UPSC Prelims 2019 · CSAT (Paper 2) · Q51
General Mental Ability
Medium · Number sequence
What is X in the sequence
9, 256, 25, 196, 49, 144, 81, X?
UPSC Prelims 2019 · CSAT (Paper 2) · Q51
Medium · Number sequence
What is X in the sequence
9, 256, 25, 196, 49, 144, 81, X?