He is living a MISERABLE life. (Find synonym)

• Painful
• Baring
• Unpleasant
• Sick
Correct Option: C  [ Unpleasant ]

Remark:

The train had left(A)/ when he had reached(B)/ the station.(C)/ No error(D)

• A
• B
• C
• D
Correct Option: B  [ B ]

Remark: 'when he reached' instead 'when he had reached'

He _______ in London since 1990.

• has been
• was
• ha been
• lived
Correct Option: A  [ has been ]

Remark: here "Present perfect" used to indicate an action or situation that started in the past and continues in the present.

Nations are competing ______ one another for world domination.

• with
• for
• at
• of
Correct Option: A  [ with ]

Remark:

Impeccable (Find Antonym)

• Faulty
• Tedious
• Flashy
• Boring
Correct Option: A  [ Faulty ]

Remark:

The army had to YIELD to the advancing enemy. (Phrasal verbs)

• give in
• break upon
• welcome
• break to
Correct Option: A  [ give in ]

Remark: "YIELD": to surrender or relinquish to the physical control of another.
"give in" : Surrender.

Persist (Find Synonym)

• Resist
• Leave
• Quit
• Insist
Correct Option: D  [ Insist ]

Remark:

It was such a strange affair that I could make head or tail of it.

• face it
• tolerate it
• remember it
• understand it
Correct Option: D  [ understand it ]

Remark:

Give him three rupees and ______ half.

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

Remark:

It is ________ uniform policy.

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

Remark: The word "a" is used before a noun that begins with a consonant sound.
"a uniform" (the "u" in "uniform" is pronounced as a consonant sound).