Noun/Pronoun Test - 1

The blank needs to be filled by a unit. Whenever a unit is preceded by a number and followed by a noun, the unit needs to be singular. Options 2 and 3 are plural. Option 4 is incorrect as 'ninety hundred' is ungrammatical.

We enjoy reading either 'books' or 'literature'. Hence, option 2, is the correct answer. Option 1 is incorrect and article 'a' should be used before 'good' to make it correct.

We need a noun here. Option 3 would require an article 'a' before the blank. Options 4 is a verb. Option 1 is an incorrect word. Only option 2 is correct.
Pickpocket means a person who steals from people's pockets.

The blank needs to be filled by a unit. Whenever a unit is preceded by a number and followed by a noun, the unit needs to be singular. So, option 1 is incorrect. 

Words like 'mischief' are always used in singular form. Hence, option 1 is correct.
'Innocent' is an adjective; its noun form is 'innocence'. Option 4 does not fit with 'acts of'.

We wear one shirt. Hence, options 3 is eliminated. The word 'trouser' is an incorrect usage. 'Trousers' is a plural noun. With 'shirt' an article is required. 

Option 2 is the correct usage. 'Alm' is an incorrect usage. A person does not give 'charity' to someone.

'Datas' is an incorrect usage. The plural of 'datum' is 'data'. Some words like 'machinery', 'furniture', 'information', etc. are always used in singular form. 

Some words like 'machinery', 'furniture', 'information', 'scenery', 'beauty', etc. are always used in singular form.

Some words like 'alms', 'summons', etc. are always used in plural form, but they are singular in sense. Options 3 and 4 are incorrect as a court will not send 'signal' or 'signals'.