Fill in the blank with the correct word from the options given below:-

Sara was so _____ that she did not take much time to make up her mind.

impetuous

The correct answer is Option (2) → impetuous

Impetuous (Adjective): Acting or done quickly and without thought or care; impulsive. This matches the context of someone making a rapid decision ("did not take much time to make up her mind").

• Impervious (Adjective): Not allowing fluid to pass through; unable to be affected by. (Unrelated to quick decision-making.)

• Inarticulate (Adjective): Unable to express one's ideas or feelings clearly or easily. (Unrelated to the speed of decision.)

• Inerrant (Adjective): Free from error; infallible. (Unrelated to the speed or quality of the decision-making process.)