Question

How many different signals, each consisting of 6 lighted colored bulbs arrange vertically, can be formed from a set of 3 blue bulbs, 2 red bulbs, and a yellow bulb?
A. 60 B. 50 C. 40 D. 30

Answer 1

Answer:

720 ways

There are 720 ways in which six things can be arranged.

Each distinct arrangement is called a permutation. Permutations are computed using factorials.

Step-by-step explanation:

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