Study the provided matrix carefully and determine which number from the given options should replace the question mark (?).
13 | 17 | 221
12 | 19 | 228
11 | 18 | ?
Show answer & explanation
Correct answer: B
Explanation
The pattern followed in each row is:
First number × Second number = Third number
• Row 1: 13 × 17 = 221
• Row 2: 12 × 19 = 228
• Row 3: 11 × 18 = 198
Therefore, the missing number is 198.