SSC CPO Paper 1Paper 10, booklet 7026679

Test booklet
प्रश्न पुस्तिका
Booklet No.
7026679
Series
B

SSC CPO Paper 1 Paper 10

Questions
100
Maximum marks
100
Minutes allowed
60

Roll No. assigned when you start

Instructions निर्देश

  1. This booklet has 100 questions in 4 parts: A. General Intelligence and Reasoning (25), B. General Knowledge and General Awareness (25), C. Quantitative Aptitude (25), D. English Comprehension (25).
  2. Each part has its own clock. When it runs out, that part closes and the next opens.
  3. Each question has 4 options and one right answer. A right answer earns 1 mark. A wrong answer costs 0.25. A question left blank scores nothing.
  4. Fill one bubble per question on the answer sheet. Unlike a real sheet, you can clear it and change your mind.

Scripting is off, so this page is a printed paper: answer on paper, then open each question’s working.

Part AGeneral Intelligence and Reasoning

25 questions, 1 mark each, 0.25 off for a wrong answer

  1. Pooja walks 13 km towards the south. She turns left and walks 13 km. She turns left and walks 13 km. How far is she from the starting point in a straight line?
    Question 1
    Answer and working

    Answer D

    Taking east and north as positive: she ends 13 km east and 0 km north of the start. Straight-line distance = √(13² + 0²) = 13 km.

  2. If ‘+’ means ‘−’, ‘−’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, what is the value of 38 − 10 × 10 ÷ 7 + 9?
    Question 2
    Answer and working

    Answer B

    Replace the signs: 38 × 10 ÷ 10 + 7 − 9. Division and multiplication first, then addition and subtraction: 36.

  3. In a certain code, PLANET is written as 68. How is EAGLE written in that code?
    Question 3
    Answer and working

    Answer D

    PLANET = 68 is the sum of the letters’ positions in the alphabet (A = 1 … Z = 26). For EAGLE: 5 + 1 + 7 + 12 + 5 = 30.

  4. If ‘+’ means ‘×’, ‘−’ means ‘÷’, ‘×’ means ‘+’, ‘÷’ means ‘−’, what is the value of 50 + 11 − 10 ÷ 6 × 2?
    Question 4
    Answer and working

    Answer A

    Replace the signs: 50 × 11 ÷ 10 − 6 + 2. Division and multiplication first, then addition and subtraction: 51.

  5. In a certain code, MONEY is written as KMLCW. How is SISTER written in that code?
    Question 5
    Answer and working

    Answer C

    From MONEY → KMLCW: each letter moves 2 places back. Applied to SISTER: QGQRCP.

  6. What is the angle between the hour and minute hands of a clock at 5:15?
    Question 6
    Answer and working

    Answer A

    Angle = |30H − 5.5M| = |150 − 82.5| = 67.5°. Answer: 67.5°. The hour hand moves too, half a degree a minute, which is why it is not 60°.

  7. Which number replaces the question mark? 27, 33, 40, 48, 57, 67, ?
    Question 7
    Answer and working

    Answer A

    The rule: the differences grow by 1: 6, 7, 8, 9, 10, 11. The missing term is 78.

  8. Which pair comes next? FU, HT, JS, LR, ?
    Question 8
    Answer and working

    Answer A

    The first letters move forward 2 (F, H, J, L); the second move back 1 (U, T, S, R). Next: NQ.

  9. Directions for questions 9 to 9

    Seven friends, Arun, Bina, Chetan, Divya, Esha, Farhan and Gopal, sit in a row facing north. Farhan does not sit at either end. Bina sits second to the left of Divya. Chetan sits second to the left of Arun. Arun sits immediately to the left of Gopal. Divya sits third to the right of Farhan.
  10. What is Gopal’s position from the left end?
    Question 9
    Answer and working

    Answer A

    Only one order fits every clue, from the left: Esha, Farhan, Bina, Chetan, Divya, Arun, Gopal. 7th.

  11. GIK : JLN :: QSU : ?
    Question 10
    Answer and working

    Answer C

    Each letter of GIK moves 3 forward to give JLN. Doing the same to QSU gives TVX.

