Select the option in which the pair of letter-clusters share the same relationship as that shared by the given pair of letter-clusters.
TANK : NATK :: ?
Answer & explanation
Correct answer: option 3
1 2 3 4 5 6 7 8 9 10 11 12 13
A B C D E F G H I J K L M
↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
Z Y X W V U T S R Q P O N
26 25 24 23 22 21 20 19 18 17 16 15 14
TANK : NATK :: ?
THE LOGIC FOLLOWED HERE IS;

Thus, PING : NIPG is correct.