Staff Selection Commission Sub Inspector Exam
Question : A fruit vendor bought bananas at the rate of 5 for a rupee and sold them 4 for a rupee. The percentage gain or loss is:
Option 1: $12\frac{1}{2}$% gain
Option 2: $25$% loss
Option 3: $25$% gain
Option 4: $12\frac{1}{2}$% loss
Correct Answer: $25$% gain
Solution : Let the vendor buy 20 (LCM of 5 and 4) bananas. Here, CP is the cost price and SP is the selling price. CP of 5 bananas = Re. 1 $\therefore$ CP of 20 bananas = Rs. 4 and SP of 4 bananas =
Question : The value of the following expression $\frac{0.2×0.02×0.002×32}{0.4×0.04×0.004×16}$ is:
Option 1: 0.20
Option 2: 0.50
Option 3: 0.4
Option 4: 0.25
Correct Answer: 0.25
Solution : Given: $\frac{0.2×0.02×0.002×32}{0.4×0.04×0.004×16}$ = $\frac{\frac{2}{10}×\frac{2}{100} ×\frac{2}{1000}×32}{\frac{4}{10}×\frac{4}{100} ×\frac{4}{1000}×16}$ = $\frac{2×2×2×32×10×100×1000}{4×4×4×16×10×100×1000}$ = $\frac{1}{4}$ = 0.25 Hence, the correct answer is 0.25.
Question : Which of the following has similarity to Article 29(1) of the Universal Declaration of Human Rights which states “everyone has duties to the community in which alone the free and full development of his personality is possible”?
Option 1: Directive Principles
Option 2: Fundamental Rights
Option 3: Cooperative Societies
Option 4: Fundamental Duties
Correct Answer: Fundamental Duties
Solution : The correct answer is Fundamental Duties.
The Universal Declaration of Human Rights bears similarity to the Fundamental Duties. While Fundamental Duties are not legally enforceable, they serve as a guide for citizens to promote a sense of responsibility, and patriotism towards the nation. The
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error."
He was conferred to his bed with illness.
(1) with illness.
(2) to his bed
(3) No Error
(4) He was conferred
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The error is in the fourth option: He was conferred.
The word "conferred" means "to give someone a degree, award, or honor". It does not convey the meaning of "to keep someone in a place". It should be replaced by the word
Question : A dodo is a bird categorised under _____.
Option 1: Extinct
Option 2: Endangered
Option 3: Critically endangered
Option 4: Rare
Correct Answer: Extinct
Solution : The correct option is extinct
Around the late 17th century, the dodo bird became extinct. The dodo is commonly seen as a symbol of extinction and the impact of humans on the environment. The lack of natural predators in its island environment caused it to
Question : Directions: If A denotes +, B denotes ×, C denotes −, and D denotes ÷, then what will be the value of the following expression? 200 C 12 B 15 A 26 D 13 = ?
Option 1: 22
Option 2: 24
Option 3: 23
Option 4: 26
Correct Answer: 22
Solution : Given: 200 C 12 B 15 A 26 D 13 = ?
After replacing the letters with the mathematical signs, we get – 200 – 12 × 15 + 26 ÷ 13 = 200 – 12 × 15 + 2 = 200 – 180 +
Question : Directions: In the following question, the given sentence has four parts marked P, Q, R, and S. Choose the part of the sentence with the error and select it as your answer. If there is no error, select 'No Error (S)' as your answer.
Men who has risen (P) / by their own exertions (Q) / are always respected. (R) / No Error (S)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The error lies in the first part of the sentence.
There is an error in the form of the auxiliary verb in the sentence. The verb "has" should be replaced with "have" to convey the intended meaning that men who have achieved success through their
Question : Directions: Two different positions of the same dice are shown, the six faces of which are numbered from 1 to 6. Select the number that will be on the face opposite to the one showing 1.
Option 1: 5
Option 2: 4
Option 3: 6
Option 4: 3
Correct Answer: 3
Solution : We can observe that in these two positions of the dice, the 2 and 6 are common faces of the dice, and the rule says that when the two faces are common we can eliminate the two faces, and the rest of the faces in
Question : Directions: Select the figure that will replace the question mark (?) in the following figure series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : In the given figure series, the symbols at the corners shift their position in the clockwise direction, and also rotate by 90°, while the heart-shaped figure in the centre rotates by 90° clockwise. Therefore, the following figure will complete the given pattern –
Hence, the first
Question : Which one of the following is the smallest?
Option 1: $\sqrt{101}-\sqrt{99}$
Option 2: $\sqrt{201}-\sqrt{199}$
Option 3: $\sqrt{301}-\sqrt{299}$
Option 4: $\sqrt{401}-\sqrt{399}$
Correct Answer: $\sqrt{401}-\sqrt{399}$
Solution : The expressions given are differences in square roots of numbers that are 2 units apart. For such expressions, the difference decreases as the numbers increase. The function $f(x) = \sqrt{x}$ is concave up, meaning the rate of increase of $f(x)$ decreases as $x$ increases. Therefore,
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