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ExamBharo · SSC CHSL 2023 Tier I — 17 August 2023, Shift 1 · exambharo.com/ssc-chsl/previous-year-papers/ssc-chsl-2023-tier-1-17-aug-shift-1/

Question paper · SSC CHSL

SSC CHSL 2023 Tier I — 17 August 2023, Shift 1

17 August 2023 · 9:00 AM–10:00 AM86 of the paper’s 100 questions+2 for a correct answer, −0.5 for a wrong one

Left out of the original paper: 14 (any question that needs a figure, symbol or formatting we cannot show, or whose text or answer did not come through cleanly from the official document).

Questions from the Staff Selection Commission’s paper of 17 August 2023, 9:00 AM–10:00 AM. Each question’s answer is under it, hidden until you open it, and the full answer key is at the end. Take the paper as a timed practice test to be scored.

English Language

  1. 1. Select the most appropriate idiom for the underlined segment in the given sentence. When he made fun of the sage, who was already infuriated, it made a bad situation worse.

    • (a) Made them at the loggerheads
    • (b) Pulled someone’s legs
    • (c) Added fuel to the fire
    • (d) Budged up
    Show answer

    Answer: (c)

  2. 2. Select the most appropriate synonym of the given word. Quell

    • (a) Invite
    • (b) Beseech
    • (c) Encourage
    • (d) Suppress
    Show answer

    Answer: (d)

  3. 3. Select the most appropriate idiom for the following sentence. The recent strike of the employees left the factory and its machinery in disorder.

    • (a) Need of the hour
    • (b) Out of gear
    • (c) Pin-money
    • (d) Lock and key
    Show answer

    Answer: (b)

  4. 4. Select the option that can be used as a one-word substitute for the underlined group of words. ‘A Red, Red Rose’ by Robert Burns is a poem that tells a story and has a regular rhythm and rhyme scheme.

    • (a) epic
    • (b) haiku
    • (c) ballad
    • (d) sonnet
    Show answer

    Answer: (c)

  5. 5. Select the most appropriate homonym to fill in the blank. Should we go shopping for a ____ fan for our new house?

    • (a) ceiling
    • (b) sealink
    • (c) sealing
    • (d) selling
    Show answer

    Answer: (a)

  6. 6. The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer. A crocodile / was swimming / in a river.

    • (a) A crocodile
    • (b) was swimming
    • (c) No error
    • (d) in a river
    Show answer

    Answer: (c)

  7. 7. Select the most appropriate option that can substitute the underlined segment in the given sentence. The performance of the musicians was rather worst than expected by the audience.

    • (a) worst than expectation
    • (b) worse was expected
    • (c) worse than expected
    • (d) bad as expected
    Show answer

    Answer: (c)

  8. 8. Select the most appropriate synonym of the given word from the following sentence. Damage Every war in the history originates because of the greed of the rulers which was satisfied after mass destruction.

    • (a) Satisfied
    • (b) Destruction
    • (c) Greed
    • (d) Originates
    Show answer

    Answer: (b)

  9. 9. Select the most appropriate synonym of the given word. Repercussion

    • (a) Duplication
    • (b) Consequence
    • (c) Recusation
    • (d) Apprehension
    Show answer

    Answer: (b)

  10. 10. Select the option that expresses the given sentence in active voice. It will be done by me.

    • (a) I will do it.
    • (b) I do it.
    • (c) I did it.
    • (d) I have done it.
    Show answer

    Answer: (a)

  11. 11. Select the most appropriate synonym of the underlined word in the given sentence. Let us adjourn the meeting here, as it is lunchtime now.

    • (a) Postpone
    • (b) Prohibit
    • (c) Stimulate
    • (d) Expedite
    Show answer

    Answer: (a)

  12. 12. Parts of a sentence are given below in jumbled order, except the first part. Arrange the parts in the correct order to form a meaningful sentence. As for the first historical fallacy,… A. only some specialists can unravel its inscrutable mysteries B. that the past was so different C. from the present that D. many people wrongly believe

    • (a) BCDA
    • (b) DCBA
    • (c) DBCA
    • (d) ABCD
    Show answer

    Answer: (c)

  13. 13. Select the most appropriate synonym of the given word. Hideous

    • (a) Repulsive
    • (b) Pretty
    • (c) Attractive
    • (d) Plain
    Show answer

    Answer: (a)

  14. 14. The following sentence has been split into four segments. Identify the segment that contains a grammatical error. An old man whom / we met while coming back / from our college lives / at my uncle’s place.

