Answers Binomial Coefficient Calculator

What is 25C3?

This is a binomial coefficient question. 25C3 means choose 3 items from 25 distinct items without repetition and without regard to order.

Exact result

2,300

The binomial coefficient C(25, 3) is 2,300.

25C3 counts unordered groups of 3 drawn from 25 distinct items. It is the same value as 25 choose 3.

Worked steps

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  1. Inputs: n = 25, r = 3
  2. Formula: C(n, r) = nCr = n! / r!(n - r)!
  3. Substitute: C(25, 3) = 25! / (3!(25-3)!)
  4. Steps: 15,511,210,043,330,985,984,000,000 / (6 x 1,124,000,727,777,607,680,000)
  5. Result: The binomial coefficient C(25, 3) is 2,300.

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25C3 counts unordered groups of 3 drawn from 25 distinct items. It is the same value as 25 choose 3.

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