Staff Selection Commission Sub Inspector Exam
Question : Directions: Three statements are given, followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some Sofas are Chair. Some Chairs are Tables. All Tables are Beds. Conclusions: (I) Some Sofas are Tables. (II) Some Chairs are Beds. (III) Some Beds are Sofas.
Option 1: Both Conclusions II and III follow
Option 2: Only Conclusion I follows
Option 3: Both Conclusions I and III follow
Option 4: Only Conclusion II follows
Correct Answer: Only Conclusion II follows
Solution : The possible Venn diagram according to the given statement is as follows –
Let's analyse the conclusions – Conclusion I: Some Sofas are Tables – From the Venn diagram, it is evident that there is no direct relation between sofas and tables.
Question : Directions: Select the Venn diagram that best illustrates the relationship between the following classes. Animals, Cats, Dogs
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Both dogs and cats come under the category of animals.
Therefore, the Venn diagram will be as follows –
Hence, the third option is correct.
Question : A trader sold an article at a gain of 20%. Had he purchased it for 40% more and sold it for Rs. 24 less, he would have incurred a loss of 20%. What is the cost price (in Rs.) of the article?
Option 1: Rs. 150
Option 2: Rs. 300
Option 3: Rs. 450
Option 4: Rs. 600
Correct Answer: Rs. 300
Solution : Here, SP is the selling price and CP is the cost price. Let the CP of the article be $x$. Give, Profit = 20% ⇒ SP = $1.2x$ New CP = $x$ + 40% of $x$ = $\small1.4x$ New SP = $\small1.2x - 24$
Question : The title of the autobiography of Rassundari Devi is:
Option 1: Amar Jiban
Option 2: Smritichitre: The Memoirs of a Spirited Wife
Option 3: Aalo Aandhari
Option 4: Raseedi Ticket
Correct Answer: Amar Jiban
Solution : The correct answer is Amar Jiban.
The title of the autobiography of Rassundari Devi is Amar Jiban. It was written in 1876 and is considered one of the earliest autobiographies written by an Indian woman. Rassundari Devi was a Bengali from colonial India, and
Question : Water is being pumped out through a circular pipe whose internal diameter is 7 cm. If the flow of water is 12 cm per second, how many litres of water are being pumped out in one hour?
Option 1: 1663.2 litres
Option 2: 1500 litres
Option 3: 1747.6 litres
Option 4: 2000 litres
Correct Answer: 1663.2 litres
Solution : Given: Diameter = 7 cm Radius = $\frac{7}{2}$ cm Rate of flow = 12 cm per sec The volume of the pipe = $\pi r^2 h$, where $r$ and $h$ are the radius and height of the pipe. = $\frac{22}{7}×\frac{7}{2}×\frac{7}{2}×12$ = 462 cm$^3$ Volume
Question : Respiration is a process that requires
Option 1: heat
Option 2: water
Option 3: oxygen
Option 4: sunlight
Correct Answer: oxygen
Solution : The correct option is oxygen.
Respiration is a vital biological process that releases energy from nutrients in cells. Cellular respiration, specifically aerobic respiration, requires oxygen to efficiently produce energy through the breakdown of glucose. Without oxygen, cells may undergo anaerobic respiration, producing less energy
Question : Pipes A and B can empty a full tank in 18 hours and 24 hours, respectively. Pipe C alone can fill the tank in 36 hours. If the tank is $\frac{5}{6}$ full and all the three pipes are opened together, then in how many hours will the tank be emptied?
Option 1: $10 \frac{1}{2}$
Option 2: $12 \frac{1}{2}$
Option 3: $10$
Option 4: $12$
Correct Answer: $12$
Solution : Time taken by pipe A to empty a full tank = 18 hr Part of tank emptied by pipe A in an hour = $\frac{1}{18}$ Time taken by pipe B to empty a full tank = 24 hr Part of tank emptied by pipe B
Question : The following table gives the number of patients visiting a dental clinic for issues related to their oral health during May, June, July, and August 2015. Study the table carefully and answer the question that follows.
For the given months in 2015, the average number of patients visiting the dental clinic for cleaning and polishing of teeth, fixing crowns and bridging, and teeth whitening is what percentage(rounded off to 1 decimal place) more/less than the average number of patients visiting the dental clinic for orthodontic treatment?
Option 1: More by 31.2%
Option 2: Less by 31.2%
Option 3: Less by 38.9%
Option 4: More by 38.9%
Correct Answer: Less by 31.2%
Solution : The average number of patients for each treatment type over the given months: 1. Cleaning and polishing of teeth, The total number of patients = 410 + 160 + 520 + 440 = 1530 The average = $\frac{1530}{4}$ = 382.5 patients 2. Fixing
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Gender equality is not only a fundamental human right but a necessary foundation for a peaceful, prosperous, and sustainable world. There (1)_____ progress over the last decades: More girls are going to school, fewer girls are forced into early marriage, more women are serving in parliament and positions of leadership, and laws are being reformed to (2)_____ gender equality. Despite these gains, many challenges remain: discriminatory laws and social norms remain (3)_____, women continue to be underrepresented at all levels of political leadership, and 1 in 5 women and girls between the ages of 15 and 49 report experiencing physical or sexual violence by an intimate partner within 12 months. The effects of the COVID-19 pandemic could reverse the limited progress that has been made on gender equality and women's rights. The coronavirus outbreak (4)_____ existing inequalities for women and girls across every sphere - from health and the economy to security and social protection. Women play a disproportionate role in responding to the virus, including as frontline healthcare workers and carers at home. Women's unpaid care work has increased significantly as a result of school closures and the increased needs of older people. Women are also harder hit by the economic (5)_____ of COVID-19, as they disproportionately work in insecure labour markets. Nearly 60 percent of women work in the informal economy, which puts them at greater risk of falling into poverty.
Question: Select the most appropriate option to fill in the blank 5.
Option 1: impacts
Option 2: frivolity
Option 3: impertinence
Option 4: paltriness
Correct Answer: impacts
Solution : The correct choice is the first option.
Impact is the correct choice, and it means to have a strong effect on something. This helps convey the intended meaning that the women also had an economic effect due to COVID-19.
Therefore, the correct answer is
Question : Measurement means the comparison of an unknown quantity with some known fixed quantity called a _______.
Option 1: unit
Option 2: scale
Option 3: order
Option 4: standard
Correct Answer: unit
Solution : The correct option is unit.
Measurement is the process of comparing an unknown amount to a definite, predetermined quantity known as a "standard" or " reference". This method gives us a foundation for comprehending and quantifying many features of the physical world by allowing
The Question containing Inaapropriate or Abusive Words
Question lacks the basic details making it difficult to answer
Topic Tagged to the Question are not relevant to Question
Question drives traffic to external sites for promotional or commercial purposes
The Question is not relevant to User
And never miss an important update