    • (a) An old man whom
    • (b) at my uncle’s place
    • (c) we met while coming back
    • (d) from our college lives
    Show answer

    Answer: (a)

  15. 15. Select the INCORRECTLY spelt word from the given sentence. The crowd jerred and laughed, but the young prince sprang to the gate with his face flushed.

    • (a) Prince
    • (b) Laughed
    • (c) Sprang
    • (d) Jerred
    Show answer

    Answer: (d)

  16. 16. Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A.Despite numerous setbacks and rejections, he refused to give up on his dream of making it big. B.John had always been a talented musician, but he struggled to find his place in the competitive and cutthroat music industry. C.With the help of a supportive community of fellow musicians and fans, John continued to hone his craft and develop his own unique sound. D.Eventually, his hard work paid off and he landed a record deal with a major label.

    • (a) BACD
    • (b) DCAB
    • (c) BDAC
    • (d) CBAD
    Show answer

    Answer: (a)

  17. 17. Select the option that can be used as a one-word substitute for the given group of words. One who eats human flesh

    • (a) Mammal
    • (b) Vegetarian
    • (c) Carnivore
    • (d) Cannibal
    Show answer

    Answer: (d)

  18. 18. Select the INCORRECTLY spelt word.

    • (a) Acknowledgment
    • (b) Accomodate
    • (c) Address
    • (d) Acquire
    Show answer

    Answer: (b)

  19. PassageFor questions 21–25

    In the following passage some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

    Harry Potter was first introduced in the novel, ‘Harry Potter and the Philosopher’s Stone’, as an orphan who is (1)________ by his guardian aunt and uncle and their son. On his 11th birthday Harry discovers that his parents were a witch and a wizard and that he, a wizard himself, has been invited to (2)______ Hogwarts School of Witchcraft and Wizardry. He also learns that his parents had not (3)_______ in a car accident, as his aunt and uncle had told him, but that they instead had been murdered by an evil wizard named Voldemort. Harry was the only person to have ever (4) ______ an attack by Voldemort—by somehow (5)_______ the latter’s ‘killing curse’—which left him with a lightning-bolt-shaped scar on his forehead.

  20. 21. Select the most appropriate option to fill in blank number 1.

    • (a) crushed
    • (b) mistreated
    • (c) dispirited
    • (d) bowed
    Show answer

    Answer: (b)

  21. 22. Select the most appropriate option to fill in blank number 2.

    • (a) see
    • (b) escort
    • (c) accompany
    • (d) attend
    Show answer

    Answer: (d)

  22. 23. Select the most appropriate option to fill in blank number 3.

    • (a) perished
    • (b) departed
    • (c) lost
    • (d) vanished
    Show answer

    Answer: (a)

  23. 24. Select the most appropriate option to fill in blank number 4.

    • (a) survived
    • (b) thrived
    • (c) continued
    • (d) tolerated
    Show answer

    Answer: (a)

  24. 25. Select the most appropriate option to fill in blank number 5.

    • (a) rallying
    • (b) recovering
    • (c) failing
    • (d) rebounding
    Show answer

    Answer: (d)

General Intelligence

  1. 1. Figure for question 1

    • (a) Figure for question 1, option (a)
    • (b) Figure for question 1, option (b)
    • (c) Figure for question 1, option (c)
    • (d) Figure for question 1, option (d)
    Show answer

    Answer: (b)

  2. 2. Figure for question 2

    • (a) Figure for question 2, option (a)
    • (b) Figure for question 2, option (b)
    • (c) Figure for question 2, option (c)
    • (d) Figure for question 2, option (d)
    Show answer

    Answer: (a)

  3. 3. Figure for question 3

    • (a) Figure for question 3, option (a)
    • (b) Figure for question 3, option (b)
    • (c) Figure for question 3, option (c)
    • (d) Figure for question 3, option (d)
    Show answer

    Answer: (b)

  4. 4. Figure for question 4

    • (a) Figure for question 4, option (a)
    • (b) Figure for question 4, option (b)
    • (c) Figure for question 4, option (c)
    • (d) Figure for question 4, option (d)
    Show answer

