If 4 → 16 and 7 → 49, then 9 → ?
- A.81 ✓
- B.27
- C.82
- D.18
Explanation: Each number maps to its own square (4→16, 7→49), so 9 → 9² = 81.
Class 6 IMO Mathematics Olympiad practice · Patterns & Sequences · Number & Letter Sequences
← All Number & Letter Sequences questions