Common Error Detection - English Aptitude MCQ Questions and Answers

Change, everyone → each one

When the number is limited or is implied to be limited 'each one' will be better usage than 'everyone'.

Change, patient → the patient

Since, there is emphasis on the word patient.

The answer is Option D: Sharma's and Chawla's company.
Here's why:
When two people own a business together, and you want to show possession with an apostrophe,
you only need to add the apostrophe and 's' ('s) to the last name.
This indicates that they are jointly owning the company.
So, the correct way to write it would be "Sharma and Chawla's company".
If it was "Sharma's and Chawla's companies", it would mean they each own separate companies.
The other options are grammatically correct in this sentence.

Change, spirit ==> spirits

Normally, Spirit is noun which means soul or non physical part of a man or person (Sometimes, it also used as an adjective.). In other hand, Often Spirits is a person's mood or attitude. So, in above given sentence, revival of the mood of a person is quite suitable.

See these examples:

1. The warm weather lifted everyone's spirits.
2. He confessed in a spirit of self-respect.

Many a takes a singular noun, which is followed by a singular verb.

Change, sister-in-laws → sisters-in-law.

Plural of such compound words is formed by adding 's' in the first constituent of the compound word.

Change, details → detail.

Change, Cattles → Cattle.
CATTLE are one of those collective nouns which though singular in form are always used as plurals.

Change, HAVE → HAS,
Verb → Singular form.
MANY A is always followed by a singular noun and singular verb.

Change, of → by