Staff Selection Commission Sub Inspector Exam
Question : Comprehension:
Read the passage carefully and answer the question that follows.
Humans are social animals by nature. To prosper in life, we require the company of others, and the strength of our bonds has a significant influence on our mental health and happiness. Being socially linked to people may help you cope with stress, worry and depression, increase your self-esteem, bring comfort and joy, prevent loneliness, and even add years to your life. On the other hand, a lack of strong social relationships might put your mental and emotional health in danger. Many of us use social media sites like Facebook, Twitter, Snapchat, YouTube and Instagram to locate and communicate with one another in today's society. While each has its own set of advantages, it's vital to realise that social media will never be a substitute for genuine human interaction. In order to trigger the hormones that relieve stress and make you feel happier, healthier, and more optimistic, you must interact with individuals in person. Spending too much time on social media, ironically for a tool supposed to bring people closer together, can instead make you feel more lonely and isolated, and aggravate mental health issues like anxiety and depression. If you're spending too much time on social media and are experiencing emotions of unhappiness, discontent, irritation or loneliness, it's time to re-evaluate your online habits and establish a healthier balance.
Because social media is such a new technology, little study has been done to determine the long-term effects, good or ill, of its use. Multiple studies, however, have linked extensive social media use to an increased risk of melancholy, anxiety, loneliness, self-harm and even suicide ideation. The purpose of social media sites is to capture your interest, keep you online, and keep you checking your screen for updates. It's how businesses generate money. However, much like a gambling addiction or a nicotine, alcohol, or drug addiction, social media use may lead to psychological cravings. When you get a like, a share, or a positive reaction to a post, your brain releases dopamine, the same 'reward' chemical that you get after winning at a slot machine, eating chocolate, or smoking a cigarette, for example. The more you're rewarded, the more time you want to spend on social media, even if it has negative consequences in other areas of your life.
Question:
Select the most appropriate title for the given passage.
Option 1: Advantages of Social Media
Option 2: Consequences of Social Media
Option 3: Social Media and Mental Health
Option 4: Mental Health During Troubled Times
Correct Answer: Social Media and Mental Health
Solution : The correct choice is the third option.
Explanation:
The passage discusses the impact of social relationships, the benefits and drawbacks of social media use, and its effects on mental health. The central theme revolves around the connection between social media and mental well-being, addressing both positive and negative aspects. Therefore, "Social Media and Mental Health" accurately reflects the main idea of the passage.
Question : In an election between 2 parties A and B, A gets 37% of total votes cast and thus lost by 338 votes. The total number of cast votes is (assume none of the votes was declared invalid):
Option 1: 1300
Option 2: 1500
Option 3: 1200
Option 4: 1800
Correct Answer: 1300
Solution : Let the total no. of votes cast be $x$ A gets 37% of the total votes then B gets = 100 – 37% = 63% votes Difference of votes of A and B = 63% – 37% = 26% According to the question, 26% of $x$ = 338 $⇒ \frac{26}{100} \times x = 338$ $⇒ 26x = 33800$ $⇒ x = \frac{33800}{26}$ = 1300 ∴ The total number of cast votes is 1300. Hence, the correct answer is 1300.
Question : In 1785, who used the calibrated torsion balance to measure the force between electric charges?
Option 1: R. A. Millikan
Option 2: Hans Christian Oersted
Option 3: John Michell
Option 4: Charles-Augustin de Coulomb
Correct Answer: Charles-Augustin de Coulomb
Solution : The correct option is Charles Augustin de Coulomb.
In 1785, the French physicist Charles-Augustin de Coulomb used a calibrated torsion balance to experimentally investigate and measure the force between electric charges. Coulomb's work laid the foundation for understanding electrostatic forces and formulating Coulomb's Law, which describes the quantitative relationship between the magnitudes of electric charges and the force between them.
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? $\frac{-1}{729},\frac{-1}{81},\frac{-1}{9},?$
Option 1: 1
Option 2: –1
Option 3: $\frac{-1}{3}$
Option 4: $\frac{1}{3}$
Correct Answer: –1
Solution : Given: $\frac{-1}{729},\frac{-1}{81},\frac{-1}{9},?$
Multiply the previous term by 9 to obtain the missing term. $\frac{-1}{729}×9=\frac{-1}{81};\frac{-1}{81}×9=\frac{-1}{9};\frac{-1}{9}×9=-1$
So, –1 is the missing term in the given series. Hence, the second option is correct.
Question : Directions: The following table gives details about the percentage change in the population in a particular town for given years. Go through the chart given and answer the questions that follow:
What was the percentage increase in the population of the town from 2005 to 2008?
Option 1: 19%
Option 2: 33.33%
Option 3: 22.6%
Option 4: Can not be determined.
Correct Answer: 22.6%
Solution : Percentage increase in population in 2005 = 6% Percentage increase in population in 2006 = 3% Single increase percentage = $6+3+\frac{6×3}{100}=9.18$% Percentage increase in population in 2007 = 4% Single increase percentage of 9.18% and 4% = $9.18+4+\frac{9.18×4}{100}=13.55$% Percentage increase in population in 2008 = 8% Single increase percentage of 13.55% and 8% = $13.55+8+\frac{13.55×8}{100}=22.6$% Hence, the correct answer is 22.6%.
Question : The earth rotates on its axis at an inclination of
Option 1: 23 1/2 degree
Option 2: 22 1/2 degree
Option 3: 21 1/2 degree
Option 4: 20 degree
Correct Answer: 23 1/2 degree
Solution : The correct answer is 23.5 degree.