  12. B is the brother of J. T is the daughter of B. J is the wife of Z. How is T related to Z?
    Question 11
    Answer and working

    Answer A

    Follow the links out from Z: J is Z’s wife; B is J’s brother; T is B’s daughter. So T is Z’s niece.

  13. 5 : 31 :: 9 : ?
    Question 12
    Answer and working

    Answer C

    31 = 5² + 5 + 1, the rule n² + n + 1. For 9: 9² + 9 + 1 = 91.

  14. Which pair comes next? EY, HW, KU, NS, ?
    Question 13
    Answer and working

    Answer C

    The first letters move forward 3 (E, H, K, N); the second move back 2 (Y, W, U, S). Next: QQ.

  15. JK : LM :: NO : ?
    Question 14
    Answer and working

    Answer B

    Each letter of JK moves 2 forward to give LM. Doing the same to NO gives PQ.

  16. Statements:
    (1) All clouds are bottles.
    (2) All birds are bottles.

    Conclusions:
    (I) Some birds are not clouds.
    (II) Some bottles are clouds.

    Take the statements to be true, however odd they sound. Which conclusion follows?
    Question 15
    Answer and working

    Answer B

    Conclusion I need not hold: every one of the birds may be clouds. Conclusion II holds in every diagram the statements allow. So: Only conclusion II follows.

  17. Which one does not belong with the others?
    Question 16
    Answer and working

    Answer C

    1331, 512, 27 are cubes; 144 is a square, not a cube. The odd one is 144.

  18. Tarun walks 15 km towards the north. He turns right and walks 11 km. He turns left and walks 2 km. Which direction is he facing now?
    Question 17
    Answer and working

    Answer C

    Each right turn is a quarter turn clockwise, each left anticlockwise. The last leg runs North.

  19. Which one does not belong with the others?
    Question 18
    Answer and working

    Answer B

    In the others the second number is 3n + 1 of the first; 3 : 9 breaks it. The odd one is 3 : 9.

  20. In the English alphabet, which letter is 9th to the left of the 17th letter from the right?
    Question 19
    Answer and working

    Answer C

    The 17th letter from the right is J (position 10). 9 places to the left: position 1, which is A.

  21. 1 January 2024 was a Monday. What day of the week was 1 January 2025?
    Question 20
    Answer and working

    Answer C

    2024 is a leap year: 366 days, 2 odd days. Monday + 2 = Wednesday.

  22. Which number replaces the question mark? 64, 125, 216, 343, 512, ?
    Question 21
    Answer and working

    Answer D

    The rule: the terms are 4³, 5³, 6³ …. The missing term is 729.

  23. Statements:
    (1) Some bells are kites.
    (2) All bells are bags.

    Conclusions:
    (I) Some kites are not bells.
    (II) Some bags are bells.

    Take the statements to be true, however odd they sound. Which conclusion follows?
    Question 22
    Answer and working

    Answer B

    Conclusion I need not hold: every one of the kites may be bells. Conclusion II holds in every diagram the statements allow. So: Only conclusion II follows.

  24. In a row of 35 students, Lata is 18th from the left. What is Lata’s position from the right?
    Question 23
    Answer and working

    Answer D

    Position from the right = total − position from the left + 1 = 35 − 18 + 1 = 18th.

  25. In a certain code, LEMON is written as NCOMP. How is RIVER written in that code?
    Question 24
    Answer and working

    Answer A

    From LEMON → NCOMP: letters in odd places move 2 forward, letters in even places move 2 back. Applied to RIVER: TGXCT.

  26. M is the brother of V. W is the son of M. How is W related to V?
    Question 25
    Answer and working

    Answer A

    Follow the links out from V: M is V’s brother; W is M’s son. So W is V’s nephew.

Part BGeneral Knowledge and General Awareness

25 questions, 1 mark each, 0.25 off for a wrong answer

  1. What is the currency of Croatia?
    Question 26
    Answer and working

    Answer B

    Croatia: euro.

