Staff Selection Commission Sub Inspector Exam
Question : Directions: A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in the two matrices, given below. The columns and rows of Matrix (I) are numbered from 0 to 4 and that of Matrix (II) are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g. P can be represented by 55,69, etc, and L can be represented by 59, 68, etc. Similarly, you have to identify the set for the word, LAPSE.
Option 1: 86, 02, 55, 14, 97
Option 2: 86, 57, 00, 41, 97
Option 3: 31, 02, 00, 96, 42
Option 4: 31, 57, 55, 41, 42
Correct Answer: 86, 02, 55, 14, 97
Solution : Given: LAPSE
Number representations of each letter – L→59, 68, 77, 86, 95 A→02, 11, 20, 34, 43 P→55, 69, 78, 87, 96 S→00, 14, 23, 32, 41 E→56, 65, 79, 88, 97
Let's check the options – First option: 86,
Question : The speed of a boat in standing water is 6 km/hr and the speed of the stream is 2.5 km/hr. A man rows to a place at a distance of 59.5 kilometres and comes back to the starting point. The total time taken by him is:
Option 1: 16 hours
Option 2: 24 hours
Option 3: 22 hours
Option 4: 18 hours
Correct Answer: 24 hours
Solution : The total time taken by the man can be calculated by adding the time taken to row downstream (with the current) and the time taken to row upstream (against the current). The effective speed of the boat while going downstream (with the current) is
Question : The chemical name of Gammexane is:
Option 1: Toluene
Option 2: Chloro Benzene
Option 3: Aniline
Option 4: Benzene Hexachloride
Correct Answer: Benzene Hexachloride
Solution : The correct option is Benzene Hexachloride.
Gammexane, an isomer of hexachlorocyclohexane and an organochlorine compound is also known as Benzene Hexachloride or lindane. C₆H₆Cl₆ is its chemical formula. It is utilised in pharmacological treatments as well as agricultural insecticides.
Question : Directions: In the following question, the given sentence has four parts marked P, Q, R, and S. Choose the part of the sentence with the error and select it as your answer. If there is no error, select ' No Error (S)' as your answer.
Suresh have never (P) / encouraged nor (Q) / condoned violence. (R) / No Error (S)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The error lies in the first part of the sentence.
The verb "have" should be replaced with "has" to convey the intended meaning that Suresh has never supported or allowed violence. The subject, in this case, "Suresh" is a singular noun, so it should be
Question : Directions: A paper is folded and cut as shown. How will it appear when unfolded?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the given folded paper is unfolded, it will look like –
Hence, the third option is correct.
Question : In an examination, the original average mark was found to be 50. To deduct marks for computational errors, the marks of 100 candidates were changed from 90 to 60 each, and the new average of marks became 45. What was the total number of candidates who appeared in the examination?
Option 1: 600
Option 2: 300
Option 3: 200
Option 4: 150
Correct Answer: 600
Solution : Given: The average of marks = 50 The marks of 100 candidates had to be changed from 90 to 60 each, so the new average = 45 Total marks of 100 candidates before error = 90 × 100 = 9000 Total marks of 100 candidates
Question : Which word is common in the botanical names of trees like Ashoka, Tamarind or Coral?
Option 1: Terminalia
Option 2: Salix
Option 3: Indica
Option 4: Acacia
Correct Answer: Indica
Solution : The correct option is Indica.
The word common in the botanical names of trees like Ashoka, Tamarind, and Coral is "indica." In the botanical nomenclature, "indica" serves as the species epithet in each case, providing a clue to their origins or associations. "Saraca indica"
Question : Which of the following statements is not correct about fundamental duties in the Indian Constitution?
Option 1: They are made to value and preserve the rich heritage of our composite culture
Option 2: They are made to cherish and follow the noble ideals which inspired our national struggle for freedom
Option 3: They are made to develop the scientific temper, humanism and the spirit of inquiry and reform
Option 4: They are made justiciable
Correct Answer: They are made justiciable
Solution : The correct option is They are made justiciable.
Fundamental duties are non-justiciable, meaning that they are not enforceable by law. Unlike fundamental rights, which are justiciable and can be legally enforced, they are more like moral and civic obligations for citizens.
Question : Directions: Select the option that is related to the third word in the same way as the second word is related to the first word. (The words should be treated as meaningful words, and should not be related to each other based on the number of letters/consonants/vowels in the word.) Yearn : Crave :: Haste : ?
Option 1: Alacrity
Option 2: Hanker
Option 3: Delay
Option 4: Leisure
Correct Answer: Alacrity
Solution : Given: Yearn : Crave :: Haste : ?
Here, the second term is the synonym of the first term – Like in, Yearn : Crave→Crave is the synonym of yearn and the meaning of crave is the strong desire. Similarly, follow the same pattern for
Question : At room temperature and atmospheric pressure, ______ has a density of 1.87 kg/m3, which is 1.5 times heavier than air and exists as a liquid below the critical temperature of 31°C.
Option 1: carbon dioxide
Option 2: nitrogen
Option 3: hydrogen
Option 4: lithium
Correct Answer: carbon dioxide
Solution : The correct option is carbon dioxide.
At room temperature and atmospheric pressure, carbon dioxide has a density of about 1.87 kg/m³, making it approximately 1.5 times heavier than air. It exists as a gas at room temperature but can become a liquid below
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