What is the leastvalue of x. So that 23x57 is divisible by 3? Choose the correct choice
A) 3
B) 4
C) 1
D) 5
E) 6
The sum of the digits of the number is divisible by 3, then the number is divisible by3.   2 + 3 + x + 5 + 7 = 17 + x   Least value of x may be 1   Therefore  17 + 1= 
<gadget id="calculator"> 17 + 1</gadget>
<output>18</output>
18 is divisible by 3.   1
<result>C</result>
What is the leastvalue of x. So that 23x57 is divisible by 3?