Staff Selection Commission Combined Graduate Level Exam
Question : The term 'epicentre' is associated with-
Option 1: earthquake
Option 2: folding
Option 3: faulting
Option 4: earth's equator
Correct Answer: earthquake
Solution : The correct answer is earthquake.
Earthquake or the shaking of the ground is a natural phenomenon in which tectonic plates of the earth moves abruptly, which leads to release of energy at certain point creating seismic waves. The point inside the earth on which earthquake
Question : Two persons are on either side of a temple, 75 m high, observe the angle of elevation from the top of the temple to be 30° and 60°, respectively. The distance between the persons is:
Option 1: 173.2 metres
Option 2: 100 metres
Option 3: 157.7 metres
Option 4: 273. 2 metres
Correct Answer: 173.2 metres
Solution : Clearly from the figure the distance $BD$ is $(BC+CD)$. In $\triangle ABC$, $\tan 30°=\frac{AC}{BC}$ ⇒ $\frac{1}{\sqrt{3}}=\frac{75}{BC}$ ⇒ $BC=75\sqrt{3}$ metres In $\triangle ACD$, $\tan 60°=\frac{AC}{CD}$ ⇒ $\sqrt{3}=\frac{75}{CD}$ ⇒ $CD=\frac{75}{\sqrt{3}}\times\frac{\sqrt{3}}{\sqrt{3}}$ ⇒ $CD=25\sqrt{3}$ metres Distance between both persons $BD=BC+CD$ = $75\sqrt{3}+25\sqrt{3}$ = $100\sqrt{3}=100\times1.732=173.2$ metres Hence, the correct
Question : Identify the correct statement.
Option 1: Newton is a unit of force.
Option 2: Newton is a unit of power.
Option 3: Joule is a unit of force.
Option 4: Joule is a unit of power.
Correct Answer: Newton is a unit of force.
Solution : The correct answer is Newton is a unit of force.
The SI unit of force is Newton. It is a unit force that creates a one-meter-per-second acceleration on a kilogram of mass. Force can be calculated as
Force = Mass
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
I've been to a few of his talks but understood (little of what he has said).
(1) little of what he said
(2) a little of what he has said
(3) little of what he has talked
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The correct choice is the first option.
Explanation:
"Little of what he said" is a more concise and clear expression, indicating that the speaker understood only a small portion of what was said.
So, the correct sentence would be: "I've been to a few of
Question : Which of the following statements is/are correct regarding Parliamentary Committees? A. A minister cannot be a member of the Public Accounts Committee. B. The members of the Estimates Committee are nominated by the Speaker of the Lok Sabha. C. A minister can be a member of the Estimates Committee if he is nominated by the Speaker. D. A member of the Committee on Public Undertakings will have a tenure of 2 years.
Option 1: A only
Option 2: A, B and C only
Option 3: A, B, C and D
Option 4: B, C and D only
Correct Answer: A only
Solution : The correct option is A only.
In the Indian parliamentary system, the ministers, who are part of the executive branch, do not become members of parliamentary committees, which are part of the legislative branch. This separation ensures a system of checks and balances and
Question : Directions: Select the option figure which is embedded in the given figure. (Rotation is NOT allowed).
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Since the rotation of the figure is not allowed, we will check which of the option figures can exactly fit in the given question figure.
From the above, it is clear that the second option figure is embedded in the question figure. Hence, the second option
Question : If $x+y+z=0$, then what is the value of $\frac{\left (3y^{2}+x^{2}+z^{2} \right )}{\left (2y^{2}-xz \right)}$?
Option 1: $2$
Option 2: $1$
Option 3: $\frac{3}{2}$
Option 4: $\frac{5}{3}$
Correct Answer: $2$
Solution : Given: $x+y+z=0$ Solution: $\frac{(3y^{2}+x^{2}+z^{2})}{(2y^{2}-xz)}$ Since $x+y+z=0$, put $x = 1$, $y = –1$ , $z = 0$; $=\frac{3+1}{2}= 2$ Hence, the correct answer is $2$.
Question : Directions: From the given alternative words, select the word that cannot be formed using the letters of the given word. MEASUREMENT
Option 1: TEAMS
Option 2: MASTER
Option 3: SUMMIT
Option 4: SUMMER
Correct Answer: SUMMIT
Solution : Given: MEASUREMENT
Now, let's compare all the option words with the word MEASUREMENT – First option: TEAMS; All the letters of the word TEAMS are present in the word MEASUREMENT. Second option: MASTER; All the letters of the word MASTER are present in the word
Question : A watch is listed for Rs. 230 and sold at a discount of 12%. The selling price of the watch is:
Option 1: Rs. 27.60
Option 2: Rs. 276
Option 3: Rs. 202.40
Option 4: Rs. 257.60
Correct Answer: Rs. 202.40
Solution : Marked Price = Rs. 230 Discount = 12% Selling Price = (100 – 12)% of 230 = 88% of 230 = $\frac{88 × 230}{100}$ = Rs. 202.40 Hence, the correct answer is Rs. 202.40.
Question : Direction: The bar diagram shows the monthly expenditure of a company. Study the graph and answer the question.
The fraction of money spent on refreshments is:
Option 1: $13\frac{1}{2}$
Option 2: $\frac{2}{27}$
Option 3: $\frac{1}{10}$
Option 4: $10$
Correct Answer: $\frac{2}{27}$
Solution : Total expenditure = (80 + 10 + 20 + 10 + 15) = Rs. 135 lakhs Total refreshment costs = Rs. 10 lakhs Required fraction = $\frac{\text{Expenditure on refreshments}}{\text{Total expenditure}}=\frac{10}{135}=\frac{2}{27}$ Hence, the correct answer is $\frac{2}{27}$.
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