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SSC CHSL Tier 1 Full Mock Test: Practice Test 02

Question paper with answer key. Selection Pro

Q1. If EARTH is coded as FCSTJ, then GLOBE will be coded as:
  1. HMPCF
  2. HNQDG
  3. INQDG
  4. HMPC-G

Answer: (A) HMPCF

Each letter is shifted one position forward (+1): G->H, L->M, O->P, B->C, E->F.

Q2. Find the missing number in the series: 4, 9, 19, 39, 79, ?
  1. 158
  2. 159
  3. 160
  4. 161

Answer: (B) 159

Pattern: (Previous number × 2) + 1. So, (79 × 2) + 1 = 159.

Q3. Select the option that is related to the third term in the same way as the second term is related to the first term: Needle : Sew :: Pen : ?
  1. Ink
  2. Paper
  3. Write
  4. Nib

Answer: (C) Write

A needle is used to sew; similarly, a pen is used to write.

Q4. A is B's sister. C is B's mother. D is C's father. E is D's mother. How is A related to D?
  1. Grandmother
  2. Granddaughter
  3. Daughter
  4. Aunt

Answer: (B) Granddaughter

A is B's sister and C's daughter. Since D is C's father, A is D's granddaughter.

Q5. In a class of 50 students, Rohit is ranked 18th from the top. What is his rank from the bottom?
  1. 32nd
  2. 33rd
  3. 34th
  4. 31st

Answer: (B) 33rd

Rank from bottom = (Total students - Rank from top) + 1 = (50 - 18) + 1 = 33rd.

Q6. Select the odd letter-pair from the following options:
  1. EV
  2. GT
  3. KP
  4. HS

Answer: (D) HS

All options consist of opposite letter pairs. HS is also opposite, but checking alphabetical positions shows EV, GT, KP, HS are all valid opposite pairs; looking closely at order or difference: E(5)+V(22)=27, G(7)+T(20)=27, K(11)+P(16)=27, H(8)+S(19)=27. (Standard CHSL classification based on vowel/consonant: EV is the only pair starting with a vowel).

Q7. Which article of the Indian Constitution is related to the 'Emergency provisions' due to war or external aggression?
  1. Article 352
  2. Article 356
  3. Article 360
  4. Article 368

Answer: (A) Article 352

Article 352 deals with National Emergency due to war, external aggression, or armed rebellion.

Q8. The famous Sun Temple of Konark was built by which king?
  1. Narasimhadeva I
  2. Anantavarman Chodaganga
  3. Rajendra Chola
  4. Ashoka

Answer: (A) Narasimhadeva I

The Konark Sun Temple in Odisha was constructed by King Narasimhadeva I of the Eastern Ganga Dynasty.

Q9. Which classical dance form originated in the state of Kerala?
  1. Kathak
  2. Bharatanatyam
  3. Kathakali
  4. Kuchipudi

Answer: (C) Kathakali

Kathakali (along with Mohiniyattam) originated in Kerala.

Q10. What is the SI unit of Pressure?
  1. Joule
  2. Pascal
  3. Watt
  4. Newton

Answer: (B) Pascal

The SI unit of pressure is Pascal (Pa), equivalent to 1 Newton per square meter.

Q11. Which gas is known as 'Laughing Gas'?
  1. Nitrous Oxide
  2. Carbon Monoxide
  3. Sulphur Dioxide
  4. Nitric Oxide

Answer: (A) Nitrous Oxide

Nitrous oxide ($N_2O$) is commonly referred to as laughing gas.

Q12. The term 'Bully' is associated with which game?
  1. Cricket
  2. Football
  3. Field Hockey
  4. Basketball

Answer: (C) Field Hockey

'Bully' is a method used to restart play in Field Hockey.

Q13. If the cost price of 12 articles is equal to the selling price of 10 articles, what is the gain percentage?
  1. 16.66%
  2. 20%
  3. 25%
  4. 30%

Answer: (B) 20%

Gain % = [(12 - 10) / 10] × 100 = (2 / 10) × 100 = 20%.

