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 47 (SSC / Banking / Railway | Marathon Practice)

Choose the correct option 👇

Error Spotting (Q1–Q6)

1. One of the brightest student in the class is Ravi.
(a) One of the brightest
(b) student
(c) in the class
(d) is Ravi

2. He has been absent since three days.
(a) He has been absent
(b) since three days
(c) no error
(d) absent

3. Neither of the boys have passed the test.
(a) Neither
(b) of the boys
(c) have passed
(d) the test

4. She did not knew the correct answer.
(a) She did not
(b) knew
(c) the correct answer
(d) no error

5. The manager along with his staff were present at the meeting.
(a) The manager
(b) along with his staff
(c) were present
(d) at the meeting

6. No sooner did the train started than it began to rain.
(a) No sooner did
(b) the train started
(c) than it began to rain
(d) train

Sentence Improvement (Q7–Q11)

7. He is superior than his colleague in experience.
(a) superior to
(b) superior from
(c) superior than
(d) no improvement

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

9. Hardly had I entered the office than the manager called me.
(a) when
(b) then
(c) that
(d) no improvement

10. He is one of the most hardworking boy in the team.
(a) boys
(b) boy
(c) hardworking boys
(d) no improvement

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

Cloze Test (Q12–Q15)

Passage:
Honesty is a virtue. It helps a person gain respect and earn trust ___(12). Dishonest people may succeed ___(13) short time, but eventually truth comes ___(14). Therefore, one should follow honesty ___(15) life.

12.
(a) of
(b) in
(c) with
(d) among

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

14.
(a) out
(b) in
(c) on
(d) over

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

Voice (Q16)

16. They have completed the project successfully.
Passive voice:
(a) The project has been completed successfully.
(b) The project had been completed successfully.
(c) The project is completed successfully.
(d) The project was completed successfully.

Narration (Q17)

17. He said, “I am preparing for the examination.”
Indirect:
(a) He said that he is preparing for the examination.
(b) He said that he was preparing for the examination.
(c) He says that he was preparing for the examination.
(d) He said that I was preparing for the examination.

Idioms & Phrases (Q18)

18. “To call a spade a spade” means:
(a) To hide the truth
(b) To speak the truth frankly
(c) To exaggerate
(d) To mislead someone

Vocabulary (Q19)

19. Synonym of Rapid:
(a) slow
(b) quick
(c) steady
(d) calm

One-word Substitution (Q20)

20. A person who cannot be punished:
(a) immortal
(b) infallible
(c) impunity
(d) inviolable

✅ Answers

  1. (b) student → students

  2. (b) since three days → for three days

  3. (c) have passed → has passed

  4. (b) knew → know

  5. (c) were present → was present

  6. (b) started → start

  7. (a) superior to

  8. (a) prevented me from making

  9. (a) when

  10. (a) boys

  11. (b) known → have known

  12. (b) in

  13. (a) in

  14. (a) out

  15. (a) in

  16. (a) The project has been completed successfully

  17. (b)

  18. (b) To speak the truth frankly

  19. (b) quick

  20. (c) impunity

➡️ Next SSC Grammar + Cloze + Vocabulary Ultimate Drill 🚀📘

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