railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Logical Reasoning Missing Number Missing Number in Matrix
संख्या त्रय को पूरा कीजिए:
|
12 |
20 |
28 |
|
21 |
19 |
? |
|
31 |
21 |
1 1 |
1
8
2
17
3
12
4
15