A code ward of length 4 consists two distinct consonant in the English alphabet followed by two
Channel: Doubtnut
Date: 2020-05-24

A code ward of length 4 consists two distinct consonant in the English alphabet followed by two digits from 1 to 9 with repetition allowed in digits. If the number of code wards so formed ending with an even digit is 432`xx`k, then k is equal to