- Test booklet
- प्रश्न पुस्तिका
- Booklet No.
- 1091015
- Series
- C
SSC CPO Paper 1 Paper 1
- Questions
- 100
- Maximum marks
- 100
- Minutes allowed
- 60
Instructions निर्देश
- 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).
- Each part has its own clock. When it runs out, that part closes and the next opens.
- 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.
- 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
-
Which one does not belong with the others?
Answer and working
Answer D
54, 36, 63 are multiples of 9; 79 is not. The odd one is 79.
-
In the English alphabet, which letter is 7th to the right of the 6th letter from the left?
Answer and working
Answer D
The 6th letter from the left is F (position 6). 7 places to the right: position 13, which is M.
-
6 : 210 :: 12 : ?
Answer and working
Answer C
210 = 6³ − 6, the rule n³ − n. For 12: 12³ − 12 = 1,716.
-
In a certain code, MANGO is written as PDQJR. How is GARDEN written in that code?
Answer and working
Answer C
From MANGO → PDQJR: each letter moves 3 places forward. Applied to GARDEN: JDUGHQ.
-
In a class, Ravi ranks 29th from the top and 18th from the bottom. How many students are in the class?
Answer and working
Answer B
Ravi is counted in both ranks, so the total is 29 + 18 − 1 = 46.
-
Pointing to a woman in a photograph, Tarun said, ‘Her mother is the only daughter of my mother.’ How is the woman related to Tarun?
Answer and working
Answer A
The only daughter of my mother is my sister, so the child is my sister’s. So the woman is Tarun’s niece.
-
Which number replaces the question mark? 6, 7, 16, 51, ?, 1,045
Answer and working
Answer B
The rule: each term is the previous × 1 + 1, × 2 + 2, × 3 + 3, and so on. The missing term is 208.
-
3 : 27 :: 8 : ?
Answer and working
Answer A
27 = 3³, the rule n³. For 8: 8³ = 512.
-
What day of the week was 21 October 1990?
Answer and working
Answer C
1 January 1901 was a Tuesday. From then to 21 October 1990 is 32,800 days; 32,800 ÷ 7 leaves 5, so the day is 5 on from Tuesday: Sunday.
-
At what time between 5 and 6 o’clock are the hands of a clock together?
Answer and working
Answer D
The minute hand gains 11/2° a minute and must gain 150°. Time = 150 ÷ 5.5 = 60 × 5/11 = 273⁄11 minutes past 5.
-
H is the daughter of J. J is the son of G. How is H related to G?
Answer and working
Answer B
Follow the links out from G: J is G’s son; H is J’s daughter. So H is G’s granddaughter.
-
Kabir walks 8 km towards the east. He turns right and walks 15 km. He turns left and walks 6 km. He turns right and walks 14 km. In which direction is he from the starting point?
Answer and working
Answer C
Taking east and north as positive: he ends 14 km east and 29 km south of the start, which is to the South-east.
-
Statements:
(1) No roads are birds.
(2) All lamps are birds.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) No lamps are birds.
(II) No birds are lamps.Answer and working
Answer D
Conclusion I need not hold: lamps and birds may overlap. Conclusion II need not hold: birds and lamps may overlap. So: Neither conclusion follows.
Directions for questions 14 to 14
Six friends, Arun, Bina, Chetan, Divya, Esha and Farhan, sit in a row facing north. Esha does not sit at either end. Farhan sits second to the right of Arun. Exactly 2 people sit between Divya and Arun. Exactly 3 people sit between Chetan and Esha.-
Who sits at the extreme left end?
Answer and working
Answer A
Only one order fits every clue, from the left: Arun, Esha, Farhan, Divya, Bina, Chetan. Arun.
-
Which number replaces the question mark? 27, 29, 33, 39, 47, 57, ?
Answer and working
Answer B
The rule: the differences grow by 2: 2, 4, 6, 8, 10, 12. The missing term is 69.
-
If ‘+’ means ‘×’, ‘−’ means ‘÷’, ‘×’ means ‘−’, ‘÷’ means ‘+’, what is the value of 45 + 11 − 5 ÷ 5 × 10?
