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 know that
The meanings of the words are as follows: Stygian : dark or gloomy; infernal; hellish Fortuitous: happening or produced by chance; accidental ‘Stygian’ means ‘dark’; therefore, their relationship is synonymous. ‘Abysmal’ means ‘immeasurably deep’, which is different from ‘low’. The only other synonymous pair is ‘fortuitous’ and ‘accidental’.

Correct Option: C

According to question, we know that
The meanings of the words are as follows: Stygian : dark or gloomy; infernal; hellish Fortuitous: happening or produced by chance; accidental ‘Stygian’ means ‘dark’; therefore, their relationship is synonymous. ‘Abysmal’ means ‘immeasurably deep’, which is different from ‘low’. The only other synonymous pair is ‘fortuitous’ and ‘accidental’.
Thus , STYGIAN : DARK :: FORTUITOUS : ACCIDENTAL is required answer.

As we know that ,
The given words in question are synonyms, as both can refer to ‘conducted with or marked by hidden aims or methods’ and the words given in option (b) are also synonyms as both can refer to secret or something that’s not done openly. Option (a) is wrong, because it doesn’t depict the same relationship: overt can refer to observable or something that’s not secret or hidden whereas, furtive refers to something that is done quietly or cautiously. Option (c) is wrong: open is the opposite of close; these are not similar words. Option (d) is wrong, because news and rumour are again, antonyms.

Correct Option: B

As we know that ,
The given words in question are synonyms, as both can refer to ‘conducted with or marked by hidden aims or methods’ and the words given in option (b) are also synonyms as both can refer to secret or something that’s not done openly. Option (a) is wrong, because it doesn’t depict the same relationship: overt can refer to observable or something that’s not secret or hidden whereas, furtive refers to something that is done quietly or cautiously. Option (c) is wrong: open is the opposite of close; these are not similar words. Option (d) is wrong, because news and rumour are again, antonyms.
Hence , required answer will be SECRET : CLANDESTINE :: COVERT : STEALTHY .

As per the given above question , we can say that
Relation - thing - its characteristic quality; as wool gives warmth, the spring has elasticity, it is the characteristic defining quality of spring.

Correct Option: D

As per the given above question , we can say that
Relation - thing - its characteristic quality; as wool gives warmth, the spring has elasticity, it is the characteristic defining quality of spring.
Thus , required answer will be WOOL : WARMTH :: SPRING : ELASTICITY .

As per the given above question, we can say that
Relation - Person - Workplace; Curator is the person who takes care of the museum.

Correct Option: B

As per the given above question, we can say that
Relation - Person - Workplace; Curator is the person who takes care of the museum.
Hence , required answer will be MANAGER : OFFICE :: CURATOR : MUSEUM .