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SSC CHSL Tier 1 Full Mock Test: Practice Test 05

Question paper with answer key. Selection Pro

Q1. If MANGO is coded as 13114715, then APPLE will be coded as:
  1. 11616125
  2. 11515125
  3. 11616115
  4. 11615125

Answer: (A) 11616125

Letters are mapped to their position in the alphabet: A(1), P(16), P(16), L(12), E(5) -> 11616125.

Q2. Select the missing number in the given series: 5, 11, 23, 47, 95, ?
  1. 190
  2. 191
  3. 192
  4. 193

Answer: (B) 191

Pattern: (Previous number × 2) + 1. So, (95 × 2) + 1 = 191.

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: Chef : Restaurant :: Farmer : ?
  1. Field
  2. Crop
  3. Tractor
  4. Barn

Answer: (A) Field

A chef works in a restaurant; similarly, a farmer works in a field.

Q4. Looking at a photograph, Ramesh said, 'She is the daughter of my grandfather's only son.' How is the girl in the photograph related to Ramesh?
  1. Mother
  2. Sister
  3. Aunt
  4. Cousin

Answer: (B) Sister

Grandfather's only son is Ramesh's father. The daughter of Ramesh's father is Ramesh's sister.

Q5. Select the odd pair of numbers from the given options:
  1. 8 - 64
  2. 6 - 36
  3. 7 - 49
  4. 9 - 82

Answer: (D) 9 - 82

In all other pairs, the second number is the exact square of the first number ($9^2 = 81$, not 82).

Q6. Arrange the following words in a logical order: 1. Examination 2. Application 3. Selection 4. Interview 5. Job Offer
  1. 2, 1, 4, 3, 5
  2. 2, 1, 3, 4, 5
  3. 1, 2, 4, 3, 5
  4. 2, 4, 1, 3, 5

Answer: (A) 2, 1, 4, 3, 5

The logical hiring sequence: Application -> Examination -> Interview -> Selection -> Job Offer.

Q7. Who among the following was known as the 'Frontier Gandhi'?
  1. Khan Abdul Ghaffar Khan
  2. Maulana Abul Kalam Azad
  3. Subhash Chandra Bose
  4. Mohammad Ali Jinnah

Answer: (A) Khan Abdul Ghaffar Khan

Khan Abdul Ghaffar Khan was affectionately called Frontier Gandhi for his non-violent struggles.

Q8. Which article of the Indian Constitution prescribes the procedure for the impeachment of the President?
  1. Article 52
  2. Article 56
  3. Article 61
  4. Article 72

Answer: (C) Article 61

Article 61 outlines the process for impeachment of the President of India.

Q9. What is the longest river in Peninsular India?
  1. Narmada
  2. Godavari
  3. Krishna
  4. Kaveri

Answer: (B) Godavari

Godavari is the longest river of Peninsular India and is often called 'Dakshin Ganga'.

Q10. Which metal is the best conductor of electricity?
  1. Copper
  2. Silver
  3. Gold
  4. Aluminum

Answer: (B) Silver

Silver possesses the highest electrical conductivity of all metals.

Q11. What is the primary function of Hemoglobin in the human body?
  1. Transport of Oxygen
  2. Destruction of Bacteria
  3. Prevention of Anemia
  4. Blood Clotting

Answer: (A) Transport of Oxygen

Hemoglobin in red blood cells binds and carries oxygen from the lungs to tissue body parts.

Q12. The famous classical dance 'Kuchipudi' originated in which Indian state?
  1. Tamil Nadu
  2. Andhra Pradesh
  3. Karnataka
  4. Kerala

Answer: (B) Andhra Pradesh

Kuchipudi is a classical Indian dance form originating in Andhra Pradesh.

Q13. The marked price of a shirt is ₹800. If it is sold for ₹680, what is the discount percentage?
  1. 12%
  2. 15%
  3. 18%
  4. 20%

Answer: (B) 15%

Discount = 800 - 680 = ₹120. Discount % = (120 / 800) * 100 = 15%.

