What comes next in the sequence: 2, 4, 8, 16?

Identify the next number in this pattern: 5, 10, 20, 40?

What is the next letter in this sequence: A, C, E, G?

Find the next term in the sequence: 3, 9, 27, 81?

Determine the next number: 1, 1, 2, 3, 5, 8?

What is the next number in this arithmetic sequence: 7, 14, 21, 28?

What comes next in the sequence: 10, -20, 40, -80?

Identify the next term in the sequence: 1, 4, 9, 16?

What is the next number in this pattern: 100, 90, 80, 70?

Find the next term in this geometric sequence: 3, 6, 12, 24?