Question

The sum of all possible numbers consisting of three digits formed out 1,2,3,4,5, no digit being repeated in any
number is

• A. 19980
• B. 99900
• C. 39960
• D. 39900

Answer 1

The correct option is A 19980

${}^4{P}_2(1+2+3+4+5)\left(111\right)=19980$