Staff Selection Commission Sub Inspector Exam
Question : ________ are used for communication in artificial satellites.
Option 1: Infrared waves
Option 2: Radio waves
Option 3: Ultraviolet (UV) rays
Option 4: Amplitude Modulation (AM) waves
Correct Answer: Radio waves
Solution : The correct option is Radio waves.
Electromagnetic radiation with particularly long wavelengths is radio waves. Radio waves are used by artificial satellites in orbit to send and receive signals to and from Earth. This makes possible numerous forms of communication, including TV broadcasts, data
Question : Directions: In this question, some equations are solved on the same basis as a certain system. On the same basis, find out the correct answer out of the four alternatives. If 34 = 39304, 27 = 19683, then 13 = ?
Option 1: 2197
Option 2: 10648
Option 3: 56743
Option 4: 17576
Correct Answer: 2197
Solution : Given: 34 = 39304 and 27 = 19683
Like, 34 = 39304→343 = 39304 And, 27 = 19683→273 = 19683 Similarly, follow the same pattern for 13 = ?→133 = 2197
So, 2197 is the required answer. Hence, the first option is
Question : Directions: The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown in the following figures. How would this paper look when unfolded?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the given folded paper is unfolded, it will look like this –
Hence, the fourth option is correct.
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.
_________ minds see new angles to everyday things.
Option 1: Dull
Option 2: Creative
Option 3: Difficult
Option 4: Realistic
Correct Answer: Creative
Solution : The correct choice is the second option.
Creative minds can think imaginatively, come up with innovative ideas, and see things in unique ways. Creative individuals approach problems with fresh perspectives and are open to new angles.
The meanings of the other options are as follows:
Question : Directions: In the following question, one or two statements are given followed by two conclusions I and II. You have to consider the 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, can be drawn from the given statement. Indicate your answer. Statements: 1. Authors are learned people. 2. Some doctors are authors. Conclusions: I. Some doctors are learned people. II. Some learned people are doctors.
Option 1: Both I and II follow
Option 2: Neither I nor II follows
Option 3: Only I follows
Option 4: Only II follows
Correct Answer: Both I and II follow
Solution : According to the given statement – Conclusion (I): Some doctors are learned people – Based on the given statements, some doctors are authors, and authors are learned people. Therefore, from this, it can be concluded that some doctors can be learned
Question : ‘Matters of Discretion’ is an autobiography of which former Prime Minister of India?
Option 1: P. V. Narasimha Rao
Option 2: Inder Kumar Gujral
Option 3: Manmohan Singh
Option 4: Atal Bihari Vajpayee
Correct Answer: Inder Kumar Gujral
Solution : The correct answer is Inder Kumar Gujral.
"Matters of Discretion" is an autobiography written by Inder Kumar Gujral, who served as the 12th Prime Minister of India from April 1997 to March 1998. Gujral's book provides insights into his political career, experiences, and
Question : Select the most appropriate ANTONYM of the given word. Rejoinder
Option 1: Expedite
Option 2: Reply
Option 3: Ordinary
Option 4: Request
Correct Answer: Request
Solution : The correct choice is the fourth option.
The antonym of rejoinder is request. A rejoinder is a response or reply, while a request is asking for something. The meanings of the other options are as follows:
Question : If $a + b = 10$ and $ab = 9$, then the value of $a - b$ is:
Option 1: 7
Option 2: 5
Option 3: 8
Option 4: 6
Correct Answer: 8
Solution : Given: $a + b = 10$ and $ab = 9$ We know that, $(a-b)^2=(a+b)^2-4ab$ Putting the value, we get: ⇒ $(a-b)^2=10^2-4\times9$ ⇒ $(a-b)^2=100-36$ ⇒ $(a-b)^2=64$ $\therefore(a-b)=8$ Hence, the correct answer is 8.
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2 and 3 which may improve the sentence. Choose the correct alternative in case no improvement is needed your answer is 4.
We were not used to get up early.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The correct option is the first option.
Explanation:
The modal verb "used to" is typically followed by the gerund (the -ing form of a verb) when expressing a past habit or action. So, "used to getting up early" means that in the past, the speaker
Question : Who among the following Moroccan travellers came to India during the reign of Muhammad bin Tughluq?
Option 1: Abd-al-Razzaq
Option 2: al-Masudi
Option 3: Sulaiman al-Tajir
Option 4: Ibn Battuta
Correct Answer: Ibn Battuta
Solution : The correct answer is Ibn Battuta.
The Moroccan scholar Ibn Battuta was born in 1304. Ibn Battuta travelled over the Afghan mountains to reach India in 1334, at the height of the Tughlaq dynasty, which was ruled by Muhammad bin Tughluq. Ibn Battuta
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