Staff Selection Commission Sub Inspector Exam
Question : Directions: Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.
Option 1: 236 : 325 : 263
Option 2: 189 : 198 : 819
Option 3: 761 : 617 : 176
Option 4: 416 : 641 : 461
Correct Answer: 236 : 325 : 263
Solution : Let's check each option – First option: 236: 325 : 263; In the second number digits are different from the the first and the second number. Second option: 189: 198 : 819; In all three numbers same digits are repeated. Third
Question : Direction: The pie chart given below shows the percentage distribution of annual expenditure on various items of a company. The annual expenditure of the company is Rs. 72 crore.
If 5% of miscellaneous is spent on research on nanotubes, then how much is spent on research of nanotubes annually?
Option 1: 0.864 crore
Option 2: 0.365 crore
Option 3: 0.256 crore
Option 4: 0.164 crore
Correct Answer: 0.864 crore
Solution : Annual expenditure = Rs. 72 crore Expenditure on miscellaneous = 24% of annual expenditure = $\frac{24}{100}×72$ = 17.28 crore Spent on research of nanotubes = 5% of miscellaneous = $\frac{5}{100}×17.28$ = 0.864 crore Hence, the correct answer is 0.864 crore.
Question : From two points on the ground and lying in a straight line through the foot of a pillar, the two angles of elevation of the top of the pillar are complementary. If the distances of the two points from the foot of the pillar are 12 metres and 27 metres and the two points lie on the same side of the pillar, then the height (in metres) of the pillar is:
Option 1: 12 metres
Option 2: 18 metres
Option 3: 15 metres
Option 4: 16 metres
Correct Answer: 18 metres
Solution : Let the height of the pole AB be $h$ metre. BC = 12 metres and BD = 27 metres $\angle$ADB = $\theta$ Therefore, $\angle$ACB = $(90–\theta)$ From, $\Delta$ABC, $\tan(90–\theta)=\frac{h}{12}$ ⇒ $\cot\theta=\frac{h}{12}$ --------(1) From, $\Delta$ABD, $\tan\theta=\frac{h}{27}$ ------(2) Multiplying equations (1) and (2), we have, ⇒
Question : Trichloromethane is the IUPAC name of __________.
Option 1: glycerol
Option 2: bleaching powder
Option 3: benzene hexachloride
Option 4: chloroform
Correct Answer: chloroform
Solution : The correct answer is chloroform.
Chloroform (CHCl3), known as trichloromethane, is a colourless, nonflammable liquid denser than water. When chlorinating drinking water, wastewater, and swimming pools, chloroform can form and be released into the atmosphere. Because it doesn't catch fire, handling
Question : Select the most appropriate ANTONYM of the given word.
Wily
Option 1: Horrid
Option 2: Honest
Option 3: Raunchy
Option 4: Triumphant
Correct Answer: Honest
Solution : The correct choice is the second option.
Explanation:
Wily refers to being crafty or cunning, often in a deceptive or manipulative way. Its opposite, honest, denotes sincerity, truthfulness, and a lack of deceit.
The meanings of the other options are as follows:
Question : Directions: If in a certain code language, ENTRY is coded as 12345 and STEADY is coded as 931785 then state what is the correct code for ARREST?
Option 1: 744589
Option 2: 744193
Option 3: 166479
Option 4: 745194
Correct Answer: 744193
Solution : Given: ENTRY is coded as 12345, and STEADY is coded as 931785.
Code the letter of ENTRY with an equivalent number given in the code – E→1; N→2; T→3; R→4; Y→5 And, STEADY is coded as 931785 – S→9; T→3; E→1; A→7; D→8; Y→5 All
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear
Question : Select the option that can be used as a one-word substitute for the given group of words. Study of coins
Option 1: Philately
Option 2: Antiquary
Option 3: Numismatics
Option 4: Apothecary
Correct Answer: Numismatics
Solution : The correct answer is the third option.
The term numismatics refers to the study or collection of coins, including their history, design, production, and significance. It encompasses a broad range of aspects related to coins, such as their origin, circulation, and the cultural and historical
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.
The place were (P) / Buddha was cremated (Q) / has recently been discovered. (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 word "were" should be replaced with "where" to convey the intended meaning to indicate the location where Buddha was cremated. The relative pronoun "where" is used to denote a location or a place while
Question : The Indian Administrative Service and the Indian Police Service are deemed to be services created by the Parliament under:
Option 1: Article 301
Option 2: Article 307
Option 3: Article 292
Option 4: Article 312
Correct Answer: Article 312
Solution : The correct option is Article 312.
The Indian Administrative Service (IAS) and the Indian Police Service (IPS) are deemed to be services created by the Parliament under Article 312 of the Constitution of India. Article 312 empowers the Parliament to create All India Services,
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