The following sentence has been divided into parts. One of them contains an error. Select the part that contains the error from the given options.

Several prominent film stars / have appeared on television / on behalf of awareness / about hand hygiene.

1. have appeared on television

2. about hand hygiene

3. on behalf of awareness

4. Several prominent film stars

Choose the correct option for the following :

One who wastes a lot of money is :

1. frugal

2. recluse

3. prodigal

4. reticent

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

A person who walks in his/her sleep

1. Somnambulist

2. Exorcist

3. Atheist

4. Ventriloquist

🔍 Savant /səˈvɑːnt/ (noun)

📌 Meaning: An exceptionally skilled or talented person in a specific area, often with limited abilities in other areas.

📌 Example:
1. Mozart was a musical savant, composing intricate symphonies at a very young age.
2. The autistic savant could calculate complex mathematical equations with remarkable speed and accuracy.

Select the most appropriate one-word substitute for the highlighted segment in the given sentence.

There is a lack of security and stability in his bank balance. This is indicative of a (hazardous and perilous situation).

1. guarded

2. precarious

3. reliable

4. definite

Parts of the following sentence have been given as options. Select the option that contains an error.

There are four tributaries of Ganga and it is ranked as the fifth most polluted river of the world.

1. is ranked as the fifth

2. of Ganga and it

3. There are four tributaries

4. most polluted river of the world