    Answer: (b)

  5. 5. Figure for question 5

    • (a) Figure for question 5, option (a)
    • (b) Figure for question 5, option (b)
    • (c) Figure for question 5, option (c)
    • (d) Figure for question 5, option (d)
    Show answer

    Answer: (d)

  6. 7. Figure for question 7

    • (a) Figure for question 7, option (a)
    • (b) Figure for question 7, option (b)
    • (c) Figure for question 7, option (c)
    • (d) Figure for question 7, option (d)
    Show answer

    Answer: (d)

  7. 8. Figure for question 8

    • (a) Figure for question 8, option (a)
    • (b) Figure for question 8, option (b)
    • (c) Figure for question 8, option (c)
    • (d) Figure for question 8, option (d)
    Show answer

    Answer: (b)

  8. 9. Figure for question 9

    • (a) Figure for question 9, option (a)
    • (b) Figure for question 9, option (b)
    • (c) Figure for question 9, option (c)
    • (d) Figure for question 9, option (d)
    Show answer

    Answer: (d)

  9. 10. Figure for question 10

    • (a) Figure for question 10, option (a)
    • (b) Figure for question 10, option (b)
    • (c) Figure for question 10, option (c)
    • (d) Figure for question 10, option (d)
    Show answer

    Answer: (a)

  10. 11. Figure for question 11

    • (a) Figure for question 11, option (a)
    • (b) Figure for question 11, option (b)
    • (c) Figure for question 11, option (c)
    • (d) Figure for question 11, option (d)
    Show answer

    Answer: (d)

  11. 12. Figure for question 12

    • (a) Figure for question 12, option (a)
    • (b) Figure for question 12, option (b)
    • (c) Figure for question 12, option (c)
    • (d) Figure for question 12, option (d)
    Show answer

    Answer: (a)

  12. 13. Figure for question 13

    • (a) Figure for question 13, option (a)
    • (b) Figure for question 13, option (b)
    • (c) Figure for question 13, option (c)
    • (d) Figure for question 13, option (d)
    Show answer

    Answer: (c)

  13. 14. Figure for question 14

    • (a) Figure for question 14, option (a)
    • (b) Figure for question 14, option (b)
    • (c) Figure for question 14, option (c)
    • (d) Figure for question 14, option (d)
    Show answer

    Answer: (a)

  14. 17. Figure for question 17

    • (a) Figure for question 17, option (a)
    • (b) Figure for question 17, option (b)
    • (c) Figure for question 17, option (c)
    • (d) Figure for question 17, option (d)
    Show answer

    Answer: (c)

  15. 18. Figure for question 18

    • (a) Figure for question 18, option (a)
    • (b) Figure for question 18, option (b)
    • (c) Figure for question 18, option (c)
    • (d) Figure for question 18, option (d)
    Show answer

    Answer: (d)

  16. 19. Figure for question 19

    • (a) CACB
    • (b) DACB
    • (c) BABC
    • (d) BBBB
    Show answer

    Answer: (c)

  17. 20. Figure for question 20

    • (a) Figure for question 20, option (a)
    • (b) Figure for question 20, option (b)
    • (c) Figure for question 20, option (c)
    • (d) Figure for question 20, option (d)
    Show answer

    Answer: (c)

  18. 21. Figure for question 21

    • (a) Figure for question 21, option (a)
    • (b) Figure for question 21, option (b)
    • (c) Figure for question 21, option (c)
    • (d) Figure for question 21, option (d)
    Show answer

    Answer: (b)

  19. 22. Figure for question 22

    • (a) Figure for question 22, option (a)
    • (b) Figure for question 22, option (b)
    • (c) Figure for question 22, option (c)
    • (d) Figure for question 22, option (d)
    Show answer

    Answer: (c)

  20. 23. Figure for question 23

    • (a) Figure for question 23, option (a)
    • (b) Figure for question 23, option (b)
    • (c) Figure for question 23, option (c)
    • (d) Figure for question 23, option (d)
    Show answer

    Answer: (b)

  21. 24. Figure for question 24

    • (a) Figure for question 24, option (a)
    • (b) Figure for question 24, option (b)
    • (c) Figure for question 24, option (c)
    • (d) Figure for question 24, option (d)
    Show answer

