Computer Science MCQs (Set–29 | Level — Frontier Open Conjectures & Deep Structural Theory 😈🔥)

281. The statement “P ≠ NP” would immediately imply: A) NP ⊄ P B) No NP-Complete problem is solvable in polynomial time C) There exist problems verifiable but not efficiently solvable D) All of the above Answer: D) All of the above 282. The class coNP consists of languages whose complements are in: A) P B) NP C) PSPACE D) EXP Answer: B) NP 283. If PH collapses to level k, then: A) All higher levels equal Σₖ^P B) PSPACE collapses C) NP = PSPACE D) EXP collapses Answer: A) All higher levels equal Σₖ^P 284. The problem of graph isomorphism is currently known to be in: A) P (proven decades ago) B) NP-Complete C) Quasi-polynomial time D) PSPACE-Complete Answer: C) Quasi-polynomial time 285. The class #P deals with: A) Optimization problems B) Counting accepting paths C) Space-bounded computation D) Quantum proofs Answer: B) Counting accepting paths 286. If #P = FP (polynomial-time computable functions), then: A) P = NP B) PH collapses C) PSPACE = NP D) BQP = P Answer: B) PH collapses ...
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English Grammar MCQs – Set 56 (SSC / Banking / Railway | Advanced Practice)

Choose the correct option 👇

Error Spotting (Q1–Q6)

1. One of the most intelligent boy in the class has won the prize.
(a) One of the most
(b) intelligent boy
(c) in the class
(d) has won the prize

2. He has been living in Delhi since five years.
(a) He has been living
(b) in Delhi
(c) since five years
(d) no error

3. Each of the players have been given a prize.
(a) Each
(b) of the players
(c) have been given
(d) a prize

4. She did not went to school yesterday.
(a) She did not
(b) went
(c) to school
(d) yesterday

5. The quality of these products are excellent.
(a) The quality
(b) of these products
(c) are
(d) excellent

6. No sooner had he reached the station when the train left.
(a) No sooner had
(b) he reached
(c) when
(d) the train left

Sentence Improvement (Q7–Q11)

7. He is senior than me in experience.
(a) senior to
(b) senior from
(c) senior than
(d) no improvement

8. She insisted to pay the bill herself.
(a) insisted on paying
(b) insisted for paying
(c) insisted to paying
(d) no improvement

9. Hardly had we started the journey than it began to rain.
(a) when
(b) then
(c) that
(d) no improvement

10. He is one of the best player of the team.
(a) players
(b) player
(c) best players
(d) no improvement

11. I have been knowing this rule for years.
(a) know
(b) known
(c) knew
(d) no improvement

Cloze Test (Q12–Q15)

Passage:
Time is very precious. Once lost, it never comes ___(12). Successful people value time and use it ___(13). Wasting time can lead ___(14) failure. Therefore, everyone should make the best use ___(15) time.

12.
(a) again
(b) back
(c) over
(d) away

13.
(a) careless
(b) carefully
(c) carelessy
(d) careful

14.
(a) in
(b) to
(c) for
(d) at

15.
(a) on
(b) in
(c) of
(d) with

Voice (Q16)

16. The teacher explains the lesson clearly.
Passive voice:
(a) The lesson is explained clearly by the teacher.
(b) The lesson was explained clearly by the teacher.
(c) The lesson has been explained clearly by the teacher.
(d) The lesson is being explained clearly by the teacher.

Narration (Q17)

17. She said, “I have finished my work.”
Indirect:
(a) She said that she has finished her work.
(b) She said that she had finished her work.
(c) She says that she had finished her work.
(d) She said that I had finished my work.

Idioms & Phrases (Q18)

18. “A blessing in disguise” means:
(a) A hidden curse
(b) A good thing that seemed bad at first
(c) A clear advantage
(d) A useless event

Vocabulary (Q19)

19. Antonym of Ancient:
(a) old
(b) modern
(c) historic
(d) traditional

One-word Substitution (Q20)

20. A person who can speak many languages:
(a) linguist
(b) bilingual
(c) polyglot
(d) translator

✅ Answers

  1. (b) boy → boys

  2. (c) since five years → for five years

  3. (c) have been given → has been given

  4. (b) went → go

  5. (c) are → is

  6. (c) when → than

  7. (a) senior to

  8. (a) insisted on paying

  9. (a) when

  10. (a) players

  11. (b) known → have known

  12. (b) back

  13. (b) carefully

  14. (b) to

  15. (c) of

  16. (a)

  17. (b)

  18. (b)

  19. (b) modern

  20. (c) polyglot

📘 Daily SSC Grammar Practice – Accuracy Booster 🔥

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