He was congratulated by his teacher on his brilliant success in the recent examination.

A. He congratulated his teacher on his brilliant success in the examination.
B. His teacher congratulated him for his brilliant success in the recent examination.
C. His teacher congratulated him on his brilliant success in the examination.
D. His teacher congratulated him.
✅ The correct answer is option B.

The story is too fantastic to be credible.

A. praiseworthy
B. readable
C. believable
D. false
✅ The correct answer is option C.
Praiseworthy : deserving approval and admiration.

Readable : able to be read or deciphered; legible.

Believable : able to be believed; credible.

False : not according with truth or fact; incorrect.

Credible : able to be believed; convincing.

Synonym of Credible is Believable

All the characters in the novel are fictitious.

A. unreliable
B. unbelievable
C. unreal
D. real
✅ The correct answer is option C.
Unreliable : not able to be relied upon.

Unbelievable : not able to be believed; unlikely to be true.

Unreal : imaginary or illusory.

Real : actually existing as a thing or occurring in fact; not imagined or supposed.

Fictitious : not real or true; imaginary or fabricated.

Synonym of Fictitious is Unreal

The troops were mobilised to take control of the tensed situation.

A. organised
B. summoned
C. prepared
D. arouse
✅ The correct answer is option D.
Organised : arrange systematically; order.

Summoned : order (someone) to be present.

Prepared : made ready for use.

Arouse : evoke or awaken (a feeling, emotion, or response).

Mobilised : organize and encourage (a group of people) to take collective action in pursuit of a particular objective.

Synonym of Mobilised is Arouse