Q14. A and B can do a job in 10 days and 15 days respectively. They started together, but A left after 2 days. In how many days will B complete the remaining work?
  1. 8 days
  2. 10 days
  3. 12 days
  4. 14 days

Answer: (B) 10 days

Combined rate = 1/10 + 1/15 = 1/6. Work done in 2 days = 2/6 = 1/3. Remaining work = 2/3. Time taken by B = (2/3) / (1/15) = 10 days.

Q15. If $x + \frac{1}{x} = 5$, find the value of $x^3 + \frac{1}{x^3}$:
  1. 110
  2. 115
  3. 120
  4. 125

Answer: (A) 110

$x^3 + \frac{1}{x^3} = \left(x + \frac{1}{x}\right)^3 - 3\left(x + \frac{1}{x}\right) = 5^3 - 3(5) = 125 - 15 = 110$.

Q16. A sum of ₹5000 amounts to ₹6000 in 2 years at simple interest. What is the rate of interest per annum?
  1. 8%
  2. 10%
  3. 12%
  4. 15%

Answer: (B) 10%

SI = ₹1000 in 2 years -> ₹500/year. Rate % = (500 / 5000) * 100 = 10%.

Q17. If $\sin \theta = \frac{1}{2}$, then the value of $\cot \theta$ is:
  1. $\frac{1}{\sqrt{3}}$
  2. $\sqrt{3}$
  3. 1
  4. 2

Answer: (B) $\sqrt{3}$

If $\sin \theta = \frac{1}{2}$, then $\theta = 30^\circ$. $\cot 30^\circ = \sqrt{3}$.

Q18. The sides of a triangle are 6 cm, 8 cm, and 10 cm. Find its area:
  1. 20 cm²
  2. 24 cm²
  3. 30 cm²
  4. 48 cm²

Answer: (B) 24 cm²

This is a right-angled triangle ($6^2 + 8^2 = 10^2$). Area = 1/2 * base * height = 1/2 * 6 * 8 = 24 cm².

Q19. A man covers a distance of 180 km in 4 hours. What is his speed in m/s?
  1. 12.5 m/s
  2. 15 m/s
  3. 17.5 m/s
  4. 20 m/s

Answer: (A) 12.5 m/s

Speed = 180 / 4 = 45 km/h. Converting to m/s: 45 * (5/18) = 12.5 m/s.

Q20. Select the correctly spelt word:
  1. Occassion
  2. Ocasion
  3. Occasion
  4. Occassionn

Answer: (C) Occasion

'Occasion' (with double 'c' and single 's') is the correct spelling.

Q21. Select the synonym of the given word: IMPEDIMENT
  1. Obstacle
  2. Assistance
  3. Benefit
  4. Clearance

Answer: (A) Obstacle

'Impeditment' means a hindrance or obstruction in doing something; 'Obstacle' is synonymous.

Q22. Select the antonym of the given word: GREGARIOUS
  1. Sociable
  2. Introverted
  3. Friendly
  4. Outgoing

Answer: (B) Introverted

'Gregarious' means fond of company and sociable; 'Introverted' or reserved is its antonym.

Q23. Identify the segment in the sentence which contains a grammatical error: One of the student was absent during the annual sports meet.
  1. One of the
  2. student was
  3. absent during
  4. sports meet

Answer: (B) student was

The phrase 'One of the' should always be followed by a plural noun ('students' instead of 'student').

Q24. Select the most appropriate idiom for the given meaning: 'To study late into the night'
  1. Burn the midnight oil
  2. Hit the hay
  3. Break the ice
  4. Under the weather

Answer: (A) Burn the midnight oil

'Burn the midnight oil' means to work or study late into the night.

Q25. Select the option that can be used as a one-word substitute for: 'A person who collects or studies stamps'
  1. Numismatist
  2. Philatelist
  3. Anthropologist
  4. Archaeologist

Answer: (B) Philatelist

A 'Philatelist' is a person who studies or collects postage stamps. (Numismatist collects coins).