Staff Selection Commission Sub Inspector Exam
Question : Directions: Read the sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (4).
During India's struggle for (1) / freedom, many brilliant students (2) / gave up their studies by Bhagat Singh's call. (3) / No Error (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 3
Solution : The error lies in the third part of the sentence.
Here, there is a prepositional error, the preposition "by" should be replaced with the preposition "on". The preposition "by" is used to refer to the agent of action whereas the prepositional phrase "on the call"
Question : The radii of two circles are 5 cm and 3 cm. The distance between their centre is 24 cm. Then the length of the transverse common tangent is:
Option 1: $16$ cm
Option 2: $15\sqrt{2}$ cm
Option 3: $16\sqrt{2}$ cm
Option 4: $15$ cm
Correct Answer: $16\sqrt{2}$ cm
Solution : Given, $r_1$ = 5 cm and $r_2$ = 3 cm Distance between two circles, $d$ = 24 cm We know, the length of the transverse common tangent = $\sqrt{d^2-(r_1+r_2)^2}$ = $\sqrt{24^2-(5+3)^2}$ = $\sqrt{576-64}$ = $\sqrt{512}$ = $16\sqrt{2}$ cm Hence, the correct answer is $16\sqrt{2}$
Question : Engineers from which of the following countries have developed the world's fastest car, the Venom GT, with a top speed of 435 kilometres per hour?
Option 1: U.S.A
Option 2: South Korea
Option 3: Japan
Option 4: Germany
Correct Answer: U.S.A
Solution : The correct option is the U.S.A.
The fastest automobile in the world, with a peak speed of an astounding 435 kilometres per hour, was created by US experts. During a test drive at the Kennedy Space Center in Florida, the Venom GT from US company
Question : Directions: Two statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All drums are bells. All whistles are bells. Conclusions: I. Some drums are whistles. II. Some bells are drums. III. Some bells are whistles.
Option 1: Both conclusions II and III follow
Option 2: Conclusions I, II and III follow
Option 3: Both conclusions I and II follow
Option 4: Both conclusions I and III follow
Correct Answer: Both conclusions II and III follow
Solution : According to the given statements, the Venn diagram is –
Let's analyse the conclusions – Conclusion I: Some drums are whistles – According to the given Venn diagram, there is no direct relation between drums and whistles. Thus, this conclusion
Question : Select the most appropriate ANTONYM of the given word. Reprieve
Option 1: Turn out
Option 2: Torrential
Option 3: Cease
Option 4: Continuation
Correct Answer: Continuation
Solution : The correct choice will be the fourth option.
The most appropriate antonym for the word reprieve is continuation.
Reprieve: A reprieve is a temporary relief or delay from something unpleasant, such as a punishment or difficult situation.
Continuation: Continuation refers to the act of continuing
Question : Select the most appropriate meaning of the underlined idiom in the following sentence. A wise man remains aware of fair-weather friends.
Option 1: A person from an area of pleasant weather
Option 2: A person with good knowledge of weather
Option 3: A helpful person
Option 4: A person not reliable in difficult time
Correct Answer: A person not reliable in difficult time
Solution : The correct answer is the fourth option.
The idiom "fair-weather friends" refers to people who are supportive and friendly only during good or easy times but are not reliable or supportive during challenging times.
These individuals are like friends
Question : One can distinguish a telescope from a microscope by observing.
Option 1: length
Option 2: colour
Option 3: size of the glass
Option 4: length and size of the lens
Correct Answer: length and size of the lens
Solution : The correct option is the length and size of the lens.
Telescopes use objective lenses or mirrors to gather and focus light from distant objects. Microscopes use objective lenses to collect light from the specimen and produce a magnified
Question : Directions: If A denotes +, B denotes ×, C denotes −, and D denotes ÷, then what will be the value of the following expression? 25 C 21 D 7 B 3 A 4 = ?
Option 1: 20
Option 2: 21
Option 3: 24
Option 4: 43
Correct Answer: 20
Solution : Given: 25 C 21 D 7 B 3 A 4 = ?
After replacing the letters with the mathematical signs, we get – ⇒ 25 − 21 ÷ 7 × 3 + 4 ⇒ 25 − 3 × 3 + 4 ⇒ 25 − 9
Question : Directions: Which of the following letter clusters will replace the question mark (?) in the given series to make it logically complete? PTA, QUB, RVC, SWD, ?
Option 1: XET
Option 2: TEX
Option 3: XTE
Option 4: TXE
Correct Answer: TXE
Solution : Given: PTA, QUB, RVC, SWD, ?
In the above-given series, add 1 to the place value of each letter of the previous letter cluster to obtain the next letter cluster. PTA→P + 1 = Q; T + 1 = U; A + 1 = B
Question : ____________ is the thinnest layer of Earth.
Option 1: Mantle
Option 2: Outer core
Option 3: Crust
Option 4: Inner core
Correct Answer: Crust
Solution : The correct answer is Crust.
The Earth's interior is divided into three concentric layers: crust, mantle and core. The crust is composed of silicate solids; the mantle contains viscous molten rock; the outer core comprises viscous liquid; and the inner core is made up
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