Staff Selection Commission Sub Inspector Exam
Question : The two parallel sides of a trapezium are 27 cm and 13 cm respectively. If the height of the trapezium is 8, then what is its area in m2?
Option 1: 0.032
Option 2: 0.056
Option 3: 0.016
Option 4: 0.32
Correct Answer: 0.016
Solution : Given: The two parallel sides of a trapezium are 27 cm and 13 cm respectively. Height = 8 cm $\therefore$ Area of the trapezium = $\frac{1}{2}\times$ sum of parallel sides × distance between parallel side = $\frac{1}{2}\times (27 + 13) \times 8$ = $\frac{1}{2}\times 40 \times 8$ = $160$ cm2 = $\frac{160}{10000}$ m2 = $0.016$ m2 Hence, the correct answer is 0.016.
Question : Asha and Suman's mud forts have 9 cm and 16 cm heights. If the fort tops are 25 cm apart from each other, then the distance (in cm) between the two forts is:
Option 1: 24
Option 2: 16
Option 3: 25
Option 4: 7
Correct Answer: 24
Solution : Let the distance the fort CD be $x$. (Hypotenuse)2 = (Base)2 + (Perpendicular)2 ⇒ 252 = (Base)2 + (16 – 9)2 ⇒ (Base)2 = 625 – 49 = 576 ⇒ Base = 24 cm So, the distance between the forts is 24 cm. Hence, the correct answer is 24.
Question : Select the most appropriate synonym of the given word. JUST
Option 1: courtly
Option 2: fair
Option 3: favouring
Option 4: partial
Correct Answer: fair
Solution : The correct choice is the second option.
Explanation: "Just" refers to fairness, impartiality, or being in accordance with what is morally right or lawful. Among the options provided, "fair" aligns most closely with this meaning. It signifies treating everyone equally and without bias, just like "just" does.
The meanings of the other options are as follows:
Courtly means polite, refined, or elegant in behaviour Favourite means something that is inclined towards or shows preference for. Partial means biased or showing favouritism.
Therefore, the correct answer is fair.
Question : Which of the following numbers is not a factor of $5^p7^q,(p\neq 0,q\neq 0)$?
Option 1: 35
Option 2: 175
Option 3: 1225
Option 4: 735
Correct Answer: 735
Solution : Checking the factors of all the options for divisibility by 5 and 7. 35 = 5 × 7 175 = 5 × 5 × 7 1225 = 5 × 5 × 7 × 7 735 = 5 × 7 × 7 × 3 735 has a factor of 3 other than 5 and 7. $\therefore$ 735 is not a factor of $5^p7^q$. Hence, the correct answer is 735.
Question : Directions: the following pie chart shows the export of automobiles from India to the 10 countries given below in 2014. The 10 countries imported 47.8% of the total exports of India. Observe the chart given below and answer the following question. The number of automobiles exported to the U.S.A. is equal to combined exports to which two countries?
Option 1: Sri Lanka and Turkey
Option 2: Sri Lanka and Bangladesh
Option 3: Mexico and UAE
Option 4: UK and Turkey
Correct Answer: UK and Turkey
Solution : According to given pie chart in question, Percentage of exports to the United States = 8.40% Percentage of exports to United Kingdom and Turkey = (4.4 + 4)% = 8.4% Hence, the correct answer is the UK and Turkey.
Question : Which company has been given the responsibility of construction, operation and maintenance of the Hazira-Vijaipur-Jagdishpur (HVJ) pipeline project?
Option 1: TATA Petrodyne Limited (TPL)
Option 2: Oil and Natural Gas Corporation (ONGC)
Option 3: Gas Authority of India (GAIL)
Option 4: Reliance Industries Limited (RIL)
Correct Answer: Gas Authority of India (GAIL)
Solution : The correct answer is the Gas Authority of India Limited (GAIL).
GAIL was given the responsibility of the construction, operation, and maintenance of the Hazira-Vijaipur-Jagdishpur (HVJ) pipeline project. It is India's first interstate gas pipeline.
The HVJ is a 1700 km long gas pipeline. It is significant for India since it connects Mumbai and Bassein to western and northern India.
Question : Directions: The sequence of folding a piece of paper and how the folded paper has been cut is shown below. Choose the figure that would most closely resemble the unfolded form of the paper.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the given folded paper is unfolded, it will look like this –
Hence, the third option is correct.
Question : How many Miniratna companies are there in Category II?
Option 1: 17
Option 2: 15
Option 3: 13
Option 4: 16
Correct Answer: 15
Solution : The correct option is 15
There are two categories for Indian miniratna companies: Category I and Category II. Companies eligible for II mini Ratna status must have a positive net worth and have generated profits for the past three years. There are 15 such businesses in total. Minivans falling under Category II are permitted to invest up to Rs. 300 crore or 50% of their net worth in capital projects without needing permission from the government.
Question : Directions: Ahmet’s house faces north. He came out of his house and walked straight for 40 m, turned left, and walked for 30 m. He then, turned right and walked for 35 m. Finally, he took another two successive right turns and covered 30 m and 25 m respectively, to reach his final destination. How far and in which direction is he from his house now?
Option 1: 25 m due south
Option 2: 50 m due north
Option 3: 15 m due north
Option 4: 25 m due east
Correct Answer: 50 m due north
Solution : First, we will draw the diagram, as per the given instructions –
Here, A is the starting point and F is the finishing point. AB = 40 m; CD = 35 m; EF = 25 m BF = CD – EF BF = 35 – 25 BF = 10 m Now, find the distance between his final position (F) and his house (A) – AF = AB + BF AF = 40 + 10 AF = 50 m
So, the distance between his final position and his house is 50 m, and he is in the north direction of his house. Hence, the second option is correct.
Question : One of the factors of the expression $4\sqrt{3}x^{2}+5x-2\sqrt{3}$ is:
Option 1: $4x+\sqrt{3}$
Option 2: $4x+3$
Option 3: $4x-3$
Option 4: $4x-\sqrt{3}$
Correct Answer: $4x-\sqrt{3}$
Solution : $4\sqrt{3}x^{2}+5x-2\sqrt{3}$ = $4\sqrt{3}x^{2}+8x-3x-2\sqrt{3}$ = $4x(\sqrt{3}x+2)-\sqrt{3}(\sqrt{3}x+2)$ = $(4x-\sqrt{3})(\sqrt{3}x+2)$ Hence, the correct answer is $4x-\sqrt{3}$.
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