Staff Selection Commission Sub Inspector Exam
Question : The radius of a right circular cone is 3 cm and its height is 4 cm. The total surface area of a cone is:
Option 1: 48.4 cm2
Option 2: 64.4 cm2
Option 3: 96.4 cm2
Option 4: 75.4 cm2
Correct Answer: 75.4 cm2
Solution : The total surface area of a right circular cone of radius $r$ and slant height $l$ is $\pi r (r + l)$. Given: $r = 3 \, \text{cm}$ and $h = 4 \, \text{cm}$. $⇒l = \sqrt{r^2 + h^2}$ $⇒l = \sqrt{3^2 +
Question : A and B started travelling towards each other at the same time, from places X to Y and Y to X, respectively. After crossing each other, A and B took 2.45 hours and 4.05 hours to reach Y and X, respectively. If the speed of B was 8.4 km/hr, then what was the speed (in km/hr) of A?
Option 1: 10.8
Option 2: 11.7
Option 3: 12.6
Option 4: 9.9
Correct Answer: 10.8
Solution : $\frac{\text{Speed of A}}{\text{Speed of B}}$ = $\sqrt{\frac{\text{Time Taken by B after crossing A }}{\text{ Time Taken by A after crossing B}}}$ According to the question $\frac{\text{Speed of A}}{8.4}=\sqrt{\frac{4.05}{2.45}}=\sqrt{\frac{81}{49}}$ $\therefore$ Speed of A $=\frac{9}{7} × 8.4= 10.8$ Hence, the correct answer is 10.8.
Question : With which of the following institutions is the name of Madan Mohan Malaviya associated?
Option 1: Banaras Hindu University
Option 2: Muhammadan Anglo-Oriental College
Option 3: Fort William College
Option 4: Hindu College
Correct Answer: Banaras Hindu University
Solution : The correct answer is Banaras Hindu University.
Primarily concerned with raising the nation's educational standards, Madan Mohan Malaviya was the main force behind the founding of Banaras Hindu University in Varanasi, one of India's top universities. It is the largest residential university
Question : Directions: If the 2nd of March 2022 was a Wednesday, what day of the week was it on the 2nd of March 2006?
Option 1: Friday
Option 2: Tuesday
Option 3: Thursday
Option 4: Monday
Correct Answer: Thursday
Solution : Given: The 2nd of March 2022 was a Wednesday.
Let's calculate the total number of days from the 2nd of March 2006 to the 2nd of March 2022 – 16 × 365 = 5840 + 4 = 5844 (4 days are being added as 2008,
Question : Directions: In a certain code language, W is written as B, K is written as H, L is written as U, N is written as A, O is written as M, E is written as R, D is written as G, G is written as E, then how will KNOWLEDGE be written in that code?
Option 1: HAMBURGER
Option 2: MAHBERGUR
Option 3: HAMBUGREG
Option 4: MAHBURGER
Correct Answer: HAMBURGER
Solution : Given: W→B; K→H; L→U; N→ A; O→M; E→R; D→G; G→E
Each letter of KNOWLEDGE has a unique code – K→H; N→A; O→M; W→B; L→U; E→ R; D→G; G→E; E→R
So, KNOWLEDGE is coded as HAMBURGER. Hence, the first option is correct.
Question : Who founded the Vikramashila University?
Option 1: Gopala
Option 2: Devpala
Option 3: Karna
Option 4: Dharmapala
Correct Answer: Dharmapala
Solution : The correct answer is Dharmapala.
King Dharmapala founded Vikramashila in reaction to a perceived decrease in the standard of study at Nalanda. Atisha, the famed pandit, is occasionally mentioned as a great abbot. He was the second ruler of the Pala Dynasty, and a
Question : If $999x+888y=1332$ and $888x+999y=555$, then the value of $x+y$ is:
Option 1: 888
Option 2: 555
Option 3: 1
Option 4: 999
Correct Answer: 1
Solution : Given: $999x+888y=1332$ -----(1) $888x+999y=555$ -------(2) Adding equations (1) and (2), we have, ⇒ $1887x+1887y=1887$ ⇒ $x+y=1$ Hence, the correct answer is 1.
Question : Select the most appropriate synonym of the word 'factual' in the given sentence and choose the correct option. The scientist's hypothesis was based on empirical evidence and rigorous experimentation.
Option 1: Rigorous
Option 2: Hypothesis
Option 3: Evidence
Option 4: Empirical
Correct Answer: Empirical
Solution : The correct answer is the fourth option.
The word "empirical" is used to describe the nature of the evidence and experimentation supporting the scientist's hypothesis. The term "empirical" describes information derived from observation, experience, or experimentation. It is closely related to the idea of being
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.
We have issued (P) / a order seeking immediate (Q) / printing of revised price tag. (R) / No Error (S)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The error lies in the second part of the sentence.
The article "a" should be replaced with "an" to convey the intended meaning that the speaker has requested for the immediate printing of revised price tags. The indefinite article "a" should be replaced with "an"
Question : Select the most appropriate ANTONYM of the given word.
Asset
Option 1: Mole
Option 2: Liability
Option 3: Wealth
Option 4: Refuge
Correct Answer: Liability
Solution : The correct choice is the second option.
In the context of financial terms, assets contribute positively to one's financial standing, while liabilities represent potential drawbacks or obligations that can decrease overall wealth. Therefore, liability is the antonym that best contrasts with the positive connotation of
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