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Q. Idioms/ Phrases for : Reinventing the wheel ?
  • (A) Examining circumstances that have already been understood
  • (B) Wasting one’s time for things that have already been satisfactorily done
  • (C) Analysing various factors of happenings
  • (D) Disturbing the system which has already been in use
✅ Correct Answer: (B) Wasting one’s time for things that have already been satisfactorily done

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