Answer and working
Answer C
Replace the signs: 45 × 11 ÷ 5 + 5 − 10. Division and multiplication first, then addition and subtraction: 94.
-
Which letter comes next? C, F, I, L, O, ?
Answer and working
Answer A
Each letter moves 3 places forward in the alphabet: C → F → I → L → O → R.
-
If ‘+’ means ‘×’, ‘−’ means ‘÷’, ‘×’ means ‘+’, ‘÷’ means ‘−’, what is the value of 34 ÷ 5 + 5 − 5 × 5?
Answer and working
Answer D
Replace the signs: 34 − 5 × 5 ÷ 5 + 5. Division and multiplication first, then addition and subtraction: 34.
-
Which group comes next? CEG, HJL, MOQ, ?
Answer and working
Answer D
Inside each group the letters step by 2; each group starts 5 letters after the last (C, H, M). Next: RTV.
-
Tarun walks 5 km towards the west. He turns left and walks 10 km. He turns left and walks 13 km. He turns right and walks 5 km. How far, and in which direction, is he from the starting point?
Answer and working
Answer B
Taking east and north as positive: he ends 8 km east and 15 km south of the start. Distance = √(8² + 15²) = 17 km. 17 km, south-east.
-
7 : 56 :: 12 : ?
Answer and working
Answer A
56 = 7 × 8, the rule n(n + 1). For 12: 12 × 13 = 156.
-
Statements:
(1) Some tables are buses.
(2) Some buses are planes.Conclusions:
Take the statements to be true, however odd they sound. Which conclusion follows?
(I) Some planes are buses.
(II) No tables are buses.Answer and working
Answer A
Conclusion I holds in every diagram the statements allow. Conclusion II need not hold: tables and buses may overlap. So: Only conclusion I follows.
-
Which one does not belong with the others?
Answer and working
Answer A
In the others the second number is 3n + 1 of the first; 4 : 16 breaks it. The odd one is 4 : 16.
-
In a certain code, MOTHER is written as LNSGDQ. How is CHALK written in that code?
Answer and working
Answer A
From MOTHER → LNSGDQ: each letter moves 1 place back. Applied to CHALK: BGZKJ.
-
Which one does not belong with the others?
Answer and working
Answer D
In the others the letters are 3 apart (GJM); in ADH the last gap is 4. The odd one is ADH.
Part BGeneral Knowledge and General Awareness
-
Bhitarkanika Mangroves, a Ramsar wetland, is in which state?
Answer and working
-
In which year was IRNSS-1A launched?
Answer and working
-
In which year was Western Ghats inscribed as a UNESCO World Heritage Site?
Answer and working
-
Who was the Chief Justice of India throughout 1960?
Answer and working
-
Who was the Chief Justice of India throughout 1975?
Answer and working
-
Which of these dams is on the Damodar River?
Answer and working
-
International Workers' Day is observed on which date?
Answer and working
-
Chandrashekhara Kambara received the Jnanpith Award in which year?
Answer and working
-
Which of these World Heritage Sites is in Telangana?
Answer and working
-
In which year was Bidhan Chandra Roy awarded the Bharat Ratna?
Answer and working
-
Who wrote ‘Q & A’?
Answer and working
-
In which year was the Battle of Aliwal fought?
Answer and working
-
Sri Venkateswara National Park is in which state?
Answer and working
-
Which of these organisations has its headquarters in Beijing?
Answer and working
-
Vaishali Rameshbabu is associated with which sport?
Answer and working
-
What is the capital of Arunachal Pradesh?
Answer and working
-
Which element has the symbol Ni?
Answer and working
-
In which year was Himachal Pradesh formed as a state or union territory in its present form?
Answer and working
-
Kavaratti is the capital of which state or union territory?
Answer and working
-
Mukundra Hills Tiger Reserve is in which state?
Answer and working
-
Which of these musicians is known for the surbahar?
Answer and working
-
Consider the following pairs of countries and their currencies:
How many of the pairs given above are correctly matched?Country Currency 1. Syria Syrian pound 2. Laos Lao kip 3. Andorra Chilean peso Answer and working
Answer B
1. correct; 2. correct; 3. wrong: Andorra goes with euro. So: Only two pairs.
