What number should replace the question mark? 8 : 64 :: 7 : ?
- 56
- 49
- 63
- 42
Explanation
8 : 64
→ 8 × 8 = 64 → This is 8 squared (8²).
Now apply the same logic to 7:
→ 7 × 7 = 49 → This is 7 squared (7²).
So:
8 : 64 :: 7 : 49
Correct answer: 49
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