The Sour Rangers are an elite fighting force that protects the earth from the fo

Question

The Sour Rangers are an elite fighting force that protects the earth from the forces of the evil Lord Why, whose incessant questions since the age of five have led him to be recognized as the most terrifying criminal in the history of the galaxy. In order to fight the monster of the week, the Sour Rangers must use their giant mechs, which will inevitably be too weak to handle it. At this point, they must combine their individual mechs to form a new hypermech! Mechs combine in a specific order, and each distinct order results in a different hypermech. If there are six Sour Rangers, how many possible hypermechs are there?

Explanation / Answer

combining 2, 6P2 = 30 3 -> 6P3 = 120 4 -> 6P4 = 360 5 -> 6P5 = 720 6 -> 6P6 = 720 Total = 1950

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