Choose the letters or group of letters which is different from others.
AH
BT
CQ
DZ
AH
BT
CQ
DZ
Related Questions:
In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.
7 |
3 |
2 |
49 |
6 | 5 | 1 | 36 |
3 | 7 | 4 | ? |