If 8 + 1 = 81, 6 + 3 = 63, then 5 + 4 = ?
Show answer & explanation
Correct answer: C
Explanation
Given:
8 + 1 = 81
6 + 3 = 63
Pattern:
Write first number and second number together (concatenate)
8 and 1 → 81
6 and 3 → 63
Apply to:
5 and 4 → 54
Hence, the correct answer is option 3.