The total number of three-digit numbers, divisible by 3, which can be formed using the digits $1,3,5,8$, if repetition of digits is allowed, is (1) 21 (2) 20 (3) 22 (4) 18
The total number of three-digit numbers, divisible by 3, which can be formed using the digits $1,3,5,8$, if repetition of digits is allowed, is\\
(1) 21\\
(2) 20\\
(3) 22\\
(4) 18