Staff Selection Commission Sub Inspector Exam
Question : Directions: The bar graph given below represents the total population and male population of a city, during the period of 2013 to 2016.
In 2014 female population is what percent of the total population?
Option 1: 62.96%
Option 2: 37.03%
Option 3: 20%
Option 4: 31.31%
Correct Answer: 37.03%
Solution : As per the given graph, In 2014, The total population of the city = 54000 The female population in the city = 54000 – 34000 = 20000 The required percentage = $\frac{20}{54}$ × 100 = 37.03% Hence, the correct answer is 37.03%.
Question : A healthy individual has 12-16 grams of haemoglobin in every _________ml of blood.
Option 1: 100
Option 2: 100000
Option 3: 10000
Option 4: 1000
Correct Answer: 100
Solution : The correct option is 100.
A healthy individual typically has 12-16 grams of haemoglobin in every 100 millilitres (ml) of blood. Haemoglobin is a crucial protein found in red blood cells that plays a vital role in transporting oxygen from the lungs to the
Question : The value of $2\tan^2 45° + \cos^2 30° - \sin^2 60°$ is:
Option 1: 2
Option 2: 1
Option 3: –1
Option 4: –2
Correct Answer: 2
Solution : Given: $2\tan^2 45^\circ + \cos^2 30^\circ - \sin^2 60^\circ$ Putting the values, we get: $= 2\times1^2 + (\frac{\sqrt3}{2})^2- (\frac{\sqrt3}{2})^2$ $= 2+ \frac{3}{4}- \frac{3}{4}$ $= 2$ Hence, the correct answer is 2.
Question : Which period below depicts an internal emergency in India under Article 352?
Option 1: 26th June 1974 to 23rd March 1976
Option 2: 25th June 1975 to 21st March 1977
Option 3: 20th June 1975 to 20th March 1977
Option 4: 21st June 1976 to 21st March 1974
Correct Answer: 25th June 1975 to 21st March 1977
Solution : The correct option is 25th June 1975 to 21st March 1977
The Indian government, led by Prime Minister Indira Gandhi, declared an internal emergency on June 25, 1975, under Article 352 of the Indian Constitution. The emergency continued until
Question : The perimeter of a certain isosceles right triangle is $10+10\sqrt{2}$ cm. What is the length of the Hypotenuse of the triangle?
Option 1: $5$ cm
Option 2: $10$ cm
Option 3: $5\sqrt{2}$ cm
Option 4: $10\sqrt{2}$ cm
Correct Answer: $10$ cm
Solution : \(\text{Perimeter} = \text{Sum of all sides}\) Sides of an isosceles right triangle are $a, a, and $\sqrt{2}a$$ So, \(\text{Perimeter} = a+a+\sqrt{2}a \) \(=10+10\sqrt{2} \) ⇒ \((2a+\sqrt{2}a)=(10+10\sqrt{2}) \) ⇒ \(\sqrt{2}a(1+\sqrt{2})=10(1+\sqrt{2}) \) ⇒ \(a=\frac{10}{\sqrt{2}} \) ⇒ BC (Hypotenuse) = \(\sqrt{2}a\) ⇒ \(\frac{\sqrt{2} \times 10}{\sqrt{2}}=10\ \mathrm{cm} \)
Question : A chord of length 120 cm is at a distance of 32 cm from the centre of a circle. What is the radius (in cm) of the circle?
Option 1: 96
Option 2: 34
Option 3: 72
Option 4: 68
Correct Answer: 68
Solution : A is the Centre of the circle. Chord BC = 120 cm AD is perpendicular to BC. AD = 32 cm $\therefore$ BD = $\frac{BC}{2}$ = $\frac{120}{2}$ = 60 cm In $\triangle$ABD, AD = 32 cm BD = 60 cm $\angle$ADB = 90° So, AB
Question : The least common multiple of 48 and 64 is _____ times the highest common factor of 12 and 18.
