0SSC CHSL Previous Year Question/Answers
Set - 1
G.K Section (1-10 Questions)
QID 1. Barograph was invented by:
Options: 1) Lucien Vidi 2) John Venn 3) Theophilus Van Kannel 4) Lewis Urry.
Correct Answer: Lucien Vidi
QID 2. Diabetes is caused by:
Options: 1) Excess of insulin 2) Low production of Insulin 3) Malfunction of liver 4) Higher production of bilirubin.
Correct Answer: Low production of Insulin.
QID 3. Tectona grandis Linn is the scientific name of:
Options: 1) Guava 2) Teak 3) Amla 4) Chiku.
Correct Answer: Teak.
QID 4. Sea-Anemones belongs to the phylum:
Options: 1) Arthropoda 2) Cnidaria 3) Porifera 4) Mollusca.
Correct Answer: Cnidaria.
QID 5. Which among the following is present inside the nucleus of an atom?
Options: 1) Protons and Neutrons 2) Electrons and Protons 3) Neutrons and Electrons 4) Neutrons, Protons, Electrons.
Correct Answer: Protons and Neutrons.
QID 6. What is baking soda?
Options: 1) Aluminium bicarbonate 2) Sodium isolate 3) Sodium bicarbonate 4) Aluminium sulphate.
Correct Answer: Sodium bicarbonate.
QID 7. Elephanta Caves is in:
Options: 1) Maharashtra 2) Orissa 3) Rajasthan 4) Sikkim.
Correct Answer: Maharashtra.
QID 8. Which of the following is a classical dance from North India?
Options: 1) Bharatanatyam 2) Kuchipudi 3) Kathak 4) Kathakali.
Correct Answer: Kathak.
QID 9. Dissolved oxygen in rivers is close to _________ parts per million.
Options: 1) 125 2) 25 3) 5 4) 0.
Correct Answer: 5.
QID 10. Which of the following is also known as a Common Water Hyacinth?
Options: 1) Pistia 2) Opuntia 3) Aegilops 4) Echhornia.
Correct Answer: Echhornia.
English Sections Questions:
QID 1. In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Open to more than one interpretation; not having one obvious meaning.
Options: 1) Trite 2) Opposite 3) Exceptional 4) Ambiguous.
Correct Answer: Ambiguous.
QID 2. Select the word with the correct spelling.
Options: 1) Humanoide 2) Rickshaw 3) Deviance 4) Virtuos.
Correct Answer: Deviance.
QID 3. Select the antonym of vibrant:
Options: 1) Drab 2) Gaudy 3) Jazzy 4) Vivid
Correct Answer: Drab
QID 4. In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
If you are caught using a calculator in the exam then it will be ______________.
Options: 1) Taken 2) Confiscated 3) Confisticate 4) Under possession.
Correct Answer: Confiscated.
QID 5. In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.
"Please don't hit me" Rita said to the attacker.
Options:
1) Rita begged the attacker to not to hit her.
2) Rita told the attacker to not hit her.
3) Rita begged the attacker not to hit her.
4) Rita pleaded with the attacker to not to hit her.
Correct Answer: Rita begged the attacker not to hit her.
QID 6. Select the synonym of dignity
Options: 1) Decency 2) Immoral 3) Primacy 4) Chagrin
Correct Answer: Decency
QID 7. In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Indian Defence forces(A) /fought the enemy(B) /till the last soldier was standing(C) /No error(D).
Options: 1) A 2) B 3) C 4) D
Correct Answer: A
QID 8. Choose the synonym of defecate
Options: 1) Chaff 2) Quench 3) iIngest 4) Secrete
Correct Answer: Secrete
QID 9. Select the word with the correct spelling.
Options: 1) Bargundy 2) Panacea 3) Revolwer 4) Cantinue.
Correct Answer: Panacea
QID 10. In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
_______ and my younger brother went to the movies all by ourselves.
Options: 1) I 2) Mine 3) Myself 4) My own self.
Correct Answer: I
Maths Sections (1-10 Questions):
QID 1. In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 10 cm, 5 cm and 6 cm respectively. What is the length of BC?
Options: 1) 9 cm 2) 2 cm 3) 3 cm 4) 11 cm
Correct Answer: 9 cm
QID 2. If 2x - 1 < 5x + 2 and 2x + 5 < 6 - 3x, then x can take which of the following values?
