Question

A code word is to consist of 2 distinct English vowels followed by 2 distinct numbers betweeen 1 and 5 . Total possible code words is

Answer 1

Step-by-step explanation:

There are in all 5 vowels English alphabets. We have to choose 2 distinct alphabets.

First alphabet can be selected in 5 ways. Second alphabet can be selected in 4 ways. Again out of 5 Digits (1 to 5), first digit can be selected in 5 ways. second digit can be selected in 4 ways.

Thus, the number of distinct codes

=5×4×5×4

=400