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Staff Selection Commission Sub Inspector Exam

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Question : Which of the following was the first theory of superconductivity?

Option 1: Ginzburg-Landau theory

Option 2: London theory

Option 3: Resonating valence bond theory

Option 4: Quantum field theory

Team Careers360 19th Jan, 2024

Correct Answer: London theory


Solution : The correct answer is the London theory.

London theory was the first phenomenological explanation of superconductivity. It was proposed in 1935, not long after the brothers Fritz and Heinz London learned that superconductors emit magnetic fields. The Meissner effect, wherein a material exponentially

140 Views

Question : Find the greatest possible length (in metres) that can be used to exactly measure the lengths 6 m, 5 m 25 cm and 12 m 50 cm.

Option 1: 0.25 m

Option 2: 0.75 m

Option 3: 0.90 m

Option 4: 0.35 m

Team Careers360 24th Jan, 2024

Correct Answer: 0.25 m


Solution : To find the greatest possible length that can be used to exactly measure the lengths 6 m, 5 m 25 cm, and 12 m 50 cm.
6 m = 600 cm
5 m 25 cm = 525 cm
12 m 50 cm = 1250

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Question : Directions: From the given answer figures, select the one in which the question figure is hidden/embedded.

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 18th Jan, 2024

Correct Answer:


Solution : Because there is no restriction on the rotation of the figure, we will check all the possible angles where the question figure can fit itself in the given option figures.
By comparison of all the option figures, the given question figure is embedded only in the

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Question : Directions: A is the father of B, C is the daughter of B, D is the brother of B, and E is the son of A. What is the relationship between C and E?

Option 1: Brother and sister

Option 2: Cousins

Option 3: Niece and uncle

Option 4: Uncle and aunt

Team Careers360 17th Jan, 2024

Correct Answer: Niece and uncle


Solution : As per the given information, the family tree will be as follows –

Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.

So, from the above family tree, C is the niece of E and E

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Question : If $x:y=2:1$, then $(x^{2}-y^{2}) : (x^{2}+y^{2})$ is:

Option 1: 3 : 5

Option 2: 5 : 3

Option 3: 4 : 5

Option 4: 5 : 6

Team Careers360 25th Jan, 2024

Correct Answer: 3 : 5


Solution : $x : y = 2 : 1$
Let $x = 2k$ and $y = k$
So, $x^2 = 4k^2$ and $y^2 = k^2$
Now putting the value in the given equation, we get,
$(x^{2}-y^{2}) : (x^{2}+y^{2})$
$= (4k^2 - k^2) : (4k^2 +

15 Views

Question : Directions: If A denotes +, B denotes ×, C denotes −, and D denotes ÷, then what will be the value of the following expression?
67 C 45 A 12 D 6 B 2 = ?

Option 1: 23

Option 2: 22

Option 3: 26

Option 4: 24

Team Careers360 19th Jan, 2024

Correct Answer: 26


Solution : Given:
67 C 45 A 12 D 6 B 2 = ?

On replacing the letters with the mathematical signs, the equation becomes –
= 67 – 45 + 12 ÷ 6 × 2
= 67 – 45 + 2 × 2
= 67 –

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Question : Which of the following is not an operating system?

Option 1: Multi-user single-tasking

Option 2: Single-user single-tasking

Option 3: Single-user Multi-tasking

Option 4: Multi-user Multi-tasking

Team Careers360 15th Jan, 2024

Correct Answer: Multi-user single-tasking


Solution : The answer is Multi-user single-tasking.

Multi-user single-tasking is not commonly regarded as a complete operating system. It describes a computing environment where several users utilise the system simultaneously, but each user is limited to one job at a time. This kind of setting could

15 Views

Question : Select the INCORRECTLY spelt word.

Option 1: Fluorecence

Option 2: Forebear

Option 3: Forgo

Option 4: Flounder

Team Careers360 24th Jan, 2024

Correct Answer: Fluorecence


Solution : The correct choice is the first option.

The given word "fluorecence" is misspelt. It has a missing letter "s". The correct spelling is fluorescence, which refers to the emission of light by a substance that has absorbed light or other electromagnetic radiation.

The

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Question : Amylase enzyme can be found in ______.

Option 1: the stomach

Option 2: the liver

Option 3: the gall bladder

Option 4: saliva

Team Careers360 21st Jan, 2024

Correct Answer: saliva


Solution : The correct option is saliva.

Amylase enzymes can be found in saliva and pancreatic secretions in the human body. It plays a crucial role in digesting starches into simpler sugars like maltose, facilitating their absorption in the small intestine. Additionally, amylase is present in

139 Views

Question : Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution’.
I like to read books, but my brother prefers to watching movies.

Option 1: in watching

Option 2: to watch

Option 3: on watching

Option 4: No substitution

Team Careers360 23rd Jan, 2024

Correct Answer: to watch


Solution : The correct choice is the second option.

Explanation: The original sentence contains a grammatical error. When using prefer, it should be followed by the base form of the verb, not the "-ing" form. The correct construction is "prefers to

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