Study the given matrix carefully and select the number from among the given options that can replace the question mark (?) in it.
| 6 | 18 | 42 |
| 5 | 15 | ? |
| 7 | 36 | 61 |
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 30.
The logic used here is:
Row 1: 62 + (18 ÷ 3) = 36 + 6 = 42
Row 2: 52 + (15 ÷ 3) = 25 + 5 = 30
Row 3: 72 + (36 ÷ 3) = 49 + 12 = 61