Option 1: 28
Option 2: 32
Option 3: 24
Option 4: 16
Correct Answer: 32
Solution : The least common multiple (LCM) of 48 and 64 is 192. The highest common factor (HCF) of 12 and 18 is 6. Therefore, the LCM of 48 and 64 is $\frac{192}{ 6}$ = 32 times the HCF of 12 and 18. Hence, the correct answer
Question : Comprehension: In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Central Park Tower has just become the tallest residential building in the world. The views (1)______ this building are amazing. The (2)______ of apartments in this skyscraper are (3)______ as the sky. The cheapest apartment (4)______ at 6.7 million dollars, and the most (5)______ five-bedroom apartment costs $63 million. Question: Select the most appropriate option to fill in the blank No. 4.
Option 1: starts
Option 2: is starting
Option 3: start
Option 4: started
Correct Answer: starts
Solution : The first option is the correct choice.
The sentence mentions the cost of the cheapest apartment in the skyscraper.
The phrase "The cheapest apartment starts at 6.7 million dollars" would make sense in this context, indicating that the price of the cheapest apartment begins at
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. When another old cave is discovered in the south of France, it is not (1)________ in the news. Rather, it is an ordinary event. Such discoveries are so (2)________ these days that hardly anybody pays heed to them. However, when the Lascaux cave complex was discovered in 1940, the world was (3)________. Painted directly on its walls were hundreds of scenes showing how people lived thousands of years ago. The scenes show people hunting animals, such as bison or wild cats. Other images (4)________ birds and, most noticeably, horses, which appear in more than 300 wall images, by far (5)________ all other animals. Question: Select the most appropriate option to fill in the blank number 5.
Option 1: outnumbering
Option 2: outsourcing
Option 3: outlasting
Option 4: outreaching
Correct Answer: outnumbering
Solution : The correct answer is the first option.
Explanation: The word "outnumbering" conveys the idea that horses appear in more than 300 wall images, exceeding or surpassing the frequency of all other animals in the scenes depicted on the walls of the Lascaux cave complex.
Therefore,
Question : Comprehension: Read the given passage carefully and answer the questions that follow. Throughout history, the intricacies of the human mind have been the subject of fascination and inquiry. From ancient philosophers to modern-day neuroscientists, the workings of the brain have been studied and analysed in an attempt to unravel its mysteries. However, despite centuries of research, much remains unknown about the complexities of human cognition and consciousness. One of the most fascinating aspects of the human mind is its ability to create and imagine. The human mind has the capacity to conceptualise and bring into being ideas that were previously unknown or unimaginable, from artistic expression to scientific discovery. The process of creativity has captured the attention of scholars and laypeople alike and is both enigmatic and awe-inspiring. There have been many theories proposed to explain the process of creativity. Some suggest that it is a purely subconscious process, while others argue that creativity is a result of conscious effort and intentional problem-solving. Still others suggest that creativity arises from a combination of conscious and subconscious processes. Despite the ongoing debate over the nature of creativity, one thing is clear: it is a multifaceted and complex phenomenon. Creativity can manifest in a wide range of human activities, from the creation of art and literature to the development of scientific theories and inventions. It can occur in both individual and collective contexts and can be driven by a variety of factors, such as curiosity, passion, or the desire for recognition. Creativity also has the potential to bring about positive change in the world. Throughout history, creative individuals and groups have used their talents to address social, political, and environmental challenges, often inspiring others to take action and make a difference. From the abolitionist movement to the civil rights movement to the environmental movement, creativity has played a crucial role in promoting social justice and positive change. Despite the many benefits of creativity, it is not without its challenges. The process of creative expression can be fraught with obstacles, from self-doubt and insecurity to external pressures and constraints. Moreover, not all creative ideas are successful or well-received, and many artists and innovators face rejection and criticism as they seek to bring their ideas to fruition. Despite these challenges, however, the human drive to create and imagine persists. Individuals and groups continue to harness the power of creativity to make a difference in the world. From the humblest amateur artist to the most celebrated innovator, the human capacity for creativity remains one of our greatest strengths and sources of inspiration. Question: What is the main focus of the passage?
Option 1: The complexities and challenges of cognitive processes.
Option 2: The mysteries of the human mind.
Option 3: The nature of creativity, its benefits, and its challenges.
Option 4: The nature of fancy and imagination.
Correct Answer: The nature of creativity, its benefits, and its challenges.
Solution : The third option is the correct answer.
The main focus of the passage is on the nature of creativity, its benefits, and its challenges. The passage explores various aspects of creativity, including its manifestation in different human
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