Staff Selection Commission Combined Higher Secondary Level Exam
Question : Who is called the "Father of Economics"?
Option 1: Max Muller
Option 2: Karl Marx
Option 3: Adam Smith
Option 4: Alfred Marshall
Correct Answer: Adam Smith
Solution : The correct answer is Adam Smith.
The "Father of Economics" is Adam Smith. He was a Scottish economist. Smith's most famous work, The Wealth of Nations, was published in 1776. Smith argued in his book that the free market is a substantial way
Question : In a triangle $ABC$, side $BC$ is produced to $D$ such that $\angle A C D=127^{\circ}$. If $\angle A B C=35^{\circ}$, then find $\angle B A C$.
Option 1: 82°
Option 2: 92°
Option 3: 95°
Option 4: 75°
Correct Answer: 92°
Solution : Given, In a triangle $ABC$, $\angle A C D=127^{\circ}$ and $\angle A B C=35^{\circ}$ By exterior angle property, $\angle A C D = \angle A B C+\angle B A C$ $⇒127^{\circ} = 35^{\circ}+\angle B A C$ $⇒\angle B A C=127^{\circ} - 35^{\circ}$ $\therefore\angle B A
Question : Directions: A word is represented by only one set of numbers as given in any of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in the two matrices, given below. The columns and rows of Matrix (I) are numbered from 0 to 4 and that of Matrix (II) are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g. R can be represented by 12, 23, etc, and G can be represented by 77, 88, etc. Similarly, you have to identify the set for the word FRIEND.
Option 1: 76, 23, 85, 21, 78, 20
Option 2: 87, 23, 79, 21, 78, 20
Option 3: 87,12, 68, 21, 99, 33
Option 4: 98, 23, 68, 96, 78, 20
Correct Answer: 87, 23, 79, 21, 78, 20
Solution : Given: FRIEND
Number representations of each letter – F→65, 76, 87, 98 R→01, 12, 23, 34 I→57, 68, 79, 89 E→10, 21, 32, 43 N→56, 67, 78, 99 D→20, 31, 42
First option: 76, 23, 85, 21, 78, 20; I
Question : The following bar graph shows the sales of tractors by a showroom in different months. What was the approximate percentage decline from August to September?
Option 1: 33%
Option 2: 51%
Option 3: 46%
Option 4: 55%
Correct Answer: 46%
Solution : Number of tractors sold in September = 1875 Number of tractors sold in August = 3475 The decline in the number of tractors from August to September = 3475 – 1875 = 1600 Percentage decline in the number of tractors = $\frac{1600}{3475} \times 100 =
Question : Per Capita income is equal to
Option 1:
Option 2: National Income + Population
Option 3: National Income - Population
Option 4: National Income x Population
Correct Answer:
Solution : The Correct Answer is National Income / Total Population of the Country.
The mean income calculated for each man, woman, and child in a given group, including those residing in communal housing, is known as per capita income. A country's per capita income is determined by
Question : If $\tan 2 \theta=\cot \left(\theta-36^{\circ}\right)$, where $2 \theta$ is an acute angle, then the value of $\theta$ is:
Option 1: 18°
Option 2: 36°
Option 3: 30°
Option 4: 42°
Correct Answer: 42°
Solution : Given, $\tan 2 \theta=\cot \left(\theta-36^{\circ}\right)$ ⇒ $\tan 2 \theta=\tan \left(90^{\circ}-\theta+36^{\circ}\right)$ ⇒ $2\theta=126^{\circ}-\theta$ ⇒ $3\theta=126^{\circ}$ $\therefore \theta=42^{\circ}$ Hence, the correct answer is 42°.
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. Upgrading the higher education sector, especially in terms of patents filed and cutting-edge research output, is (1)______ in improving India’s global ranking. Our sustainable (2)______ development depends on human resources. A quality higher education base is essential to reap the full benefits of our demographic dividend. In higher education, the strategies of the 12th plan (3)______ on technical education, distance learning, quality research, infrastructure, faculty, and curriculum content. (4)______ efforts of the government departments and the private sector are needed to (5)______ the plan’s educational goals. Select the most appropriate option to fill in the blank number 5.
Option 1: remain
Option 2: realise
Option 3: conclude
Option 4: conduct
Correct Answer: realise
Solution : The correct choice is the second option.
Realise in this context means to achieve or make something happen. It indicates that the joint efforts of government departments and the private sector are necessary to achieve the educational goals outlined in the plan.
Explanations of the
Question : _________________ refers to the gross market value of all final goods and services produced within the domestic territory of a country during a period of one year.
Option 1: GDP at MP
Option 2: GDP at FC
Option 3: GNP at MP
Option 4: GNP at FC
Correct Answer: GDP at MP
Solution :
Question : If the sum of squares of two real numbers is 12 and the product of the numbers is 4, find the difference between the numbers.
Option 1: 4
Option 2: 8
Option 3: 1
Option 4: 2
Correct Answer: 2
Solution : Given: The sum of squares of two numbers = 12 Product of the numbers = 4 Let the numbers be $a$ and $b$. ⇒ $a^2+b^2=12$ and $ab = 4$ We know, $(a-b)^2=a^2+b^2-2ab$ ⇒ $(a-b)^2=12-2\times4$ ⇒ $(a-b)^2=12-8$ ⇒ $(a-b)^2=4$ ⇒ $a-b=\sqrt4=2$ Hence, the correct answer is
Question : Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. Isabel saw a strange rabbit running through the bushes. B. Following it, she found a door which she opened with the help of keys. C. After that, she felt a strange sensation in her body. D. She thought as if she was in a dream.
Option 1: CDAB
Option 2: DCAB
Option 3: BCDA
Option 4: ABCD
Correct Answer: ABCD
Solution : The correct choice is the fourth option.
A. Isabel saw a strange rabbit running through the bushes. (Introducing the initial action or event) B. Following it, she found a door, which she opened with the help of keys. (Continuation of the action initiated
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