Select the most appropriate option to fill in the blank.
The ___________ design of the new energy-efficient appliances has reduced electricity consumption significantly.

Correct option is C

The correct word to fill in the blank is (c) innovative.
Correct sentence:
The innovative design of the new energy-efficient appliances has reduced electricity consumption significantly.
Explanation: The sentence describes a design, which is a noun, and needs an adjective to qualify it. “Innovative” is the correct adjective form meaning new and creative.
Meaning of “Innovative”:
· English: Featuring new ideas or methods.
· Hindi: नवोन्मेषी, नवीन ✅
Meanings of all other options:
· Innovates: Verb form.
Hindi: नवाचार करता है ❌
· Innovativeness: Noun form.
Hindi: नवाचार की प्रवृत्ति ❌
· Innovation: Noun.
Hindi: नवाचार ❌
· Innovative: Adjective form ✅
Hindi: नवीन ✅