    Source: Wikidata (CC0)

  2. Smriti Mandhana is associated with which sport?
    Question 27
    Answer and working

    Answer C

    Smriti Mandhana: cricket.

    Source: Wikidata (CC0)

  3. In which year was Nagaland formed as a state or union territory in its present form?
    Question 28
    Answer and working

    Answer D

    Nagaland: 1963.

    Source: Wikidata (CC0)

  4. Manas National Park, a UNESCO World Heritage Site, is in which state?
    Question 29
    Answer and working

    Answer C

    Manas National Park: Assam.

    Source: Wikidata (CC0)

  5. Baku is the capital of which country?
    Question 30
    Answer and working

    Answer A

    Baku: Azerbaijan.

    Source: Wikidata (CC0)

  6. Bargi Dam is built on which river?
    Question 31
    Answer and working

    Answer C

    Bargi Dam: Narmada.

    Source: Wikidata (CC0)

  7. The Bhagirathi river flows into which?
    Question 32
    Answer and working

    Answer C

    Bhagirathi River: Ganges.

    Source: Wikidata (CC0)

  8. What is the chemical symbol of iodine?
    Question 33
    Answer and working

    Answer A

    Iodine: I.

    Source: Wikidata (CC0)

  9. Which of these musicians is known for the santur?
    Question 34
    Answer and working

    Answer B

    santur: Shivkumar Sharma.

    Source: Wikidata (CC0)

  10. In which year was Indira Gandhi awarded the Bharat Ratna?
    Question 35
    Answer and working

    Answer D

    Indira Gandhi: 1971.

    Source: Wikidata (CC0)

  11. Girish Karnad received the Jnanpith Award in which year?
    Question 36
    Answer and working

    Answer B

    Girish Karnad: 1998.

    Source: Wikidata (CC0)

  12. In which year was IRNSS-1C launched?
    Question 37
    Answer and working

    Answer A

    IRNSS-1C: 2014.

    Source: Wikidata (CC0)

  13. Bhubaneswar is the capital of which state or union territory?
    Question 38
    Answer and working

    Answer A

    Bhubaneswar: Odisha.

    Source: Wikidata (CC0)

  14. Consider the following pairs of books and their authors:
    BookAuthor
    1.Satyarth PrakashZakariyya Kandhlawi
    2.PinjarAmrita Pritam
    3.Nazrul GeetiKazi Nazrul Islam
    How many of the pairs given above are correctly matched?
    Question 39
    Answer and working

    Answer B

    1. wrong: Satyarth Prakash goes with Dayananda Saraswati; 2. correct; 3. correct. So: Only two pairs.

    Source: Wikidata (CC0)

  15. Sundarbans National Park is in which state?
    Question 40
    Answer and working

    Answer A

    Sundarbans National Park: West Bengal.

    Source: Wikidata (CC0)

  16. What is the capital of Slovakia?
    Question 41
    Answer and working

    Answer A

    Slovakia: Bratislava.

    Source: Wikidata (CC0)

  17. In which year was Churches and Convents of Goa inscribed as a UNESCO World Heritage Site?
    Question 42
    Answer and working

    Answer C

    Churches and Convents of Goa: 1986.

    Source: Wikidata (CC0)

  18. In which year was the Battle of Assaye fought?
    Question 43
    Answer and working

    Answer B

    Battle of Assaye: 1803.

    Source: Wikidata (CC0)

  19. K. Balachander received the Dadasaheb Phalke Award for which year?
    Question 44
    Answer and working

    Answer C

    K. Balachander: 2010.

    Source: Wikidata (CC0)

  20. Biligiri Rangaswamy Temple Wildlife Sanctuary is in which state?
    Question 45
    Answer and working

    Answer D

    Biligiri Rangaswamy Temple Wildlife Sanctuary: Karnataka.

    Source: Wikidata (CC0)

  21. Who was the Chief Justice of India throughout 1999?
    Question 46
    Answer and working

    Answer A

    Adarsh Sein Anand held the office from 1998 to 2001.

