Staff Selection Commission Sub Inspector Exam
Question : Directions: Select the Venn diagram that best illustrates the relationship between the following classes. Spoon, Soup, Rice
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Given: Spoon, Soup, Rice
Spoon, soup, and rice are not related to each other. So, their circles are not related to each other. So, they will not have areas in common in the Venn diagram. The Venn diagram is –
Hence, the first option is correct.
Question : China has hosted the:
Option 1: XXIX Olympic Games
Option 2: XXVIII Olympic Games
Option 3: XXVII Olympic Games
Option 4: XXX Olympic Games
Correct Answer: XXIX Olympic Games
Solution : The correct answer is the XXIX Olympic Games.
China hosted the 29th Summer Olympics which was held in Beijing. In 2008 the Olympic Games were held in China for the first time. The 2022 Winter Olympic Games were also held in Beijing. It became the first city in the world to host both the Olympic Games.
Question : Which of the following schemes adopts the One District One Product (ODOP) approach to reap the benefit of scale in terms of procurement of inputs, availing common services and marketing of products?
Option 1: Pradhan Mantri Kisan Sampada Yojana
Option 2: Micro and Small Enterprises Cluster Development Programme (MSE-CDP)
Option 3: Production Linked Incentive Scheme For Food Processing Industry (PLISFPI)
Option 4: Pradhan Mantri Formalisation of Micro Food Processing Enterprises (PMFME)
Correct Answer: Pradhan Mantri Formalisation of Micro Food Processing Enterprises (PMFME)
Solution : The correct answer is Pradhan Mantri Formalisation of Micro Food Processing Enterprises (PMFME).
The Ministry of Food Processing Industries, as part of the Atmanirbhar Bharat Abhiyan, has launched the "PM Formalisation of Micro Food Processing Enterprises (PMFME) Scheme". This centrally sponsored initiative aims to provide financial, technical and, business support to upgrade existing micro-food processing enterprises. Following the One District, One Product (ODOP) approach, the scheme focuses on enhancing value chains, aligning support infrastructure, and building capacity for two lakh microenterprises across 707 districts in 35 states and UTs.
Question : The marked price of a laptop is Rs. 12000. In a clearance sale, it is sold at a discount of 15%, incurring a loss of 4%. What is the cost price of the laptop?
Option 1: Rs. 10200
Option 2: Rs. 10625
Option 3: Rs. 11200
Option 4: Rs. 10275
Correct Answer: Rs. 10625
Solution : Here, the marked price of a laptop = Rs. 12000 Cost price of the laptop = Rs. $y$ According to the question, (100 – 4)% of $y$ = (100 – 15)% of 12000 ⇒ $y × \frac{96}{100}=\frac{85}{100}×12000=120×85$ ⇒ $y = \frac{120×85×100}{96}$ $\therefore y = 10625$ Hence, the correct answer is Rs. 10625.
Question : A can do a piece of work in 10 days, while A and B together can complete it in $2 \frac{1}{2}$ days. How long will B alone take to complete the work?
Option 1: $\frac{3}{10}$ days
Option 2: $\frac{10}{3}$ days
Option 3: $3$ days
Option 4: $4$ days
Correct Answer: $\frac{10}{3}$ days
Solution : Given: A can do a piece of work in 10 days, while A and B together can complete it in $2\frac{1}{2}$ days. Let the total work = LCM of 10 and $2\frac{1}{2}$ i.e., $\frac{5}{2}$ = 10 units Now, the efficiency of A = $\frac{10}{10}$ = 1 and the total efficiency of A and B = 10 ÷ $\frac{5}{2}$ = 4 So, the efficiency of B = (4 – 1) = 3 $\therefore$ B alone can complete the work in $\frac{10}{3}$ days. Hence, the correct answer is $\frac{10}{3}$ days.
Question : Directions: Seven people, A, B, C, D, E, F, and G are sitting in a straight row facing the north. Only two people sit to the left of C. Only two people sit between A and B. B sits to the left of A. E is an immediate neighbour of A to the right. Only one person sits to the right of D. F is not an immediate neighbour of B. Who sits to the extreme left?
Option 1: B
Option 2: D
Option 3: E
Option 4: F
Correct Answer: B
Solution : Given: (I) Only two people sit between A and B. B sits to the left of A. E is an immediate neighbour of A to the right.
(II) Only two people sit to the left of C. Only one person sits to the right of D. F is not an immediate neighbour of B.
So, B sits to the extreme left. Hence, the first option is correct.
Question : If the square of the sum of two numbers is equal to 4 times their product, then the ratio of these numbers is:
Option 1: 2 : 1
Option 2: 1 : 3
Option 3: 1 : 1
Option 4: 1 : 2
Correct Answer: 1 : 1
Solution : Let the numbers be $x$ and $y$. According to the question, $(x + y)^2 = 4xy$ ⇒ $x^2+y^2+2xy-4xy = 0$ ⇒ $x^2+y^2-2xy = 0$ ⇒ $(x -y)^{2} = 0$ ⇒ $x = y$ $\therefore$ The required ratio is 1 : 1. Hence, the correct answer is 1 : 1.
Question : A rectangular lawn whose length is twice its breadth is extended by having four semi-circular portions on its sides. What is the total cost (in INR) of levelling the entire lawn at the rate of INR 100 per square metre, if the smaller side of the rectangular lawn is 12 m? (Take $\pi=3.14$)
Option 1: 85,320
Option 2: 78,650
Option 3: 86,540
Option 4: 97,625
Correct Answer: 85,320
Solution : Breadth = 12 m Length = 2 × Breadth = 2 × 12 = 24 m Area of rectangle = Length × Breadth = 12 × 24 = 288 m2 Cost of levelling = Rs. 100 per m2 Area of semi-circle = $\frac{1}{2}$ × $\pi r^2$ Area of semi-circle on larger side = $\frac{1}{2} \times \pi \times 12^2$ = $72\pi$ m$^2$ Area of semi-circle on smaller side = $\frac{1}{2} × \pi × 6^2$ = $18\pi$ m$^2$ The total area of the lawn = Area of the rectangle + 2 × Area of the semi-circle on the larger side + 2 × Area of the semicircle on the smaller side Total area of lawn = 288 + (2 × 72$\pi$ ) + (2 × 18$\pi$) Total area of lawn = 288 + 2$\pi$(72 + 18) = 288 + 2 × 3.14 × 90 = 288 + 565.2 = 853.2 m$^2$ The total cost of levelling = Total area of lawn × 100 = 853.2 × 100 = 85,320 Hence, the correct answer is INR 85,320.
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.
(P) We have done everything (Q) that could be done (R) to avert the storm which is now coming on. (S) No Error
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The correct choice is the first option.
"We have done" should be replaced with "we did" to emphasise the tense consistency action, indicating that everything was done to avert the storm.
The sentence should be: "We had done everything that could be done to avert the storm which is now coming on."
Question : Directions: In the question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
All teachers agree that Paresh is the __________ intelligent boy in his class.
Option 1: more
Option 2: most
Option 3: very
Option 4: only
Correct Answer: most
Solution : The correct choice is the second option.
Explanation:
Most intelligent is the superlative form, indicating that Paresh is the most intelligent boy in his class, and it doesn't require a comparison with other students.
Therefore, the complete sentence is: All teachers agree that Paresh is the most intelligent boy in his class.
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