Staff Selection Commission Combined Higher Secondary Level Exam
Question : The pie chart below gives the expenses under different heads that a publisher of books has to incur towards the cost of selling a book. All figures are given as percentages of the total expenditure incurred. If the amount spent on printing is INR 1,40,000, which of the options given below does NOT give correct information?
Option 1: Cost of paper is INR 1,68,000
Option 2: Cost of editing is INR 84,000
Option 3: The retailer's margin is INR 2,54,000
Option 4: Cost of transportation is INR 1,12,000
Correct Answer: The retailer's margin is INR 2,54,000
Solution : Given that the amount spent on printing is INR 1,40,000 Let the total cost be $x$ According to the given pie chart, Cost spent on printing = 12.5% of $x$ ⇒ $140000=\frac{12.5}{100}\times x$ ⇒ $x=\frac{140000\times 100}{12.5}$ ⇒ $x=$ INR 11,20,000
Question : Comprehension:
In the following passage, some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
Children learn to walk and talk naturally, (1)_____that is not the case with reading. Reading strategies are designed to help your child develop a strong reading (2)____one built with confidence, engagement, and joy. As a parent, you are most likely always looking for (3)____that make your child want to learn. We are here to help you and your child on their journey as a (4)_____reader. Try some reading strategy suggestions below for kids (5)____are beginning to read all the way to those reading advanced chapter books.
Question: Select the most appropriate option to fill in the blank number 4.
Option 1: budding
Option 2: dying
Option 3: ripened
Option 4: sulking
Correct Answer: budding
Solution : The correct choice is the first option.
Explanation: The word budding refers to an act of beginning to develop a particular skill or talent. In this context, it fits well with the idea of a child in the early stages of becoming a reader.
The
Question : "Marginal cost" equals:
Option 1: total cost minus total benefit for the last unit produced
Option 2: total cost divided by total benefit for the last unit produced
Option 3: total cost divided by quantity
Option 4: the change in total cost divided by the change in quantity
Correct Answer: the change in total cost divided by the change in quantity
Solution : The correct answer is the change in total cost divided by the change in quantity.
The marginal cost is the difference in total production costs generated by developing or manufacturing one extra unit. To
Question : In a cyclic quadrilateral MNOP, $\angle$M is opposite to $\angle$O, If 2$\angle$O = 3$ \angle$M, then what is the value of $\angle$M?
Option 1: 88°
Option 2: 108°
Option 3: 72°
Option 4: 96°
Correct Answer: 72°
Solution : In a cyclic quadrilateral, the sum of a pair of opposite angles is 180°. ⇒ $\angle$M + $\angle$O = 180° Given that 2$\angle$O = 3$ \angle$M, ⇒ $\angle$O = 1.5$ \angle$M Substituting this into the formula $\angle$M + $\angle$O = 180°, ⇒ $\angle$M + 1.5$\angle$M
Question : Which of the following is not included while estimating national income through income method?
Option 1: Rent
Option 2: Mixed Incomes
Option 3: Pension
Option 4: Undistributed profits
Correct Answer: Undistributed profits
Solution : The correct option is Undistributed profits.
Undistributed profits, also known as retained earnings, are not counted when calculating national income using the income method. Only profits that are actually paid out to individuals as dividends are included in this calculation. Undistributed profits are considered
Question : Among the world's oceans, which ocean has the widest continental shelf?
Option 1: Antarctic Ocean
Option 2: Arctic Ocean
Option 3: Indian Ocean
Option 4: Atlantic Ocean
Correct Answer: Arctic Ocean
Solution : The correct option is the Arctic Ocean.
A section of a continent buried beneath a body of relatively shallow water is referred to as a shelf sea, called a continental shelf. From the coast of Siberia into the Arctic Ocean, the continental shelf in
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 mirror image properties, closer things appear closer to the mirror in reflection. If a mirror is placed on line MN according to the given figure, the top and bottom sides of the figure will swap positions. Therefore, what was once on the top side
Question : If $a+b+c=13$ and $a b+b c+c a=45$, find $a^2+b^2+c^2$.
Option 1: 79
Option 2: 65
Option 3: 57
Option 4: 85
Correct Answer: 79
Solution : Given: $a+b+c=13$ and $ab+bc+ca=45$ $a^2 + b^2 + c^2 = (a + b + c)^2 - 2 (ab + bc + ca)$ $= 13^2-2\times 45$ $= 169-90 = 79$ Hence, the correct answer is 79.
Question : Under the new IPL rule in 2023, who among the following Chennai Super King players became the first Impact player in the history of the tournament?
Option 1: MS Dhoni
Option 2: Deepak Chahar
Option 3: Akash Singh
Option 4: Tushar Deshpande
Correct Answer: Tushar Deshpande
Solution : The correct answer is Tushar Deshpande.
Making history, Tushar Deshpande became the inaugural 'Impact Player' in IPL history while representing Chennai Super Kings in the 2023 season. Chennai Super Kings clinched the IPL 2023 trophy, defeating Gujarat Titans in the final by 7
Question : The energy that can harness heat stored below the earth's surface is known as:
Option 1: thermal energy
Option 2: nuclear energy
Option 3: tidal energy
Option 4: geothermal energy
Correct Answer: geothermal energy
Solution : The correct option is geothermal energy.
Geothermal energy is energy that can be produced by using heat that is stored under the earth's surface. This type of energy is obtained from the Earth's interior's inherent heat, which comes from the radioactive decay of minerals
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