Options: 1) 1 2) 0 3) 2 4) -2.
Correct Answer: 0.
QID 3. A carpenter can build a cupboard in 60 hours. After 15 hours he takes a break. What fraction of the cupboard is yet to be built?
Options: 1) 0.5 2) 0.9 3) 0.75 4) 0.25
Correct Answer: 0.75
QID 4. There is 75% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs 40000 after 2 years at the same rate?
Options: 1) Rs 25800 25800 2) Rs 32250 32250 3) Rs 12900 12900 4) Rs 19350 19350
Correct Answer: Rs 12900 12900.
QID 5. Which of the following equations has the sum of its roots as 5?
Options: 1) x2 - 5x + 6 = 0 2) x2 - 5x - 6 = 0 3) x2 + 5x + 6 = 0 4) x2 + 5x - 6 = 0.
Correct Answer: x2 - 5x + 6 = 0.
QID 6. The base angle of an isosceles trapezium is 45°. If the shorter side and both the equal sides are 10 cm each, what is the area of the trapezium?
Options: 1) 50√2 + 50 sq cm
2) 50√2 + 100 sq cm
3) 100√2 + 50 sq cm
4) 100√2 + 100 sq cm
Correct Answer: 50√2 + 50 sq cm.
QID 7. Rahul sells a machine for Rs 50 lakhs at a loss. Had he sold it for Rs 60 lakh, his gain would have been 7 times the earlier loss. What is the cost price of the machine?
Options: 1) Rs 51.25 lakhs
2) Rs 58.75 lakhs
3) Rs 67.14 lakhs
4) Rs 43.75 lakhs
Correct Answer: Rs 51.25 lakhs
QID 8. If the radius of a circle is increased by 27%, then its area will increase by
Options: 1) 61.29 percent 2) 54 percent 3) 27 percent 4) 30.645 percent
Correct Answer: 61.29 percent.
QID 9. If Girilal's salary is 11/7 times of Hariram's and Shekhar's is 3/4 times of Hariram's, what is the ratio of Girilal's salary to Shekhar's salary.
Options: 1) 44:21 2) 28:33 3) 33:28 4) 21:44
Correct Answer: 44:21.
QID 10. (cosA + sinA)2 + (cosA - sinA)2 is equals to (cosA + sinA)2 + (cosA - sinA)2.
Options: 1) 1 2) 1/2 3) 2 4) 0
Correct Answer: 2.
QID 1. Select the related word/letters/number from the given alternatives.
Hirakund : Mahanadi : : Tehri Dam : ?
Options:
1) Damodar
2) Bhagirathi
3) Yamuna
4) Son
Correct Answer: Bhagirathi.
QID 2. Select the related word/letters/number from the given alternatives.
LG : WM : : DC :
Options:
1) IJ
2) EF
3) GE
4) LI
Correct Answer: GE.
QID 3. Select the related word/letters/number from the given alternatives.
IM : RZ : : HF : ?
Options:
1) MP
2) OK
3) PL
4) QR
Correct Answer: PL.
QID 4. Select the related word/letters/number from the given alternatives.
16 : 40 : : 20 : ?
Options:
1) 29
2) 21
3) 50
4) 60
Correct Answer: 50
QID 5. Find out the odd word/letters/number/number pair from the given alternatives.
Options:
1) Mohammad Azharuddin
2) Sunil Gavaskar
3) Dhyan Chand
4) Yuvraj Singh
Correct Answer: Dhyan Chand
QID 6. Find out the odd word/letters/number/number pair from the given alternatives.
Options:
1) EV
2) GT
3) JQ
4) MO
Correct Answer: MO
QID 7. Find out the odd word/letters/number/number pair from the given alternatives.
Options:
1) 4246
2) 8314
3) 9546
4) 7284
Correct Answer: 8314
QID 8. Find out the odd word/letters/number/number pair from the given alternatives.
Options:
1) 78, 26
2) 19, 20
3) 20, 40
4) 36, 12
Correct Answer: 19, 20
QID 9. A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. Constable, Head constable, ? , Inspector.
Options:
1) Deputy Superintendent of Police
2) Superintendent of Police
3) Sub-inspector
4) Assistant Commissioner of Police
Correct Answer: Sub-inspector.
QID 10. A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. 3, 6, 9, 36, 41, ?
Options:
1) 244
2) 225
3) 246
4) 410
Correct Answer: 246.