Source: Wikidata (CC0)
-
What is the capital of Cuba?
Answer and working
-
Yash Chopra received the Dadasaheb Phalke Award for which year?
Answer and working
-
The Betwa river flows into which?
Answer and working
Part CQuantitative Aptitude
-
The present ages of Asha and her elder brother are in the ratio 5 : 6. After 3 years, the ratio will be 6 : 7. What is Asha’s present age?
Answer and working
Answer B
Ages 5x and 6x. (5x + 3) : (6x + 3) = 6 : 7 gives x = 3. Asha is 5 × 3 = 15 years.
-
A is twice as efficient as B. Together they finish a job in 22 days. How long would A take alone?
Answer and working
Answer D
If B does 1 unit a day, A does 2; together 3 units a day for 22 days = 66 units. A alone: 66 ÷ 2 = 33 days.
-
If sin θ = 20⁄29 and θ is acute, what is cosec θ?
Answer and working
Answer B
Draw a right triangle with sides 20, 21 and hypotenuse 29 (20² + 21² = 29²). Then cosec θ = 29⁄20.
-
What is the mean of these numbers: 56, 55, 42, 50, 26, 19, 51, 57, 13?
Answer and working
Answer B
Sum 369 ÷ 9 = 41.
-
What is the LCM of 150, 105 and 45?
Answer and working
Answer D
150 = 2 × 3 × 5²; 105 = 3 × 5 × 7; 45 = 3² × 5. Each prime at its highest power: 2 × 3² × 5² × 7 = 3,150.
-
A trader buys a bicycle for ₹850 and sells it for ₹986. What is the profit or loss percent?
Answer and working
Answer A
Profit = ₹136. As a percent of the cost price: 136 ÷ 850 × 100 = 16% profit.
-
If a − b = 8 and ab = 33, what is a³ − b³?
Answer and working
Answer D
a³ − b³ = (a − b)³ + 3ab(a − b) = 512 + 792 = 1,304.
-
A boat covers 60 km downstream in 5 hours and 24 km upstream in 3 hours. What is the speed of the stream?
Answer and working
Answer A
Downstream speed = 60 ÷ 5 = 12 km/h; upstream = 24 ÷ 3 = 8 km/h. Stream = (12 − 8) ÷ 2 = 2 km/h.
-
What is 45% of 1,000?
Answer and working
Answer D
45% of 1,000 = 1,000 × 45/100 = 450.
-
A sum of money becomes three times itself in 10 years at simple interest. What is the rate of interest per annum?
Answer and working
Answer B
The interest earned is 2 times the principal in 10 years. Rate = 2 × 100 / 10 = 20%.
-
What is the mean proportional between 180 and 80?
Answer and working
Answer A
Mean proportional = √(180 × 80) = √14400 = 120.
-
If x + 1⁄x = 5, what is x³ + 1⁄x³?
Answer and working
Answer D
x³ + 1/x³ = (x + 1/x)³ − 3(x + 1/x) = 125 − 15 = 110.
-
What is the HCF of 96, 208 and 80?
Answer and working
Answer C
96 = 2⁵ × 3; 208 = 2⁴ × 13; 80 = 2⁴ × 5. The factors common to all three: 2⁴ = 16.
-
What is the difference between the compound interest and the simple interest on ₹49,300 for 2 years at 10% per annum?
Answer and working
Answer C
For 2 years, CI − SI = P × (R/100)² = 49,300 × (10/100)² = ₹493.
-
A box measures 6 cm × 15 cm × 5 cm. What is its volume?
Answer and working
Answer D
Volume = l × b × h = 6 × 15 × 5 = 450 cm³.
-
The average of 6 numbers is 33. When one number is removed, the average of the rest is 36. Which number was removed?
Answer and working
Answer A
Total of 6 = 6 × 33 = 198. Total of 5 = 5 × 36 = 180. Removed = 198 − 180 = 18.
-
A scooter runs at 108 km/h. What is its speed in metres per second?
Answer and working
Answer A
Multiply by 5/18: 108 × 5/18 = 30 m/s.
-
Pipe A fills a tank in 14 hours; pipe B empties the full tank in 21 hours. If both are opened together on an empty tank, when will it be full?
