The boy broke the window and took to his heels.

• The boy ran into the window.
• The boy broke the window and ran away.
• The boy broke the window and fell on his heels.
• The boy broke the window with his heels.
Correct Option: B  [ The boy broke the window and ran away. ]

Remark:

Don't depend _________ others, you must stand on your own feet.

• upon
• on
• to
• for
Correct Option: B  [ on ]

Remark:

The new foreign policy has invited a lot of appreciation from ......... opposition.

• an
• a
• the
• No article is needed
Correct Option: C  [ the ]

Remark:

A steady mind triumphs _________ difficulties.

• for
• over
• to
• at
Correct Option: B  [ over ]

Remark:

Why did you (A)/ not told me (B)/ about it (C)/ No error (D) (Find error)

• A
• B
• C
• D
Correct Option: B  [ not told me ]

Remark: "Why did you not tell me about it?"

"did" is used to create the past tense, main verb "tell" should be in its base form.

At last _______ justice has been done to the accused.

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

Remark:

I raked my brain to solve this difficult problem.

• I consulted several people
• I subjected my mind to hard thinking
• I read number of books
• I brainwashed several experts
Correct Option: B  [ I subjected my mind to hard thinking ]

Remark: raked my brain: to think very hard

Our office employees have formed ________ union.

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

Remark:

She has an aptitude _________ mathematics.

• to
• of
• for
• about
Correct Option: C  [ for ]

Remark:

Dr. Das is responsible _________ recruitment.

• about
• from
• for
• in
Correct Option: C  [ for ]

Remark: "Responsible for" means having control and authority over something or someone, and the duty of taking care of it.