RRB NTPC · Question 100
Select the number from among the given options that can replace the question mark in the following matrix.
| 14 | 12 | 10 | 8 |
|---|---|---|---|
| 10 | 8 | 2 | 4 |
| 8 | 14 | 6 | 16 |
| 12 | 18 | 14 | ? |
Show answer & explanation
Answer: (D) 20
Explanation
As per the official RRB key, the missing number is 20. (No single simple row or column rule fits every cell of the printed matrix, so the official answer is taken here.)