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".

Rama has come without _________ umbrella.

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

Remark:

A bird in hand is worth two in ________ bush.

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

Remark:

It was ________ unit of measurement.

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

Remark:

He is _________ cleverer of the two.

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

Remark:

I visited _________ store which sold furniture and paintings.

• the
• a
• and
• an
Correct Option: B  [ a ]

Remark:

At last _______ justice has been done to the accused.

• the
• an
• a
• no article is needed
Correct Option: D  [ no article is needed ]

Remark:

There is _______ great deal of confusion here.

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

Remark:

Copper is __________ Useful metal. (appropriate article)

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

Remark: "a" is correct because "useful" starts with a consonant sound. "An" is used before words that start with vowel sounds.

We have bought _________ LCD television set.

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

Remark: