Select the most appropriate option that can substitute the highlighted segment in the given sentence.

Mr. Raghav (racked his brain), but couldn't think where he had left the book.

1. thought very hard

2. had a series of consecutive thoughts

3. knew it, but couldn't quite remember it

4. thought he had heard something before

In the following question, out of the four alternatives, choose the alternative which best expresses the meaning of the idiom/Phrase.

Go to rack and ruin

1. a state of utter chaos

2. a state of despair

3. a condition of exhilaration

4. get into a bad condition

The given sentence has an error. Select the option that contains the error in the given sentence.

We have to be cautius regarding the impact of global warming.

1. We have to

2. of global warming

3. regarding the impact

4. be cautius

Find the part of the given sentence that has an error in it. If there is no error, choose ‘No error’.

Her relatives were presented at the station to see her off.

1. presented at the station

2. No error

3. Her relatives were

4. to see her off

Select the most appropriate one word substitution for the given group of words.

A person who attracts attention with a flashy style.

1. Vagabond

2. Flamboyant

3. Glutton

4. Jockey

Select the option that can be used as a one-word substitute for the given group of words.

One who is outspoken and outgoing

1. Psychic

2. Extrovert

3. Heroic

4. Flamboyant

🔍 Perplex /pɚˈplɛks/ (verb)

📝 Meaning: To confuse or puzzle someone, often making them uncertain or unable to understand something.

📌 Examples:
1. The complex instructions completely perplexed the new employees.
2. His decision to quit his job without another offer in hand perplexed his colleagues.
3. The math problem was so challenging that it perplexed even the teacher.