PDF chapter test TRY NOW

Roll numbers are created with a letter followed by \(3\) digits in it, from the letters \(A\), \(B\), \(C\), \(D\) and \(E\) and any \(3\) digits from \(0\) to \(9\). In how many possible ways can the roll numbers be generated? (except \(A000\), \(B000\), \(C000\), \(D000\) and \(E000\))
 
Number of possible ways \(=\)