engineering mathematics MCQ #4011

In how many ways can 6 people be divided into 3 groups of 2?

engineering mathematics MCQ #4011

  1. Question 1

    Q1. In how many ways can 6 people be divided into 3 groups of 2?

    • A) 15
    • B) 90
    • C) 45
    • D) 10

    Answer: 15

    Explanation: First, choose 2 out of 6, then 2 out of 4, and the last 2 are fixed. Total = 6C2 * 4C2 / 3! = 15