As we know that ,
Just as loneliness and privacy are synonyms, describing the state of being alone or separate from others, composure and equanimity are synonyms describing a calm or peaceful state of mind.

Correct Option: B

As we know that ,
Just as loneliness and privacy are synonyms, describing the state of being alone or separate from others, composure and equanimity are synonyms describing a calm or peaceful state of mind.
From above it is clear that LONELINESS : PRIVACY :: COMPOSURE : EQUANIMITY is required answer .

As per the given above question , we can say that
Relation - emotion - person with opposite emotion; for all other three options, the feelings in both the words means the same, optimist means hopeful , diligence means working carefully, sage is a wise, holy man.

Correct Option: A

As per the given above question , we can say that
Relation - emotion - person with opposite emotion; for all other three options, the feelings in both the words means the same, optimist means hopeful , diligence means working carefully, sage is a wise, holy man.
Hence , required answer is LOYALTY : TRAITOR :: TRUTHFULNESS : LIAR .

As per the given above question ,we know that
The relation in the given pair of words is that of degree. Affection is higher degree of love. Just as misery is a higher degree for sorrow. Joy and happiness are simply synonyms.

Correct Option: D

As per the given above question ,we know that
The relation in the given pair of words is that of degree. Affection is higher degree of love. Just as misery is a higher degree for sorrow. Joy and happiness are simply synonyms.
Thus , required answer will be LOVE : AFFECTION SORROW : MISERY .

As per the given above question , we know that
Relation - Preceding event - succeeding event; as Rehearsal precedes performance, engagement precedes marriage, appetite means desire, it may or may not be succeeded by satisfaction and these cannot be counted as events, whereas the given words are events not feelings, applause means appreciation.

Correct Option: C

As per the given above question , we know that
Relation - Preceding event - succeeding event; as Rehearsal precedes performance, engagement precedes marriage, appetite means desire, it may or may not be succeeded by satisfaction and these cannot be counted as events, whereas the given words are events not feelings, applause means appreciation.
Therefore , REHEARSAL : PERFORMANCE :: ENGAGEMENT : MARRIAGE is correct answer .

According to question , we can say that
The relationship here is one of action. A bull is a person who buys on the stock market, while a bear is one who sells on the stock market.

Correct Option: D

According to question , we can say that
The relationship here is one of action. A bull is a person who buys on the stock market, while a bear is one who sells on the stock market.
Hence , Required answer will be BULL : BUYS :: BEAR : SELLS .