Staff Selection Commission Sub Inspector Exam
Question : Directions: In the following Venn diagram, the Circle stands for Journalists, the Triangle stands for Females and the Rectangle stands for Urban residents. The given numbers represent the number of persons in that particular category. How many journalists are females but not urban residents?
Option 1: 9
Option 2: 13
Option 3: 25
Option 4: 18
Correct Answer: 18
Solution : In the diagram, the shaded parts represent the journalists who are females but not urban residents.
Thus, the number of journalists who are females but not urban residents is 18. Hence, the fourth option is correct.
Question : Select the most appropriate option to replace the underlined word in the given sentence. There is no reason for him to be angry.
Option 1: logic
Option 2: sanity
Option 3: lucidity
Option 4: argument
Correct Answer: logic
Solution : The correct option is the first option.
Explanation: Logic refers to sound reasoning or rationality. In this context, it implies that there is no logical justification for him to be angry.
The meanings of the other options are as follows:
Question : Comprehension: Read the given passage and answer the questions that follow.
Early written symbols were based on pictographs (pictures which resemble what they signify) and ideograms (symbols which represent ideas). Ancient Sumerian, Egyptian, and Chinese civilizations began to adapt such symbols to represent concepts, developing them into logographic writing systems. Pictographs are still in use as the main medium of written communication in some non-literate cultures in Africa, the Americas, and Oceania. Pictographs are often used as simple, pictorial, representational symbols by most contemporary cultures.
Pictographs can be considered an art form, or can be considered a written language and are designated as such in pre-Columbian art, Native American art, Ancient Mesopotamia and Painting in the Americas before colonisation. One example of many is the Rock art of the Chumash people, part of the Native American history of California.
An early modern example of the extensive use of pictographs may be seen in the map in the London suburban timetables of the London and North Eastern Railway, 1936-1947, designed by George Dow, in which a variety of pictographs was used to indicate facilities available near each station. Pictographs remain in common use today, serving as pictorial, representational signs, instructions, or statistical diagrams. Because of their graphical nature and fairly realistic style, they are widely used to indicate public toilets or places such as airports and train stations. Because they are a concise way to communicate a concept to people who speak many different languages, pictograms have also been used extensively at the Olympics since the 1964 Summer Olympics, and are redesigned for each set of games.
Pictographs can often transcend languages in that they can communicate to speakers of a number of tongues and language families equally effectively, even if the languages and cultures are completely different. This is why road signs and similar pictographic material are often applied as global standards expected to be understood by nearly all.
A standard set of pictographs was defined in the international standard ISO 7001: Public Information Symbols. Other common sets of pictographs are the laundry symbols used on clothing tags and the chemical hazard symbols as standardised by the GHS system. Pictograms have been popularised in use on the web and in software, better known as ‘icons’ displayed on a computer screen in order to help users navigate a computer system or mobile device.
Question: Pictographs are used in Olympic games because:
Option 1: they are the main medium of written communication
Option 2: they can transcend languages and convey information effectively
Option 3: they can help to navigate computer systems
Option 4: they can be redesigned for each set of games
Correct Answer: they can transcend languages and convey information effectively
Solution : The correct choice is the second option.
Explanation: As stated in the last line of the third passage, which is "Because they are a concise way to communicate a concept to people who speak many different
Question : Directions: Which of the option figures is the exact mirror image of the given problem figure when the mirror is held on the right side?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line AB). So, the left side of the reflected image will appear
Question : If $\frac{1}{x^{2}}+x^{2}$ represents the radius of circle $P$ and $\frac{1}{x}+x=17$, which of the following best approximates the circumference of circle $P$?
Option 1: $287\pi$
Option 2: $547\pi$
Option 3: $574\pi$
Option 4: $278\pi$
Correct Answer: $574\pi$
Solution : Given: $\frac{1}{x}+x=17$ Squaring both sides, we have, ⇒ $(\frac{1}{x}+x)^{2}=17^{2}$ ⇒ $\frac{1}{x^{2}}+x^{2}+2=289$ ⇒ $\frac{1}{x^{2}}+x^{2}=287$ Circumference of circle $P$ = $2\pi r$ = $2×\pi ×287$ = $574\pi $ Hence, the correct answer is $574\pi $.
Question : If $\frac{3x-1}{x}+\frac{5y-1}{y}+\frac{7z-1}{z}=0$, what is the value of $\frac{1}{x}+\frac{1}{y}+\frac{1}{z}?$
Option 1: –3
Option 2: 0
Option 3: 15
Option 4: 21
Correct Answer: 15
Solution : Given: $\frac{3x-1}{x}+\frac{5y-1}{y}+\frac{7z-1}{z}=0$ ⇒$3-\frac{1}{x}+5-\frac{1}{y}+7-\frac{1}{z}=0$ ⇒$\frac{1}{x} + \frac{1}{y}+\frac{1}{z}= 3+5+7=15$ Hence, the correct answer is 15.
Question : Directions: Select the correct option that indicates the arrangement of the following terms in a logical and meaningful order. 1. Answer writing 2. Answer book 3. Admit card 4. Question paper 5. Examination form
Option 1: 3–5–2–4–1
Option 2: 5–3–2–4–1
Option 3: 3–2–4–1–5
Option 4: 5–2–3–1–4
Correct Answer: 5–3–2–4–1
Solution : Given: 1. Answer writing 2. Answer book 3. Admit card 4. Question paper 5. Examination form
The stages for writing an exam are as follows – First, a student has to fill out the examination form, then after successfully submitting of exam form a student
Question : Directions: If + means ÷, – means +, × means – and ÷ means ×, then what will come in place of (?) in the given equation? 5 ÷ 2 – 20 + 5 × 2 = ?
Option 1: 12
Option 2: 15
Option 3: 20
Option 4: 10
Correct Answer: 12
Solution : Given + means ÷, – means +, × means – and ÷ means × 5 ÷ 2 – 20 + 5 × 2 = ?
After interchanging the symbols the equation becomes – = 5 × 2 + 20 ÷ 5 – 2 = 10
Question : Which of the following types of soil is best suited for cotton cultivation ?
Option 1: Black
Option 2: Red
Option 3: Laterite
Option 4: Mountain
Correct Answer: Black
Solution : The correct option is Black.
Because of its high nutrient content, good moisture retention, appropriate drainage, loamy texture, and favourable pH levels, black soil, also known as regur or black cotton soil, is an ideal soil type for cotton growth. These characteristics create an ideal
Question : Arrange the given ratios in descending order 15 : 7, 5 : 11, and 21 : 77.
Option 1: 21 : 77 > 5 : 11 > 15 : 7
Option 2: 15 : 7 > 5 : 11 > 21 : 77
Option 3: 15 : 7 > 21 : 77 > 5 : 11
Option 4: 5 : 11 > 15 : 7 > 21 : 77
Correct Answer: 15 : 7 > 5 : 11 > 21 : 77
Solution : Given: 15 : 7, 5 : 11, and 21 : 77 15 : 7 = $\frac{15}{7}$ = $\frac{165}{77}$ 5 : 11 = $\frac{5}{11}$ = $\frac{35}{77}$ 21 : 77 = $\frac{21}{77}$ $\therefore$ Arranging in descending order,
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