    Answer: (a)

  22. 25. Figure for question 25

    • (a) Figure for question 25, option (a)
    • (b) Figure for question 25, option (b)
    • (c) Figure for question 25, option (c)
    • (d) Figure for question 25, option (d)
    Show answer

    Answer: (a)

Quantitative Aptitude

  1. 1. Figure for question 1

    • (a) Figure for question 1, option (a)
    • (b) Figure for question 1, option (b)
    • (c) Figure for question 1, option (c)
    • (d) Figure for question 1, option (d)
    Show answer

    Answer: (b)

  2. 2. Figure for question 2

    • (a) Figure for question 2, option (a)
    • (b) Figure for question 2, option (b)
    • (c) Figure for question 2, option (c)
    • (d) Figure for question 2, option (d)
    Show answer

    Answer: (d)

  3. 3. Figure for question 3

    • (a) Figure for question 3, option (a)
    • (b) Figure for question 3, option (b)
    • (c) Figure for question 3, option (c)
    • (d) Figure for question 3, option (d)
    Show answer

    Answer: (c)

  4. 4. Figure for question 4

    • (a) Figure for question 4, option (a)
    • (b) Figure for question 4, option (b)
    • (c) Figure for question 4, option (c)
    • (d) Figure for question 4, option (d)
    Show answer

    Answer: (a)

  5. 5. Figure for question 5

    • (a) Figure for question 5, option (a)
    • (b) Figure for question 5, option (b)
    • (c) Figure for question 5, option (c)
    • (d) Figure for question 5, option (d)
    Show answer

    Answer: (c)

  6. 6. Figure for question 6

    • (a) Figure for question 6, option (a)
    • (b) Figure for question 6, option (b)
    • (c) Figure for question 6, option (c)
    • (d) Figure for question 6, option (d)
    Show answer

    Answer: (a)

  7. 7. Figure for question 7

    • (a) 9.23
    • (b) 8.23
    • (c) 7.14
    • (d) 10.23
    Show answer

    Answer: (a)

  8. 8. Figure for question 8

    • (a) Figure for question 8, option (a)
    • (b) Figure for question 8, option (b)
    • (c) Figure for question 8, option (c)
    • (d) Figure for question 8, option (d)
    Show answer

    Answer: (b)

  9. 9. Figure for question 9

    • (a) Figure for question 9, option (a)
    • (b) Figure for question 9, option (b)
    • (c) Figure for question 9, option (c)
    • (d) Figure for question 9, option (d)
    Show answer

    Answer: (c)

  10. 10. Figure for question 10

    • (a) Figure for question 10, option (a)
    • (b) Figure for question 10, option (b)
    • (c) Figure for question 10, option (c)
    • (d) Figure for question 10, option (d)
    Show answer

    Answer: (a)

  11. 11. Figure for question 11

    • (a) Figure for question 11, option (a)
    • (b) Figure for question 11, option (b)
    • (c) Figure for question 11, option (c)
    • (d) Figure for question 11, option (d)
    Show answer

    Answer: (b)

  12. 13. Figure for question 13

    • (a) Figure for question 13, option (a)
    • (b) Figure for question 13, option (b)
    • (c) Figure for question 13, option (c)
    • (d) Figure for question 13, option (d)
    Show answer

    Answer: (a)

  13. 15. Figure for question 15

    • (a) Figure for question 15, option (a)
    • (b) Figure for question 15, option (b)
    • (c) Figure for question 15, option (c)
    • (d) Figure for question 15, option (d)
    Show answer

    Answer: (d)

  14. 16. Figure for question 16

    • (a) Figure for question 16, option (a)
    • (b) Figure for question 16, option (b)
    • (c) Figure for question 16, option (c)
    • (d) Figure for question 16, option (d)
    Show answer

    Answer: (c)

  15. 17. Figure for question 17

    • (a) Figure for question 17, option (a)
    • (b) Figure for question 17, option (b)
    • (c) Figure for question 17, option (c)
    • (d) Figure for question 17, option (d)
    Show answer

    Answer: (a)

  16. 18. Figure for question 18

    • (a) Figure for question 18, option (a)
    • (b) Figure for question 18, option (b)
    • (c) Figure for question 18, option (c)
    • (d) Figure for question 18, option (d)
    Show answer

