A locker code consists of two DIFFERENT letters chosen from A, B, C, D and E, written in order, followed by two DIFFERENT digits chosen from 1 to 8, also written in order. How many distinct locker codes can be formed in this way?
1,120
1,600
560
1,260
The verified answer and full solution are one login away
Every answer here is machine verified, with a step-by-step solution that teaches the method. Your login also unlocks a 7-question mock preview in the real exam interface.
Log in to see the answerMore permutations combinations questions