Answers Combination With Repetition Calculator

How many 3 scoop combinations can you make from 5 flavors if repeats are allowed?

This is combination with repetition because order does not matter but the same flavor can appear more than once.

Exact result

35

5 choose 3 with repeats allowed is 35.

A bowl with mango-mango-pear is allowed, and mango-pear-mango is the same bowl.

Worked steps

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  1. Inputs: n = 5, r = 3
  2. Formula: C(n + r - 1, r) = (n + r - 1)! / (r!(n-1)!)
  3. Substitute: C(5 + 3 - 1, 3) = (5 + 3 - 1)! / (3!(5-1)!)
  4. Steps: 5,040 / (6 x 24)
  5. Result: 5 choose 3 with repeats allowed is 35.

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A bowl with mango-mango-pear is allowed, and mango-pear-mango is the same bowl.

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