Question

If 6 # 8 = 10 and 5 # 12 = 13, then 9 # 40 = ?

• A. 47
• B. 63
• C. 41
• D. 53

Answer 1

Answer:

C. 41

6 # 8 = (6)² + (8)² = 100 = (10)²

5 # 12 = (5)² + (12)² = 169 = (13)²

9 # 40 = (9)² + (40)² = 1681= (41)²