If 3 + 2 = 15, 4 + 3 = 28, what is 5 + 4?
Show answer & explanation
Correct answer: A
Explanation
Pattern: (First + Second) × First
(3 + 2) × 3 = 5 × 3 = 15
(4 + 3) × 4 = 7 × 4 = 28
Now apply:
(5 + 4) × 5 = 9 × 5 = 45
Hence, the correct answer is option 1.