The correct answer is option 4 i.e. Preceriously.

Its correct spelling is 'Precariously'.

Let's have a look at the meaning of the given options-

1. Luminous- that shines in the dark.
2. Mercenary- a soldier of fortune, is an individual who takes part in military conflict for personal profit.
3. Neighbour- a person who lives near you.
4. Precariously- in a way that is likely to fall, be damaged, fail.

As the chosen option is incorrectly spelt it will be the correct answer.

The correct answer is option 4 i.e. Footpath.

• Footpath refers to a paved path for pedestrians and is commonly where street vendors, set up their stalls near fruit shops.
• This fits the context of a familiar street scene at home.

Therefore, the correct sentence is:

"The peanut stove, which is so often seen on the footpath, just outside the fruit-shops, makes us think of the familiar street scene at home."

The correct answer is option 1 i.e. thinks outside the box.

• "Thinks outside the box" is an idiom that means to approach a problem or situation in an innovative and creative way, avoiding traditional or obvious solutions. 
  • Example- To stand out in the competition, the designer had to think outside the box and come up with a unique design.
• Here, the team came up with unique ideas i.e. thought outside the box for all its clients.

The correct answer is option 4 i.e. crocodile.

"Crocodile tears" is a commonly used idiom that refers to insincere expressions of sorrow or emotion.

Hence, the correct sentence is- Rathna is known for crocodile tears i.e. fake tears.

The correct answer is option 3 i.e. Scarcity.

1. Plethora means large or excessive amount of something.
2. Myriad means countless or extremely great number of people or things.
3. Scarcity means the state of being scarce or in short supply; shortage.
4. Profusion means an abundance or large quantity of something.

Hence, scarcity which means 'shortage' will be the best fit for the given group of words.

The correct answer is option 2 i.e. Fastidious.

Let's have a look at the meaning of the given options-

1. Feminist- the belief in social, economic, and political equality of the sexes.
2. Fastidious- difficult to please; wanting everything to be perfect.
3. Fatalist- someone who feels that no matter what he or she does, the outcome will be the same because it's predetermined.
4. Fanatic- a person who is very enthusiastic about something and may have extreme or dangerous opinions (especially about religion or politics).

As the chosen option expresses the meaning of the given group of words it will be the correct answer.

The correct answer is option 4 i.e. reminds.

• Remind means to cause somebody to remember somebody/something. 
  • Example: That smell reminds me of school.
• Sunanda is a noun and is singular in nature hence, the verb should be singular. So, reminds is correct.

Hence, reminds will be the correct fit for the blank.

The correct answer is option 4 i.e. Patatoes.

• Its correct spelling is 'Potatoes'.
• Let's have a look at the meaning of the given options-
  • Luminescent- spontaneous emission of light by a substance not resulting from heat.
  • Mention- to say something about somebody without giving much information.
  • Negotiation- discussion aimed at reaching an agreement.
  • Potatoes- a round vegetable that grows under the ground with a brown, yellow or red skin.

As the chosen option is incorrectly spelt it will be the correct answer.

The correct answer is option 4 i.e. from.

• The statement is trying to show a distance from one place to another; hence, the preposition "from" will suit the given blank, e.g. from here, from my house, etc.

Hence, the chosen option will be correct.

The correct answer is option 4 i.e. visit.

The sentence discusses tourists coming to learn about Nazi military history. The word "visit" fits the context as it refers to the act of going to a place for tourism or exploration.

Hence, the chosen option will be correct.