In how many ways can 3 seats be occupied if 5 people are willing to…

In how many ways can 3 seats be occupied if 5 people are willing to sit?

Correct Answer: Option A

Explanation

5 people can take 3 places in;⁵P₃ ways, = (frac{5!}{(5 – 3)!}) = (frac{5!}{2!})
= (frac{5 times 4 times 3 times 2!}{2!})
= 5 x 4 x 3
= 60 ways

There is an explanation video available below.