T10:25:01+00:00 2026-05-25T10:25:01+00:00

Given an array [‘a’, ‘b’, ‘c’, ‘d’, ‘e’, ‘f’] , how would I get

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Given an array ['a', 'b', 'c', 'd', 'e', 'f'], how would I get a list of all subsets containing two, three, and four elements?

I’m quite new to Ruby (moving from C#) and am not sure what the ‘Ruby Way’ would be.

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  1. Editorial Team
    Editorial Team
    2026-05-25T10:25:01+00:00Added an answer on May 25, 2026 at 10:25 am

    Check out Array#combination

    Then something like this:

    2.upto(4) { |n| array.combination(n) }
    
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