Question

The sum of all the numbers of four different digits that can be made by using the digits $0,1,2$ and $3$ is

• A. $26664$
• B. $39996$
• C. $38664$
• D. None of these

Answer 1

The correct option is C $38664$

The numbers, will be
$1023,1032,1203,1230,1302,1320$ ...(i)
$2013,2031,2103,2130,2310,2301$ ...(ii)
$3012,3021,3102,3120,3210,3201$ ...(iii)
Adding all the numbers, we get
$38664$