Look at the series given below:
F2,?, D8, C16, B32
What number should fill in the blank?

Correct option is B

Information Given:
Series: F2, ?, D8, C16, B32

Logic:
Letters ↓ by 1, Numbers ×2

Explanation:
Logic: Alphabet decreases, number doubles

F → E → D → C → B (−1 each step)
2 → 4 → 8 → 16 → 32 (×2 each step)

Missing term = E4

Final Answer:
E4

Final Correct Option:
B