Which of the following letter clusters will replace the question mark (?) in the given series to make it logically complete?
HP16, ?, NV64, QY100, TB144
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. KS36.
HP16, ?, NV64, QY100, TB144
HP, KS, NV, QY, TB
16, 36, 64, 100, 144
16 = (4)2; 36 = (6)2; 64 = (8)2; 100 = (10)2; 144 = (12)2