logo

Ask Questions, Get Answers

X
 

The sum of the digits in the unit's place of all the 4-digit numbers formed by using the numbers 3,4,5 and 6 , without repetition is :

$(a)\;432\qquad(b)\;108\qquad(c)\;36\qquad(d)\;18$

Please log in or register to answer this question.

Related questions

...