He died ______ peaceful death.

• a
• an
• the
• zero article
Correct Option: A  [ a ]

Remark:

Give me __________ one-rupee note.

• an
• a
• the
• none of these
Correct Option: B  [ a ]

Remark: "a" is an indefinite article. It is used before a singular countable noun to refer to any one item of that kind.

Last year I spent _______ few days in Mumbai with a cousin from America. (appropriate article)

• a
• an
• the
• Zero article
Correct Option: A  [ a ]

Remark: "a few" is used to indicate a small, unspecified number of days spent in Mumbai with a cousin from America.

None but _________ brave deserves the fair.

• the
• a
• an
• No article required
Correct Option: A  [ the ]

Remark: here adjective "brave" used as noun. "the brave" means "the brave people".

_____________ rich is not always happy.

• a
• an
• the
• zero article
Correct Option: C  [ the ]

Remark:

A bird in hand is worth two in ________ bush.

• the
• an
• a
• no article
Correct Option: A  [ the ]

Remark:

Our office employees have formed ________ union.

• the
• an
• a
• no article
Correct Option: C  [ a ]

Remark:

She spent ________ hour waiting for him.

• a
• an
• the
• zero article
Correct Option: B  [ an ]

Remark:

He is _______ honourable man.

• a
• an
• the
• zero article
Correct Option: B  [ an ]

Remark: "honourable" starts with sound of "vowel"

The boy is studying in ____________ university.

• a
• an
• the
• zero article
Correct Option: A  [ a ]

Remark: "a" is used with "university" ( Vowel word with a consonant sound.)
similar: a one-act, a one-eyed, a one-man army, a union.