Select the option that can be used as a one-word substitute for the underlined segment.
The new technology was much more productive and achieved maximum output with minimum wasted effort or expense.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. efficient.
Correct Word: Efficient
Meaning: Achieving maximum productivity with minimum wasted effort or expense.
Example: The new engine is far more efficient than the old one.
Meaning of the other options:
Elaborate: Involving many careful details; complicated and detailed.
Rapid: Happening quickly or in a short time.
Magnificent: Extremely beautiful, elaborate, or impressive.
Hence, the chosen option is correct.