Staff Selection Commission Sub Inspector Exam
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
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.
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
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
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
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
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
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.
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
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
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
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
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. Rabindranath Tagore founded a small school at Santiniketan in 1901 and Kala Bhavan, an art school, in 1919, which (1)________ became a part of the Visvabharati University founded in 1921. Located in an (2)________ village some distance from the city of Calcutta, Kala Bhavan presented an alternative methodology of the art training in which studio-based practice was (3)________ in favour of learning through observation and living as a part of nature. The natural surroundings, with the (4)________ of bare red earth dotted with trees, the colours of the changing seasons, and the animals and birds (5)________ inspiration to students.
Select the most appropriate option to fill in the blank no. 4.
Option 1: vistas
Option 2: murk
Option 3: haze
Option 4: band
Correct Answer: vistas
Solution : The first option is the correct answer.
The term "vistas" refers to a pleasing view, often with scenic beauty. In the context of the passage, it conveys the idea that the natural surroundings of Kala Bhavan, including the open landscapes and changing scenery, served as
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
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.
Question : The company manufactures boxes of three types - plastic, wood and glass. The ratio of the numbers of plastic, wood and glass boxes is 2 : 3 : 5. The difference between the numbers of wood and glass boxes is 144. If the number of plastic boxes is increased by 25%, then what will be the number of plastic boxes now?
Option 1: 144
Option 2: 360
Option 3: 216
Option 4: 180
Correct Answer: 180
Solution : Let the number of plastic, wood, and glass boxes as P, W, and G respectively. Given that the ratio of P : W : G is 2 : 3 : 5. W = 1.5P and G = 2.5P We also know that the difference between
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
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,
The Question containing Inaapropriate or Abusive Words
Question lacks the basic details making it difficult to answer
Topic Tagged to the Question are not relevant to Question
Question drives traffic to external sites for promotional or commercial purposes
The Question is not relevant to User
And never miss an important update