Question

How many ways can the letters of the word EIGHT be arranged if the first letter must be an E?

A.
720
B.
120
C.
24
D.
5

Answer 1

Answer: C

Explanation:

1st letter (E) 2nd letter 3rd letter 4th letter 5th letter

₁C₁ ₄C₁ ₃C₁ ₂C₁ ₁C₁

1 x 4 x 3 x 2 x 1 = 24

or

₁P₁ x ₄P₃

1 x 24 = 24