Staff Selection Commission Sub Inspector Exam
Question : Which of the following statements is correct?
Option 1: The first Lok Sabha was constituted in 1952.
Option 2: The first Lok Sabha was constituted in 1947.
Option 3: The first Lok Sabha was constituted in 1950
Option 4: The first Lok Sabha was constituted in 1948
Correct Answer: The first Lok Sabha was constituted in 1952.
Solution : The correct option is The first Lok Sabha was constituted in 1952.
The first Lok Sabha, the lower house of India's Parliament, was constituted in 1952. The Indian National Congress, led by Jawaharlal Nehru, emerged as the majority
Question : Which of the following statements is correct according to plate tectonics?
Option 1: A tectonic plate is a massive, regularly shaped slab of solid rock.
Option 2: The theory of plate tectonics proposes that the earth’s lithosphere is divided into seven major and some minor plates.
Option 3: Plates move vertically over the asthenosphere as rigid units.
Option 4: A tectonic plate is composed of only continental lithosphere.
Correct Answer: The theory of plate tectonics proposes that the earth’s lithosphere is divided into seven major and some minor plates.
Solution : The correct answer is The theory of plate tectonics proposes that the Earth’s lithosphere is divided into seven major and some minor plates.
The theory of
Question : Directions: In a code language, GROUP is written as ETMWN, and PACTED is written as NCAVCF. How will LIONS be written in that language?
Option 1: JKMPQ
Option 2: JKNPR
Option 3: JKNOQ
Option 4: JGMPR
Correct Answer: JKMPQ
Solution : Given: GROUP is written as ETMWN and PACTED is written as NCAVCF.
Subtract and add 2 alternatively to the place value of each letter of GROUP and PACTED to get the required codes.
So, GROUP is written as ETMWN.
So, PACTED is written as NCAVCF.
Question : Malavikagnimitram, a drama of the 5th century CE, was written by ___________.
Option 1: Pingala
Option 2: Kalidasa
Option 3: Harisena
Option 4: Bhavabhuti
Correct Answer: Kalidasa
Solution : The correct option is Kalidasa.
The drama "Malavikagnimitram" was written by the ancient Indian playwright Kalidasa. He is considered one of the greatest poets and dramatists in Sanskrit literature, and "Malavikagnimitram" is one of his notable works. The play revolves around the love story
Question : Two trains A and B start running at 80 km/hr and 82 km/hr towards each other from two different stations. They meet after 1 hour and 30 minutes. How far were they from each other when they started?
Option 1: 190 km
Option 2: 262 km
Option 3: 243 km
Option 4: 224 km
Correct Answer: 243 km
Solution : Relative speed = 80 + 82 = 162 km/hr Time taken = 1 hr 30 minutes = $\frac{3}{2}$ hr $\therefore$ Distance = 162 × $\frac{3}{2}$ = 243 km Hence, the correct answer is 243 km.
Question : Study the graph and answer the question. The number of workers in the factory whose daily wages are INR 450 or more but less than INR 600 is___________.
Option 1: 148
Option 2: 170
Option 3: 190
Option 4: 180
Correct Answer: 180
Solution : The number of workers in the factory whose daily wages are INR 450 or more but less than INR 600 = 50 + 58 + 72 = 180 Hence, the correct answer is 180.
Question : The value of $[ \frac{(0.337+0.126)^{2}-(0.337-0.126)^{2}}{0.337\times 0.126} ]$ is:
Option 1: 4
Option 2: 0.211
Option 3: 0.463
Option 4: 0.4246
Correct Answer: 4
Solution : Consider, $[ \frac{(0.337+0.126)^{2}-(0.337-0.126)^{2}}{0.337\times 0.126}]$ We know, $a^2-b^2=(a-b)(a+b)$ Here, $a=\small(0.337+0.126)$ and $b=\small(0.337-0.126)$ $=\frac{((0.337+0.126)-(0.337-0.126))((0.337+0.126)+(0.337-0.126))}{0.337\times 0.126}$ $=\frac{(2\times0.126)(2\times0.337)}{0.337\times 0.126}$ $=2\times2$ $= 4$ Hence, the correct answer is 4.
Question : A set of equations involving the electric and magnetic fields, and their sources, charges and current strengths, they ____________ are known as the equation.
Option 1: Einstein
Option 2: Dawn
Option 3: Newton
Option 4: Maxwell
Correct Answer: Maxwell
Solution : The correct answer is Maxwell.
The set of equations involving the electric and magnetic fields and their sources, charges, and current strengths is known as Maxwell's equations. Maxwell's equations are a set of four fundamental equations that form the foundation of classical electromagnetism.
Question : Ferrous sulphate is used in water treatment as a/an:
Option 1: oxidising agent
Option 2: reducing agent
Option 3: coagulant agent
Option 4: adsorbent
Correct Answer: coagulant agent
Solution : The correct answer is the coagulant agent.
It's a common coagulant in water treatment. Ferrous sulphate is typically created as a byproduct of steel pickling, a process that uses iron oxides and sulphuric acid.
Question : Directions: From its nest, a bird flew 25 m towards the north-east. It then took a right turn and flew 7m. Again, it took a right turn and flew 75 m. In which direction is the bird now from its nest?
Option 1: North-East
Option 2: East
Option 3: South-West
Option 4: North-West
Correct Answer: South-West
Solution : Firstly, we will draw the diagram as per the given instructions –
So, the bird is facing in the South-West direction from its nest. Hence, the third option is correct.
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