DEF, DEF2, DE2F2, _____, D2E2F3
A. DEF3
B. D3EF3
C. D2E3F
D. D2E2F2
Answer: Option D
Solution (By Examveda Team)
In this series, the letters remain the same: DEF.The subscript numbers follow this series:
111, 112, 122, 222, 223, 233, 333, ...
This Question Belongs to Competitive Reasoning >> Letter And Symbol Series
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