In how many ways can a committee of be chosen from people?

Answer and explanation

Correct answer: B. 56

  1. Step 1: Apply the combination formula because the committee members are unordered.
  2. Step 2: Express the combination: .
  3. Step 3: Calculating the result gives distinct committees.
Answer
56.
Why not the others: 336 calculates permutations , erroneously treating selection order as distinct; 28 is an underestimation counting miscalculation; 24 simply multiplies total people by committee size ().

Practise more Permutations and combinations.

Free questions with an explanation for every one, and full timed JEE Main mock tests.