Question:
DEF, DEF₂, DE₂F₂, _ _ _ _
DEF, DEF₂, DE₂F₂, _ _ _ _
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In mixed letter–number series:
• Track increment of subscripts stepwise
• Often one element increases at a time
Updated On: Mar 19, 2026
- DEF₃
- D₃EF₃
- D₂F₃
- D₂E₂F₂
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Observe the subscripts. beginaligned DEF &→ D¹E¹F¹
DEF₂ &→ D¹E¹F²
DE₂F₂ &→ D¹E²F² endaligned
Step 2: The power of letters increases alternately. Next increase is for D: D²E²F³ ⟹ D₂F₃
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