Question

if the number 517*324 is completely divisible by 3, then what is the smallest whole number that could replace the *?​

Answer 1

2

Explanation:

5+1+7+x+3+2+4=x+22

x+22 is divisible by 3,

multiple of 3 are 3,6,9,12,15,18,21,24,27,...

if x=2 ,then x+22=2+22=24

so smallest number is 2