    Answer: (d)

  17. 19. Figure for question 19

    • (a) Figure for question 19, option (a)
    • (b) Figure for question 19, option (b)
    • (c) Figure for question 19, option (c)
    • (d) Figure for question 19, option (d)
    Show answer

    Answer: (a)

  18. 20. Figure for question 20

    • (a) Figure for question 20, option (a)
    • (b) Figure for question 20, option (b)
    • (c) Figure for question 20, option (c)
    • (d) Figure for question 20, option (d)
    Show answer

    Answer: (c)

  19. 21. Figure for question 21

    • (a) Figure for question 21, option (a)
    • (b) Figure for question 21, option (b)
    • (c) Figure for question 21, option (c)
    • (d) Figure for question 21, option (d)
    Show answer

    Answer: (d)

  20. 23. Figure for question 23

    • (a) Figure for question 23, option (a)
    • (b) Figure for question 23, option (b)
    • (c) Figure for question 23, option (c)
    • (d) Figure for question 23, option (d)
    Show answer

    Answer: (d)

  21. 24. Figure for question 24

    • (a) Figure for question 24, option (a)
    • (b) Figure for question 24, option (b)
    • (c) Figure for question 24, option (c)
    • (d) Figure for question 24, option (d)
    Show answer

    Answer: (b)

  22. 25. Figure for question 25

    • (a) Figure for question 25, option (a)
    • (b) Figure for question 25, option (b)
    • (c) Figure for question 25, option (c)
    • (d) Figure for question 25, option (d)
    Show answer

    Answer: (d)

General Awareness

  1. 1. Figure for question 1

    • (a) Figure for question 1, option (a)
    • (b) Figure for question 1, option (b)
    • (c) Figure for question 1, option (c)
    • (d) Figure for question 1, option (d)
    Show answer

    Answer: (a)

  2. 2. Figure for question 2

    • (a) Figure for question 2, option (a)
    • (b) Figure for question 2, option (b)
    • (c) Figure for question 2, option (c)
    • (d) Figure for question 2, option (d)
    Show answer

    Answer: (b)

  3. 3. Figure for question 3

    • (a) Figure for question 3, option (a)
    • (b) Figure for question 3, option (b)
    • (c) Figure for question 3, option (c)
    • (d) Figure for question 3, option (d)
    Show answer

    Answer: (d)

  4. 4. Figure for question 4

    • (a) Figure for question 4, option (a)
    • (b) Figure for question 4, option (b)
    • (c) Figure for question 4, option (c)
    • (d) Figure for question 4, option (d)
    Show answer

    Answer: (d)

  5. 5. Figure for question 5

    • (a) Figure for question 5, option (a)
    • (b) Figure for question 5, option (b)
    • (c) Figure for question 5, option (c)
    • (d) Figure for question 5, option (d)
    Show answer

    Answer: (d)

  6. 6. Figure for question 6

    • (a) Figure for question 6, option (a)
    • (b) Figure for question 6, option (b)
    • (c) Figure for question 6, option (c)
    • (d) Figure for question 6, option (d)
    Show answer

    Answer: (a)

  7. 8. Figure for question 8

    • (a) Figure for question 8, option (a)
    • (b) Figure for question 8, option (b)
    • (c) Figure for question 8, option (c)
    • (d) Figure for question 8, option (d)
    Show answer

    Answer: (b)

  8. 9. Figure for question 9

    • (a) Figure for question 9, option (a)
    • (b) Figure for question 9, option (b)
    • (c) Figure for question 9, option (c)
    • (d) Figure for question 9, option (d)
    Show answer

    Answer: (d)

  9. 10. Figure for question 10

    • (a) Figure for question 10, option (a)
    • (b) Figure for question 10, option (b)
    • (c) Figure for question 10, option (c)
    • (d) Figure for question 10, option (d)
    Show answer

    Answer: (a)

  10. 11. Figure for question 11

    • (a) Figure for question 11, option (a)
    • (b) Figure for question 11, option (b)
    • (c) Figure for question 11, option (c)
    • (d) Figure for question 11, option (d)
    Show answer

    Answer: (b)

  11. 12. Figure for question 12

    • (a) junk food producers
    • (b) instant food producers
    • (c) consumers of products
    • (d) social media influencers
    Show answer

