📐 Mathematics · Permutations and Combinations · JEE

How many 3-letter words from ABCDE (letters not repeated)?

Answer: 60.

Correct answer: C. 60

Explanation: 5P3 = 5×4×3 = 60.

Counting tree for selecting 2 items from {A, B, C} without repetition: 3 x 2 = 6 ordered arrangements.

Concept context

Counting, arrangements, and selections