Answer and working
Answer D
Net filling per hour = 1/14 − 1/21 = 1/42. Time = 42 hours.
-
What is √144 + √289 − √441?
Answer and working
Answer A
12 + 17 − 21 = 8.
-
A shopkeeper marks his goods 25% above the cost price and allows a discount of 25%. What is his profit or loss percent?
Answer and working
Answer D
Take CP = 100. Marked price = 125. After 25% off: 125 × 75/100 = 93.75. So 6.25% loss.
-
A rectangular plot has a perimeter of 128 m and a length of 54 m. What is its area?
Answer and working
Answer A
Length + breadth = 128 ÷ 2 = 64, so breadth = 10 m. Area = 54 × 10 = 540 m².
-
An angle is 6° more than its complement. What is the angle?
Answer and working
Answer A
a + (a − 6) = 90, so 2a = 96 and a = 48°.
-
In what ratio must rice at ₹30/kg be mixed with rice at ₹49/kg so that the mixture is worth ₹34/kg?
Answer and working
Answer B
By alligation: cheaper : dearer = (49 − 34) : (34 − 30) = 15 : 4 = 15 : 4.
-
910 is what percent of 1,040?
Answer and working
Answer A
910 ÷ 1,040 × 100 = 87.5%.
-
Simplify: 1⁄6 + 3⁄5 + 1⁄3
Answer and working
Answer A
Over the common denominator 30: the sum is 11⁄10. Adding tops and bottoms separately (5/14) is the trap.
Part DEnglish Comprehension
-
Select the one word that can replace the given group of words.
A man skilled in equitationAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer C
exponenteally is wrong; it is spelt exponentially. The others are correct.
-
Select the word opposite in meaning to the given word.
TallAnswer and working
-
Select the word closest in meaning to the given word.
UndressAnswer and working
Answer D
Undress (verb) and Strip share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the one word that can replace the given group of words.
A stingy hoarder of money and possessionsAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer B
The correct spelling is aggravate.
-
Select the incorrectly spelt word.
Answer and working
Answer A
intirviewer is wrong; it is spelt interviewer. The others are correct.
-
Select the one word that can replace the given group of words.
One of the mourners carrying the coffin at a funeralAnswer and working
-
Select the correctly spelt word.
Answer and working
Answer D
The correct spelling is terminally.
-
Select the word closest in meaning to the given word.
TrickleAnswer and working
Answer A
Trickle (verb) and Dribble share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
DownstairsAnswer and working
-
Select the word opposite in meaning to the given word.
PrideAnswer and working
-
Select the word closest in meaning to the given word.
ArdentAnswer and working
Answer D
Ardent (adjective) and Fiery share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
UnderlineAnswer and working
Answer C
Underline (verb) and Emphasize share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word closest in meaning to the given word.
BicycleAnswer and working
Answer D
Bicycle (verb) and Bike share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the one word that can replace the given group of words.
Someone who rebels and becomes an outlawAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer A
deceatful is wrong; it is spelt deceitful. The others are correct.
-
Select the word opposite in meaning to the given word.
FameAnswer and working
Answer A
The opposite of fame is Infamy. Celebrity is the trap: it means the same, not the opposite.
Source: WordNet 3.1
-
Select the incorrectly spelt word.
Answer and working
Answer A
impetient is wrong; it is spelt impatient. The others are correct.
-
Select the one word that can replace the given group of words.
The helmsman of a ship's boat or a racing crewAnswer and working
-
Select the incorrectly spelt word.
Answer and working
Answer B
biologicaly is wrong; it is spelt biologically. The others are correct.
-
Select the correctly spelt word.
Answer and working
Answer C
The correct spelling is residence.
-
Select the word closest in meaning to the given word.
RicketyAnswer and working
Answer C
Rickety (adjective) and Shaky share their main meaning. None of the other options does.
Source: WordNet 3.1
-
Select the word opposite in meaning to the given word.
SuccessAnswer and working
-
Select the word closest in meaning to the given word.
UnfreezeAnswer and working
Answer B
Unfreeze (verb) and Melt share their main meaning. None of the other options does.
Source: WordNet 3.1