Question 15
If the 7-digit number 123AB45 is divisible by 99, then what is A + B?
A. 3
B. 6
C. 9
D. 12
E. None of the above
**Editorial note for this self-study exercise:** A and B are single decimal digits, each from 0 to 9, and may be zero. Enter A + B, not the seven-digit number or a choice letter.
A. 3
B. 6
C. 9
D. 12
E. None of the above
**Editorial note for this self-study exercise:** A and B are single decimal digits, each from 0 to 9, and may be zero. Enter A + B, not the seven-digit number or a choice letter.