    Source: Wikidata (CC0)

  22. Who was the Vice President of India throughout 1956?
    Question 47
    Answer and working

    Answer C

    Sarvepalli Radhakrishnan held the office from 1952 to 1962.

    Source: Wikidata (CC0)

  23. International Day for the Abolition of Slavery is observed on which date?
    Question 48
    Answer and working

    Answer C

    International Day for the Abolition of Slavery: December 2.

    Source: Wikidata (CC0)

  24. Which of these Ramsar sites is in West Bengal?
    Question 49
    Answer and working

    Answer A

    West Bengal: East Kolkata Wetlands.

    Source: Wikidata (CC0)

  25. Where is the headquarters of the International Astronomical Union?
    Question 50
    Answer and working

    Answer A

    International Astronomical Union: Paris.

    Source: Wikidata (CC0)

Part CQuantitative Aptitude

25 questions, 1 mark each, 0.25 off for a wrong answer

  1. In what ratio must rice at ₹32/kg be mixed with rice at ₹54/kg so that the mixture is worth ₹45/kg?
    Question 51
    Answer and working

    Answer B

    By alligation: cheaper : dearer = (54 − 45) : (45 − 32) = 9 : 13 = 9 : 13.

  2. The HCF and LCM of two numbers are 7 and 588. If one of the numbers is 84, what is the other?
    Question 52
    Answer and working

    Answer A

    HCF × LCM = product of the numbers, so the other = 7 × 588 ÷ 84 = 49.

  3. What is the mode of these numbers: 57, 43, 16, 13, 43, 36, 43, 52, 46?
    Question 53
    Answer and working

    Answer A

    43 occurs most often (3 times): 43.

  4. If A : B = 5 : 4 and B : C = 7 : 5, what is A : B : C?
    Question 54
    Answer and working

    Answer C

    Make B the same in both: A : B = 35 : 28 and B : C = 28 : 20. So A : B : C = 35 : 28 : 20.

  5. A boat covers 32 km downstream in 2 hours and 56 km upstream in 4 hours. What is the speed of the stream?
    Question 55
    Answer and working

    Answer A

    Downstream speed = 32 ÷ 2 = 16 km/h; upstream = 56 ÷ 4 = 14 km/h. Stream = (16 − 14) ÷ 2 = 1 km/h.

  6. A train 360 m long passes a signal post in 18 seconds. What is its speed in km/h?
    Question 56
    Answer and working

    Answer A

    Speed = 360 ÷ 18 = 20 m/s = 20 × 18/5 = 72 km/h.

  7. The sum of the present ages of a father and his son is 60 years. 4 years ago, the father was 3 times as old as the son. How old is the son now?
    Question 57
    Answer and working

    Answer C

    Let the son be s. Then (60 − s − 4) = 3(s − 4), so 68 = 4s and s = 17 years.

  8. If x + 1⁄x = 3, what is x³ + 1⁄x³?
    Question 58
    Answer and working

    Answer C

    x³ + 1/x³ = (x + 1/x)³ − 3(x + 1/x) = 27 − 9 = 18.

  9. What is the smallest number which, when divided by 12, 10 or 4, leaves a remainder of 1 in each case?
    Question 59
    Answer and working

    Answer C

    LCM of 12, 10, 4 = 60. Add the remainder: 60 + 1 = 61.

  10. 342 is what percent of 2,280?
    Question 60
    Answer and working

    Answer A

    342 ÷ 2,280 × 100 = 15%.

  11. Two trains 230 m and 130 m long run on parallel tracks in opposite directions at 65 km/h and 79 km/h. How long do they take to cross each other?
    Question 61
    Answer and working

    Answer A

    Relative speed = 65 + 79 = 144 km/h = 40 m/s. Distance = 230 + 130 = 360 m. Time = 360 ÷ 40 = 9 seconds.

  12. A shopkeeper marks an article 20% above its cost price and allows a discount of 10%. If the article was sold for ₹972, what was its cost price?
    Question 62
    Answer and working

    Answer D

    SP = CP × 1.2 × 0.9 = CP × 1.08. So CP = 972 ÷ 1.08 = ₹900.

