Puzzle (Answer below)
Can you Crack the New Safe Combination?
Can you Solve the BrainXChallenge?
Skills
Attention to Detail, Critical Thinking, Information Processing, Pattern Identification, Logical Thinking
Answer
The difference between pairs of numbers is 13, 14, 15 (e.g. 12+13=25;25=14=39;39+15=54; for 12253954; and between the staring number in rows of 9, for 21+13=34; 34+14=48; 48+15=63; so the Answer is 30435772