Q14. Two numbers are in the ratio 3 : 4 and their LCM is 180. The smaller number is:
  1. 35
  2. 45
  3. 60
  4. 75

Answer: (B) 45

Let numbers be 3x and 4x. LCM = 12x = 180 => x = 15. Smaller number = 3 × 15 = 45.

Q15. In how many years will a sum of money double itself at 10% per annum simple interest?
  1. 5 years
  2. 8 years
  3. 10 years
  4. 12 years

Answer: (C) 10 years

Time = (100 × (N - 1)) / R = (100 × 1) / 10 = 10 years.

Q16. A and B can complete a piece of work in 12 days and 16 days respectively. If they work together, in how many days will the work be completed?
  1. 6.8 days
  2. 6.85 days
  3. 6.86 days
  4. 7 days

Answer: (C) 6.86 days

Time taken = (12 × 16) / (12 + 16) = 192 / 28 = 48 / 7 ≈ 6.86 days.

Q17. If $\tan \theta = \frac{4}{3}$, then the value of $\sin \theta + \cos \theta$ is:
  1. $\frac{7}{5}$
  2. $\frac{1}{5}$
  3. $\frac{5}{7}$
  4. $\frac{2}{5}$

Answer: (A) $\frac{7}{5}$

Opposite = 4, Adjacent = 3 => Hypotenuse = 5. $\sin \theta = \frac{4}{5}$, $\cos \theta = \frac{3}{5}$. Sum = $\frac{7}{5}$.

Q18. The diagonal of a square is $10\sqrt{2}\text{ cm}$. Find its area:
  1. $50\text{ cm}^2$
  2. $100\text{ cm}^2$
  3. $200\text{ cm}^2$
  4. $400\text{ cm}^2$

Answer: (B) $100\text{ cm}^2$

Side = Diagonal / $\sqrt{2}$ = 10 cm. Area = $\text{Side}^2$ = $10^2$ = $100\text{ cm}^2$.

Q19. The single equivalent discount for two successive discounts of 20% and 10% is:
  1. 28%
  2. 30%
  3. 32%
  4. 25%

Answer: (A) 28%

Equivalent discount = $A + B - \frac{A \times B}{100} = 20 + 10 - \frac{200}{100} = 28\%$.

Q20. Select the correctly spelt word:
  1. Embarrassment
  2. Embarasment
  3. Embarassment
  4. Embarrasment

Answer: (A) Embarrassment

'Embarrassment' (with double 'r' and double 's') is the correct spelling.

Q21. Select the synonym of the given word: DILIGENT
  1. Lazy
  2. Hardworking
  3. Careless
  4. Incompetent

Answer: (B) Hardworking

Diligent means showing care and effort in one's work; hardworking is its synonym.

Q22. Select the antonym of the given word: CANDID
  1. Frank
  2. Honest
  3. Secretive
  4. Direct

Answer: (C) Secretive

Candid means truthful and straightforward. Secretive or deceitful is its antonym.

Q23. Identify the segment in the sentence which contains a grammatical error: Neither of the two candidates have submitted their documents.
  1. Neither of the
  2. two candidates
  3. have submitted
  4. their documents

Answer: (C) have submitted

'Neither' is a singular subject distributive pronoun and should take the singular verb 'has submitted' instead of 'have submitted'.

Q24. Select the most appropriate idiom for the given meaning: 'To be in a high state of excitement or happiness'
  1. On cloud nine
  2. Under the weather
  3. At the eleventh hour
  4. Once in a blue moon

Answer: (A) On cloud nine

'On cloud nine' means extremely happy or ecstatic.

Q25. Select the option that can be used as a one-word substitute for: 'A sound that cannot be heard'
  1. Audible
  2. Inaudible
  3. Incredible
  4. Illegible

Answer: (B) Inaudible

'Inaudible' refers to a sound that is impossible to hear.