Verbal Ability (Mixed)

 Truckle and obsequious are synonyms, and they mean 'to behave in a submissive manner'.

A paragon is a model or pattern of excellence or perfection.

Aesthete is a person highly sensitive to art and beauty.

Inviolate means that cannot be violated.

Bamboozle means to use elaborate means of fraud and deceit.

The meaning of excoriate is to denounce strongly, which is evident in all the options.

Defame, malign and traduce means to tarnish someone's name or image. Expound means to explain in detail.

 Remiss is an adjective to describe someone laxing in duty. The rest of the options can be used in the context of the sentence.

Fitful, periodic and random can be used to describe activity. Eccentric is used to describe a person's behaviour.

Ponder, ruminate and contemplate is to think over something. Understand is to get or perceivethe meaning of somthing.

The relationship is that of a device and its use, a centrifuge is used to seperate liquids of different densities. The same relationship is seen only in Colander : Drain.

The relationship is of synonyms differing in degree.

The relationship is of the opposite adjective and the corresponding noun. None of the options except 4 exhibits the same relationship.

All the words in option 1 can be linked with the lead word (date). Date is a fruit; date is a time; dateline and update connect the other two words. 

Eld means age, old age and antiquity. All the words in option 1 are linked to the main word. Clue can be found from a related word 'elder'.

 All the words in option 2  are related to the lead word (egg). We use the phrase 'to walk on eggs' for caution, 'egg on' means to incite or urge someone. 'To lay an egg' is also a phrase used when someone fails.  Eggbeater is also linked to the main word.

Intransigence means not flexible - stubborn, resistant. The closest in meaning is contumacy.

A libertine is someone who is unrestrained in his religious thinking and morally free. Licentious also means the same.

Goose is a web -footed swimming bird with longer neck and legs than most ducks. The male is known as gander. We use the phrase ' to goose up' to mean ' to step up or increase'.

A charlatan is someone who pretends to have more skill and knowledge than he orginally possesses. A quack is used to refer to someone who imitates.

Plethora means an excess of something and so does abundance.

Peruse means to examine in detail, thoroughly.

Adulterate, contaminate and blemish are associated with changing somehing to an inferior quality. Cogitate means to think, and apply reasoning.

Sentimental, slussy and mawkish mean the same thing, which is 'emotional, sentimental'. Zilch is a term used for 'nothing' or 'zero'.

Retribution means 'revenge' or 'payback', the word closest in meaning is 'reprisal'.