  13. The incomes of P and Q are in the ratio 5 : 9 and their expenditures are in the ratio 3 : 7. If each saves ₹2,000 a month, what is P’s monthly income?
    Question 63
    Answer and working

    Answer C

    Incomes 5x and 9x. (5x − 2,000) : (9x − 2,000) = 3 : 7 gives x = 1,000. P’s income = 5 × 1,000 = ₹5,000.

  14. What is the value of 83² − 71²?
    Question 64
    Answer and working

    Answer A

    a² − b² = (a + b)(a − b) = 154 × 12 = 1,848.

  15. A and B together can do a job in 12 days. A alone can do it in 16 days. In how many days can B alone do it?
    Question 65
    Answer and working

    Answer D

    B’s one day = 1/12 − 1/16 = 1/48. B alone takes 48 days.

  16. What is the difference between the compound interest and the simple interest on ₹37,500 for 2 years at 4% per annum?
    Question 66
    Answer and working

    Answer C

    For 2 years, CI − SI = P × (R/100)² = 37,500 × (4/100)² = ₹60.

  17. Two taps can fill a cistern in 6 minutes and 12 minutes respectively. If both are opened together, how long will it take to fill the cistern?
    Question 67
    Answer and working

    Answer B

    Together per minute: 1/6 + 1/12 = 1/4. Time = 6 × 12 ÷ 18 = 4 minutes.

  18. If tan θ = 7⁄24 and θ is acute, what is cot θ?
    Question 68
    Answer and working

    Answer A

    Draw a right triangle with sides 7, 24 and hypotenuse 25 (7² + 24² = 25²). Then cot θ = 24⁄7.

  19. A rectangular plot has a perimeter of 54 m and a length of 18 m. What is its area?
    Question 69
    Answer and working

    Answer A

    Length + breadth = 54 ÷ 2 = 27, so breadth = 9 m. Area = 18 × 9 = 162 m².

  20. Simplify: 11⁄12 + 5⁄6 + 1⁄2
    Question 70
    Answer and working

    Answer B

    Over the common denominator 24: the sum is 9⁄4. Adding tops and bottoms separately (20/26) is the trap.

  21. The average of 5 numbers is 41. When one number is removed, the average of the rest is 38. Which number was removed?
    Question 71
    Answer and working

    Answer A

    Total of 5 = 5 × 41 = 205. Total of 4 = 4 × 38 = 152. Removed = 205 − 152 = 53.

  22. The simple interest on a sum for 3 years at 5% per annum is ₹3,450. What is the sum?
    Question 72
    Answer and working

    Answer A

    P = SI × 100 / (R × T) = 3,450 × 100 / (5 × 3) = ₹23,000.

  23. 725 is what percent of 1,160?
    Question 73
    Answer and working

    Answer C

    725 ÷ 1,160 × 100 = 62.5%.

  24. The average weight of 10 people goes up by 3 kg when a new person takes the place of one who weighs 50 kg. What does the new person weigh?
    Question 74
    Answer and working

    Answer B

    The total rises by 10 × 3 = 30 kg, so the new person weighs 50 + 30 = 80 kg.

  25. What is each interior angle of a regular polygon with 6 sides?
    Question 75
    Answer and working

    Answer C

    Each exterior angle = 360° ÷ 6 = 60°. Interior = 180° − 60° = 120°.

Part DEnglish Comprehension

25 questions, 1 mark each, 0.25 off for a wrong answer

  1. Select the word opposite in meaning to the given word.
    Elitist
    Question 76
    Answer and working

    Answer D

    The opposite of elitist is Egalitarian.

    Source: WordNet 3.1

  2. Select the word closest in meaning to the given word.
    Reestablish
    Question 77
    Answer and working

    Answer D

    Reestablish (verb) and Reinstate share their main meaning. None of the other options does.

    Source: WordNet 3.1

  3. Select the one word that can replace the given group of words.
    An extreme bellicose nationalist
    Question 78
    Answer and working

    Answer A

    Jingo: an extreme bellicose nationalist.