Earth' axis of rotation is inclined at 23.5 degree from its orbital plane. Although this inclination varies slightly because of the gravitational attraction of sun and moon. This is responsible for the weather phenomenons on earth and makes life possible. The change in orbital tilt is known as obliquity.
Question : Directions: Four words have been given out of which three are alike in some manner, while one is different. Choose the odd one.
Option 1: Stars
Option 2: Planets
Option 3: Galaxies
Option 4: Rockets
Correct Answer: Rockets
Solution : Let's check each option – First option: Stars→The heavenly bodies of the Universe. Second option: Planets→The heavenly bodies of the Universe. Third option: Galaxies→The heavenly bodies of the Universe. Fourth option: Rockets→ It is a man–made structure.
So, only the fourth option is different from the others. Hence, the fourth option is correct.
Question : Directions: Which answer figure will complete the pattern in the question figure?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : On comparing the question figure and all the answer figures, the following figure will combine and make the complete pattern –
Hence, the first option is correct.
Read the following passage and answer the questions that follow.
During the decade after liberalisation floriculture industries took giant steps in the export arena. This era has seen a dynamic shift from sustenance production to commercial production. The area under floriculture production in India is around 249 thousand hectares with a production of 1659 thousand tonnes loose flowers and 484 thousand tonnes cut flowers. Floriculture is now commercially cultivated in several states with Tamil Nadu (20%), Karnataka (13.5%) West Bengal (12.2%) having gone ahead of other producing states like Madhya Pradesh, Mizoram, Gujarat, Andhra Pradesh, Odisha, Jharkhand, Haryana, Assam and Chhattisgarh.
Government of India has identified floriculture as a sunrise industry and accorded it 100 % export oriented status. Owing to steady increase in the demand of flowers, floriculture has become one of the important commercial trades in agriculture. Hence commercial floriculture has emerged as hi-tech activity-taking place under controlled climatic conditions inside greenhouse. Floriculture in India, is being viewed as a high growth industry. Commercial floriculture is becoming important from the export angle. The liberalisation of industrial and trade policies paved the way for development of export-oriented production of cut flowers. The new seed policy had already made it feasible to import planting material of international varieties. It has been found that commercial floriculture has higher potential per unit area than most of the field crops and is therefore a lucrative business. Indian floriculture industry has been shifting from traditional flowers to cut flowers for export purposes. The liberalised economy has given an impetus to the Indian entrepreneurs for establishing export oriented floriculture units under controlled climatic conditions.
Indian floriculture industry comprises of flowers such as Rose, Tuberose, Glads, Anthurium, Carnations, Marigold etc.
India's total export of floriculture was INR 571.38 crores 81.94 million in 2018-19. The major importing countries were United States, Netherlands, United Kingdom, Germany and United Arab Emirates. There are more than 300 export-oriented units in India. More than 50 % of the floriculture units are based in Karnataka, Andhra Pradesh and Tamil Nadu. With the technical collaborations from foreign companies, the Indian floriculture industry is poised to increase its share in world trade.
Which of the following statements is NOT true according to the passage?
Option 1: Floriculture has been identified as a sunrise industry by the Government of India.
Option 2: India's total export of floriculture was $571.38 million in 2018-19.
Option 3: More than 50% of the floriculture units are based in Karnataka, Andhra Pradesh and Tamil Nadu.
Option 4: Floriculture has been accorded a 100% export status by the Government.
Correct Answer: India's total export of floriculture was $571.38 million in 2018-19.
Solution : The second option is the correct choice.
The correct figure mentioned in the passage is "INR 571.38 crores," not million dollars. The statement incorrectly converts the currency to dollars. So, this statement is not true according to the information provided in the passage.
Therefore, the incorrect statement is: "India's total export of floriculture was $571.38 million in 2018-19."
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. (626 * 2) * (11 * 9) * 69 * 240 * 103
Option 1: ÷, +, ×, =, +, +
Option 2: +, ×, =, ÷, +, −
Option 3: ÷, −, ×, =, −, ×
Option 4: +, ×, =, −, ÷, +
Correct Answer: ÷, +, ×, =, +, +
Solution : Given: (626 * 2) * (11 * 9) * 69 * 240 * 103
Replace * with the mathematical signs and solve the equations one by one using BODMAS. Let's check the given options – First option: ÷, +, ×, =, +, + ⇒ (626 ÷ 2) + (11 × 9) = 69 + 240 + 103 L.H.S. = (626 ÷ 2) + (11 × 9) = 313 + 99 = 412 R.H.S. = 69 + 240 + 103 = 412 Here, L.H.S = R.H.S Second option: +, ×, =, ÷, +, − ⇒ (626 + 2) × 11 = 9 ÷ 69 + 240 − 103 L.H.S. = (626 + 2) × 11 = 628 × 11 = 6908 R.H.S. = 9 ÷ 69 + 240 − 103 = 0.13 + 240 − 103 = 137.13 Here, L.H.S ≠ R.H.S Third option: ÷, −, ×, =, −, × ⇒ (626 ÷ 2) − (11 × 9) = 69 − 240 × 103 L.H.S = (626 ÷ 2) − (11 × 9) = 313 − 99 = 214 R.H.S = 69 − 240 × 103 = 69 − 24720 = −24651 Here, L.H.S ≠ R.H.S Fourth option: +, ×, =, −, ÷, + ⇒ (626 + 2) × 11 = 9 − 69 ÷ 240 + 103 L.H.S = (626 + 2) × 11 = 628 × 11 = 6908 R.H.S = 9 − 69 ÷ 240 + 103 = 9 − 0.29 + 103 = 111.71 Here, L.H.S ≠ R.H.S
So, only the first option satisfies the given equation. Hence, the first option is correct.
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