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 46 (SSC / Banking / Railway | Ultra Practice)

Choose the correct option 👇

Error Spotting (Q1–Q6)

1. One of the most difficult problem in mathematics is calculus.
(a) One of the most
(b) difficult problem
(c) in mathematics
(d) is calculus

2. He did not knew the answer to the question.
(a) He did not
(b) knew
(c) the answer
(d) to the question

3. Each of the boys have submitted their homework.
(a) Each
(b) of the boys
(c) have submitted
(d) their homework

4. The manager as well as his assistants were present in the meeting.
(a) The manager
(b) as well as his assistants
(c) were present
(d) in the meeting

5. She is elder than me by two years.
(a) She
(b) is
(c) elder than me
(d) by two years

6. No sooner had the teacher entered when the students stood up.
(a) No sooner had
(b) the teacher entered
(c) when
(d) the students stood up

Sentence Improvement (Q7–Q11)

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

8. She prevented me to make the mistake.
(a) prevented me from making
(b) prevented me to making
(c) prevented me for making
(d) no improvement

9. Hardly had the rain stopped than the match resumed.
(a) when
(b) then
(c) that
(d) no improvement

10. He is one of the most talented artist in the city.
(a) artists
(b) artist
(c) talented artists
(d) no improvement

11. I have been seeing him since last year.
(a) saw
(b) see
(c) seen
(d) no improvement

Cloze Test (Q12–Q15)

Passage:
Time is very valuable. Once lost, it cannot be ___(12). People who waste time often fail ___(13) achieve their goals. One should make proper use ___(14) time and work ___(15) sincerity.

12.
(a) gained
(b) returned
(c) recovered
(d) replaced

13.
(a) in
(b) to
(c) for
(d) at

14.
(a) of
(b) for
(c) on
(d) in

15.
(a) with
(b) by
(c) in
(d) at

Voice (Q16)

16. The police arrested the thief.
Passive voice:
(a) The thief is arrested by the police.
(b) The thief was arrested by the police.
(c) The thief has been arrested by the police.
(d) The thief had been arrested by the police.

Narration (Q17)

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

Idioms & Phrases (Q18)

18. “At the eleventh hour” means:
(a) Very early
(b) At the last moment
(c) On time
(d) Very late

Vocabulary (Q19)

19. Synonym of Abandon:
(a) keep
(b) desert
(c) follow
(d) support

One-word Substitution (Q20)

20. A person who cannot read or write:
(a) scholar
(b) literate
(c) illiterate
(d) academic

✅ Answers

  1. (b) problem → problems

  2. (b) knew → know

  3. (c) have submitted → has submitted

  4. (c) were present → was present

  5. (c) elder than me → older than me

  6. (c) when → than

  7. (a) inferior to me

  8. (a) prevented me from making

  9. (a) when

  10. (a) artists

  11. (c) seen → have seen

  12. (c) recovered

  13. (b) to

  14. (a) of

  15. (a) with

  16. (b) The thief was arrested by the police

  17. (b)

  18. (b) At the last moment

  19. (b) desert

  20. (c) illiterate

➡️ Next SSC Grammar Marathon (100+ MCQs coming) 📘🔥

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