Mathematical and Physical Journal
for High Schools
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Problem C. 1259. (December 2014)

C. 1259. I have three at least two-digit integers in mind. The number greater by one than my first number, the number greater by four than the double of my second number, and the number greater by nine than three times my third number are all equal. What is the minimum possible product of my three numbers?

(5 pont)

Deadline expired on January 12, 2015.


168 students sent a solution.
5 points:145 students.
4 points:9 students.
3 points:1 student.
2 points:7 students.
1 point:1 student.
0 point:2 students.
Unfair, not evaluated:3 solutions.

Problems in Mathematics of KöMaL, December 2014