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Q.

Select the word which means the opposite of the given word- Efficient


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a

Brisk

b

Active

c

Dull

d

Laborious 

answer is C.

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Detailed Solution

Option 3 dull is right because the term dull means "lacking interest or excitement" and the word efficient means "working in a well-organized and competent manner" (of a person). Both words are directly opposed. The other answers are incorrect since brisk, active, and laborious respectively denote active and energetic, engaging or ready to engage in physically vigorous pursuits, and taking significant time and effort.
 
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