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Staff Selection Commission Sub Inspector Exam

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Question : What is $x$, if $x^{3}=1.5^{3}-0.9^{3}-2.43?$

Option 1: –0.5

Option 2: 0.6

Option 3: –0.7

Option 4: –1.6

Team Careers360 25th Jan, 2024

Correct Answer: 0.6


Solution : $x^3=1.5^3 - 0.9^3-2.43$
$⇒x^3=3.375-0.729-2.43$
$⇒x^3=0.216$
$⇒x^3=0.6^3$
$⇒x=0.6$
Hence, the correct answer is 0.6.

26 Views

Question : In alchemy, aqua fortis is the classical name of which chemical compound that is used chiefly in the manufacture of explosives and fertilisers, and in organic synthesis?

Option 1: Nitric acid

Option 2: Formic acid

Option 3: Chloric acid

Option 4: Hydrobromic acid

Team Careers360 24th Jan, 2024

Correct Answer: Nitric acid


Solution : The correct option is Nitric acid.

Aqua fortis, in the context of alchemy, typically refers to nitric acid. Nitric acid is a highly corrosive and strong mineral acid with the chemical formula HNO3. It is commonly used in the manufacture of

47 Views

Question : Comprehension:

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

The world is undergoing rapid changes in the knowledge landscape. With various dramatic scientific and technological advances, such as the rise of big data, machine learning, and artificial intelligence, many unskilled jobs worldwide may be taken over by machines, while the need for a skilled workforce, particularly involving mathematics, computer science, and data science, in conjunction with multidisciplinary abilities across the sciences, social sciences, and humanities, (1)________ increasingly in greater demand. With climate change, increasing pollution, and depleting natural resources, there will be a sizeable shift in how we (2)_______ the world's energy, water, food, and sanitation needs, again resulting in the need for new skilled labour, particularly in biology, chemistry, physics, agriculture, climate science, and social science. The growing (3)________ of epidemics and pandemics will also (4)_______ collaborative research in infectious disease management and development of vaccines, and the resultant social issues heighten the need for multidisciplinary learning. There will be a growing (5)__________ for humanities and art as India moves towards becoming a developed country as well as among the three largest economies in the world.

Question:

Select the most appropriate option to fill in the blank number 1.

Option 1: is

Option 2: are

Option 3: will be

Option 4: should be

Team Careers360 25th Jan, 2024

Correct Answer: will be


Solution : The third option is the correct choice.

The sentence discusses the future demand for a skilled workforce, particularly in fields like mathematics, computer science, and data science. The phrase, in conjunction with multidisciplinary abilities, suggests that these skills will be increasingly in demand in

42 Views

Question : Directions: In a certain code, DEPUTATION is written as ONTADEPUTI. How is DERIVATION written in that code?

Option 1: ONVADERITI

Option 2: ONDEVARITI

Option 3: ONVAEDIRTI

Option 4: ONVADEIRIT

Team Careers360 25th Jan, 2024

Correct Answer: ONVADERITI


Solution : Given:
DEPUTATION is written as ONTADEPUTI.

The pattern is as follows –

Thus, DEPUTATION is coded as ONTADEPUTI.
Similarly, follow the same pattern for DERIVATION –

Thus, DERIVATION is coded as ONVADERITI. Hence, the first option is correct.

21 Views

Question : Directions: Select the option that is related to the third word in the same way as the second word is related to the first word. (The words should be treated as meaningful words, and should not be related to each other based on the number of letters/consonants/vowels in the word.)
Whale : Mammal :: Crocodile : ?

Option 1: Rodent

Option 2: Amphibian

Option 3: Sea

Option 4: Reptile

Team Careers360 25th Jan, 2024

Correct Answer: Reptile


Solution : Given:
Whale : Mammal :: Crocodile : ?

The second term is the class or category for the first term –
Like, Whale : Mammal→A whale is a type of mammal. Mammals are the warm-blooded vertebrate animals of a class that is distinguished by the

16 Views

Question : Which of the following elements is a member of the actinoid series?

Option 1: Magnesium

Option 2: Lanthanum

Option 3: Lutetium

Option 4: Thorium

Team Careers360 24th Jan, 2024

Correct Answer: Thorium


Solution : The correct option is Thorium.

Thorium (Th) is a member of the actinide series. It is located just above uranium in the periodic table and is part of the actinide series due to its electronic configuration and properties associated with the filling of the

36 Views

Question : (320 + 342 + 530 + 915) ÷ (20 + 22 – x + 18) = 43, then the value of $x$ is:

Option 1: 15

Option 2: 11

Option 3: 26

Option 4: 23

Team Careers360 24th Jan, 2024

Correct Answer: 11


Solution : Given: $(320+342+530+915)÷(20+22-x+18)=43$
⇒ $\frac{(320+342+530+915)}{(20+22-x+18)}=43$
⇒ $\frac{2107}{(60-x)}=43$
⇒ $2107=2580-43x$
⇒ $-473=-43x$
⇒ $x=11$
Hence, the correct answer is 11.

8 Views

Question : In terms of area, India is the _____________ largest country of the World.

Option 1: second

Option 2: fourth

Option 3: sixth

Option 4: seventh

Team Careers360 24th Jan, 2024

Correct Answer: seventh


Solution : The correct answer is seventh.

In terms of area, India is the seventh largest country in the world. The total land area of India is 3,287,263 square kilometres. The largest country by land area is Russia, followed by Canada, the United States, China,

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