Analogy Questions

Here the given pair of words are related in such a way that they are synonyms.

That is Genuine and Authentic are synonyms and similarly, Mrage and illusion are synonyms.

Hence, Genuine : Authentic : : Mirage : Illusion.

Train becomes trail when the "n" is replaced by an "l", and grain becomes grail when the "n" is replaced by an "l".

An actor performs in a play. A musician performs at a concert.

Choices b, c, and d are incorrect because none is people who perform.

Hence, Play is to actor as concert is to Musician.

Oxygen helps in burnings while carbon dioxide extinguished fires.

Hence, Oxygen : Burn :: Carbon dioxide : Extinguish.

Marathon is to Race as Hibernation is to Sleep.

Marathon is a long race in the similar way Hibernation refers to a long sleep.

A Library consists of Books in the same way Book consists Pages.

Hence, Library : Book :: Book : Pages.

Something that is infinite is extremely large in amount or degree and if something is indefinite it has not been decided when it will stop  or finish.

Protagonist and heroine are synonums to each other. Similarly, clothing and jeans are synonyms to each other in the given options. 

Hence, Protagonist is to heroine as clothing is to jeans.