Question 26
Alex starts with a two-digit number, triples it, and writes that result after the original number. He obtains a six-digit number. Which listed number must divide the final result?
Original options (preserved):
A. 2
B. 5
C. 7
D. 9
E. 11
Editorial note: Explain whether the six-digit construction is possible, and distinguish any additional convention needed for the source answer. The rubric is editorial.
Original options (preserved):
A. 2
B. 5
C. 7
D. 9
E. 11
Editorial note: Explain whether the six-digit construction is possible, and distinguish any additional convention needed for the source answer. The rubric is editorial.