Pattern Recognition

What’s inside

• Which letter pair comes next in the pattern AZ, BY, CX, DW, ...?
• What number comes next in the sequence 3, 8, 18, 38, 78, ...?
• What number comes next in the sequence 1, 4, 10, 22, 46, ...?
• Which number breaks the pattern in this set: 16, 25, 36, 49, 63, 81?
• What symbol group comes next in the sequence ▲, ■, ▲▲, ■■, ▲▲▲, ...?
• The next number in the sequence 1, 1, 2, 3, 5, 8 is 13.
• The next number in the sequence 5, 9, 15, 23, 33 is 43.
• In the sequence 2, 5, 10, 13, 26, 29, the next number is 58.