    Source: WordNet 3.1

  4. Select the one word that can replace the given group of words.
    A member of a European light cavalry unit
    Question 79
    Answer and working

    Answer B

    Hussar: a member of a European light cavalry unit.

    Source: WordNet 3.1

  5. Select the word closest in meaning to the given word.
    Snuggle
    Question 80
    Answer and working

    Answer B

    Snuggle (noun) and Cuddle share their main meaning. None of the other options does.

    Source: WordNet 3.1

  6. Select the one word that can replace the given group of words.
    Someone who practices self denial as a spiritual discipline
    Question 81
    Answer and working

    Answer C

    Ascetic: someone who practices self denial as a spiritual discipline.

    Source: WordNet 3.1

  7. Select the word closest in meaning to the given word.
    Unfreeze
    Question 82
    Answer and working

    Answer C

    Unfreeze (verb) and Melt share their main meaning. None of the other options does.

    Source: WordNet 3.1

  8. Select the word opposite in meaning to the given word.
    Windward
    Question 83
    Answer and working

    Answer D

    The opposite of windward is Leeward.

    Source: WordNet 3.1

  9. Select the correctly spelt word.
    Question 84
    Answer and working

    Answer A

    The correct spelling is inexplicable.

  10. Select the correctly spelt word.
    Question 85
    Answer and working

    Answer B

    The correct spelling is occupant.

  11. Select the correctly spelt word.
    Question 86
    Answer and working

    Answer A

    The correct spelling is pessimistic.

  12. Select the one word that can replace the given group of words.
    Someone who washes dishes
    Question 87
    Answer and working

    Answer A

    Dishwasher: someone who washes dishes.

    Source: WordNet 3.1

  13. Select the one word that can replace the given group of words.
    Someone who inflicts severe physical pain
    Question 88
    Answer and working

    Answer B

    Torturer: someone who inflicts severe physical pain.

    Source: WordNet 3.1

  14. Select the correctly spelt word.
    Question 89
    Answer and working

    Answer D

    The correct spelling is unmistakable.

  15. Select the word closest in meaning to the given word.
    Pleasurable
    Question 90
    Answer and working

    Answer D

    Pleasurable (adjective) and Enjoyable share their main meaning. None of the other options does.

    Source: WordNet 3.1

  16. Select the incorrectly spelt word.
    Question 91
    Answer and working

    Answer A

    suffocatte is wrong; it is spelt suffocate. The others are correct.

  17. Select the word opposite in meaning to the given word.
    Optimistic
    Question 92
    Answer and working

    Answer B

    The opposite of optimistic is Pessimistic.

    Source: WordNet 3.1

  18. Select the correctly spelt word.
    Question 93
    Answer and working

    Answer B

    The correct spelling is refinery.

  19. Select the word opposite in meaning to the given word.
    Outlaw
    Question 94
    Answer and working

    Answer D

    The opposite of outlaw is Legalize.

    Source: WordNet 3.1

  20. Select the correctly spelt word.
    Question 95
    Answer and working

    Answer C

    The correct spelling is amicable.

  21. Select the word closest in meaning to the given word.
    Bias
    Question 96
    Answer and working

    Answer B

    Bias (noun) and Prejudice share their main meaning. None of the other options does.

    Source: WordNet 3.1

  22. Select the word opposite in meaning to the given word.
    Optimist
    Question 97
    Answer and working

    Answer B

    The opposite of optimist is Pessimist.

    Source: WordNet 3.1

  23. Select the word closest in meaning to the given word.
    Inane
    Question 98
    Answer and working

    Answer C

    Inane (adjective) and Asinine share their main meaning. None of the other options does.

    Source: WordNet 3.1

  24. Select the word closest in meaning to the given word.
    Roomy
    Question 99
    Answer and working

    Answer B

    Roomy (adjective) and Spacious share their main meaning. None of the other options does.

    Source: WordNet 3.1

  25. Select the word closest in meaning to the given word.
    Ruckus
    Question 100
    Answer and working

    Answer C

    Ruckus (noun) and Commotion share their main meaning. None of the other options does.

    Source: WordNet 3.1