Staff Selection Commission Combined Graduate Level Exam
Question : Direction: A word is represented by only one set of numbers as given in any one 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. 'A' can be represented by 03, 55, etc., and 'P' can be represented by 10, 99, etc. Similarly, you have to identify the set for the word.
'VENU'
Option 1: 69, 87, 32, 41
Option 2: 85, 02, 20, 57
Option 3: 11, 95, 89, 57
Option 4: 69, 95, 22, 04
Correct Answer: 85, 02, 20, 57
Solution : Given: VENU
Number representations of each letter: V → 11, 85, 69 E → 95, 87, 02 N → 20, 22, 59 U → 21, 41, 57
First option: 69, 87, 32, 41 N cannot be represented by 32. Hence, it's
Question : Two chords of lengths $a$ metre and $b$ metre subtend angles $60^{\circ}$ and $90^{\circ}$ at the centre of the circle, respectively. Which of the following is true?
Option 1: $b=\sqrt{2}a$
Option 2: $a=\sqrt{2}b$
Option 3: $a=2b$
Option 4: $b=2a$
Correct Answer: $b=\sqrt{2}a$
Solution : The length of a chord in a circle, $=2×r×\sin \left(\frac{\theta}{2}\right)$ Where $r$ is the radius of the circle and $\theta$ is the angle subtended at the centre by the chord. Given that the lengths of the chords are $a$ and $b$ meters, they subtend angles
Question : In the early nineteenth century, who demonstrated that there are fourteen space lattices, or regularly repeating arrangements of points in space, that differ in symmetry and geometry?
Option 1: Auguste Bravais
Option 2: William Bragg
Option 3: Jerome Karle
Option 4: Charles Frank
Correct Answer: Auguste Bravais
Solution : The correct option is Auguste Bravais.
Auguste Bravais was a French physicist who made significant contributions to Crystallography. Bravais' work on lattices and their classification was instrumental in understanding the structure of crystalline materials.
Question : Directions: Three of the following four-letter clusters are alike in a certain way and one is different. Pick the odd one out.
Option 1: ONL
Option 2: RQO
Option 3: HGE
Option 4: DCB
Correct Answer: DCB
Solution : Let's check the options – First option: ONL; O – 1 = N; N – 2 = L Second option: RQO; R – 1 = Q; Q – 2 = O Third option: HGE; H – 1 = G; G – 2 = E Fourth
Question : If $x^{2} -3x +1=0$, then the value of $\frac{\left(x^4+\frac{1}{x^2}\right)}{\left(x^2+5 x+1\right)}$ is:
Option 1: $\frac{9}{4}$
Option 2: $\frac{27}{8}$
Option 3: $\frac{5}{2}$
Option 4: $2$
Correct Answer: $\frac{9}{4}$
Solution : Given: $x^{2} -3x +1=0$ $⇒x^{2} +1 = 3x$ Dividing $x$ on both sides, we get, $⇒x + \frac{1}{x} = 3$ Cubing both sides, we get, $⇒(x+\frac{1}{x})^3=3^3$ $⇒x^3+\frac{1}{x^3}+3×x×\frac{1}{x}(x+\frac{1}{x})=27$ $⇒x^3+\frac{1}{x^3}+3×3=27$ $⇒x^3+\frac{1}{x^3}=18$ Now, $ \frac{x^4 +\frac{1}{x^2}}{x^2 + 5x + 1}$ $= \frac{x(x^3 +\frac{1}{x^3})}{x(x + 5 + \frac{1}{x})}$ $=
Question : Directions: A # B means A is the brother of B; A @ B means A is the daughter of B; A & B means A is the husband of B; A % B means A is the wife of B. If D @ N @ H & Y @ F % V, then how is N related to F?
Option 1: Son’s wife
Option 2: Daughter
Option 3: Daughter’s daughter
Option 4: Sister’s daughter
Correct Answer: Daughter’s daughter
Solution : Given: A # B ⇒ A is the brother of B A @ B ⇒ A is the daughter of B A & B ⇒ A is the husband of B A % B ⇒ A is the wife of B
As per the
Question : Match the columns.
Option 1: A-I, B-II, C-III, D-IV
Option 2: A-I, B-II, C-IV, D-III
Option 3: A-IV, B-III, C-I, D-II
Option 4: A-IV, B-III, C-II, D-I
Correct Answer: A-I, B-II, C-III, D-IV
Solution : The correct answer is A-I, B-II, C-III, D-IV.
(A) ICAR-Central Institute for Arid Horticulture in Bikaner focus on arid region horticulture research.
(B) ICAR-Central Institute of Cotton Research in Nagpur specialises in cotton research and technology.
(C) ICAR-National Rice Research Institute in
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.
He has the full facts ______ but is deliberately hiding them.
Option 1: up his sleeve
Option 2: under his sleeves
Option 3: upon his sleeves
Option 4: in his sleeves
Correct Answer: up his sleeve
Solution : The correct answer is in option one.
The correct sentence is:
He has the full facts up his sleeve but is deliberately hiding them.
This sentence is effective because it conveys the speaker's suspicion and frustration. It also suggests that the other person
Question : Direction: In the following questions, two statements are given followed by two conclusions I and II. You have to consider the two statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.
Statements
I. The Constitution assures fundamental rights.
II. Parliament has the right to amend the Constitution.
Conclusions
I. Parliament included fundamental rights in the Constitution.
II. Parliament did not assure the fundamental rights.
Option 1: Only conclusion I follows
Option 2: Only conclusion II follows
Option 3: Both conclusions I and II follow
Option 4: None of them
Correct Answer: None of them
Solution : Given:
Let's analyze the conclusions:
I. Parliament included fundamental rights in the Constitution. This conclusion does not logically follow from the given statements. Statement I tells us
Question : In $\triangle A B C,\ D$ is the mid-point of $BC$ and $G$ is the centroid. If $G D = 10\ \text{cm} $, the length of $AD$ is_____.
Option 1: 20 cm
Option 2: 30 cm
Option 3: 15 cm
Option 4: 10 cm
Correct Answer: 30 cm
Solution : The centroid divides each median into two segments whose lengths are in the ratio of 2 : 1. $GD$ = 10 cm Let the length of $AG$ be $x$. $\therefore \frac{2}{1} = \frac{x}{10}$ $\Rightarrow x = 20\ \text{cm}$ Now, $AD = GD + AG
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