    Answer: (d)

  12. 13. Figure for question 13

    • (a) Figure for question 13, option (a)
    • (b) Figure for question 13, option (b)
    • (c) Figure for question 13, option (c)
    • (d) Figure for question 13, option (d)
    Show answer

    Answer: (c)

  13. 15. Figure for question 15

    • (a) Figure for question 15, option (a)
    • (b) Figure for question 15, option (b)
    • (c) Figure for question 15, option (c)
    • (d) Figure for question 15, option (d)
    Show answer

    Answer: (c)

  14. 17. Figure for question 17

    • (a) Figure for question 17, option (a)
    • (b) Figure for question 17, option (b)
    • (c) Figure for question 17, option (c)
    • (d) Figure for question 17, option (d)
    Show answer

    Answer: (b)

  15. 18. Figure for question 18

    • (a) Figure for question 18, option (a)
    • (b) Figure for question 18, option (b)
    • (c) Figure for question 18, option (c)
    • (d) Figure for question 18, option (d)
    Show answer

    Answer: (a)

  16. 20. Figure for question 20

    • (a) Figure for question 20, option (a)
    • (b) Figure for question 20, option (b)
    • (c) Figure for question 20, option (c)
    • (d) Figure for question 20, option (d)
    Show answer

    Answer: (a)

  17. 21. Figure for question 21

    • (a) Figure for question 21, option (a)
    • (b) Figure for question 21, option (b)
    • (c) Figure for question 21, option (c)
    • (d) Figure for question 21, option (d)
    Show answer

    Answer: (d)

  18. 22. Figure for question 22

    • (a) Figure for question 22, option (a)
    • (b) Figure for question 22, option (b)
    • (c) Figure for question 22, option (c)
    • (d) Figure for question 22, option (d)
    Show answer

    Answer: (b)

  19. 24. Figure for question 24

    • (a) Figure for question 24, option (a)
    • (b) Figure for question 24, option (b)
    • (c) Figure for question 24, option (c)
    • (d) Figure for question 24, option (d)
    Show answer

    Answer: (d)

Show answers

Answer key

Answer key as marked in the Staff Selection Commission’s response sheet. “—” means the sheet did not show it clearly.

English Language

Q 1
(c)
Q 2
(d)
Q 3
(b)
Q 4
(c)
Q 5
(a)
Q 6
(c)
Q 7
(c)
Q 8
(b)
Q 9
(b)
Q 10
(a)
Q 11
(a)
Q 12
(c)
Q 13
(a)
Q 14
(a)
Q 15
(d)
Q 16
(a)
Q 17
(d)
Q 18
(b)
Q 21
(b)
Q 22
(d)
Q 23
(a)
Q 24
(a)
Q 25
(d)

General Intelligence

Q 1
(b)
Q 2
(a)
Q 3
(b)
Q 4
(b)
Q 5
(d)
Q 7
(d)
Q 8
(b)
Q 9
(d)
Q 10
(a)
Q 11
(d)
Q 12
(a)
Q 13
(c)
Q 14
(a)
Q 17
(c)
Q 18
(d)
Q 19
(c)
Q 20
(c)
Q 21
(b)
Q 22
(c)
Q 23
(b)
Q 24
(a)
Q 25
(a)

Quantitative Aptitude

Q 1
(b)
Q 2
(d)
Q 3
(c)
Q 4
(a)
Q 5
(c)
Q 6
(a)
Q 7
(a)
Q 8
(b)
Q 9
(c)
Q 10
(a)
Q 11
(b)
Q 13
(a)
Q 15
(d)
Q 16
(c)
Q 17
(a)
Q 18
(d)
Q 19
(a)
Q 20
(c)
Q 21
(d)
Q 23
(d)
Q 24
(b)
Q 25
(d)

General Awareness

Q 1
(a)
Q 2
(b)
Q 3
(d)
Q 4
(d)
Q 5
(d)
Q 6
(a)
Q 8
(b)
Q 9
(d)
Q 10
(a)
Q 11
(b)
Q 12
(d)
Q 13
(c)
Q 15
(c)
Q 17
(b)
Q 18
(a)
Q 20
(a)
Q 21
(d)
Q 22
(b)
Q 24
(d)