Question:medium

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
Show Solution

The Correct Option is C

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