Staff Selection Commission Sub Inspector Exam
Question : Which part of the human body is affected by the Alzheimer's disease?
Option 1: Heart
Option 2: Kidney
Option 3: Immune System
Option 4: Brain
Correct Answer: Brain
Solution : The correct option is Brain.
Alzheimer's disease is a brain ailment that gradually impairs thinking and memory abilities, as well as the capacity to do even the most basic tasks. The entorhinal cortex and hippocampus, as well as other memory-related brain regions, are initially
Question : The number of paving stones each measuring 2.5 m × 2 m required to pave a rectangular courtyard 30 m long and 17.5 m wide is:
Option 1: 80
Option 2: 33
Option 3: 99
Option 4: 105
Correct Answer: 105
Solution : The area of the rectangular courtyard = 30 m × 17.5 m = 525 m2 The area of each paving stone = 2.5 m × 2 m = 5 m2 The number of paving stones required = $\frac{525}{5}$ = 105 Hence, the correct
Question : Fill in the blank with the most appropriate word.
_____Sunny, two others have qualified for the final round of the quiz.
Option 1: Besides
Option 2: Between
Option 3: Apart
Option 4: Along
Correct Answer: Besides
Solution : The correct answer is the first option.
Explanation: The word besides functions as a preposition and a conjunction, linking the information about Sunny and the two others who qualified for the final round of the quiz. The conjunction besides is used to indicate an additional
Question : Who among the following was the successor of Muhammad bin Tughluq to the throne?
Option 1: Nasir-ud-Din Mahmud Shah Tughluq
Option 2: Firuz Shah Tughlaq
Option 3: Abu Bakr Shah Tughlaq
Option 4: Ghiyath-al-din Tughluq Shah II
Correct Answer: Firuz Shah Tughlaq
Solution : The correct answer is Firuz Shah Tughlaq.
Firuz Shah Tughlaq was the successor of Muhammad bin Tughluq. He ruled over the Sultanate of Delhi from 1351 to 1388. He began the policy of giving hereditary land grants. Military appointments became hereditary as
Question : Comprehension:
Read the given passage carefully and answer the questions that follow. Mountains occupy about a quarter of the Earth’s land, harbour most of its biodiversity hotspots, and supply fresh water to an estimated half of humanity. Present on every continent, mountains include a multitude of ecosystems holding many unique species, such as snow leopards and mountain gorillas. They are also home to great cultural diversity among people who have adapted to the challenges of mountain life. Their special traditions and breath-taking scenery attract ever-growing numbers of tourists. Mountain regions are particularly sensitive to degradation from both human pressures and climate change. Steep slopes mean the clearing of forest for farming, settlements, or infrastructure, which can cause serious soil erosion as well as the loss of habitat. Erosion and pollution harm the quality of the water flowing downstream. Climate change threatens the quantity and timing of water supplies to farms, cities, industry and power stations. Fast-rising temperatures are forcing mountain species, ecosystems and the people that depend on them to adapt or migrate.
Question:
Which of the following represents the structure of the passage?
Option 1: Chronological
Option 2: Definition
Option 3: Compare and contrast
Option 4: Cause-effect
Correct Answer: Cause-effect
Solution : The fourth option is the correct answer.
The structure of the passage is cause-and-effect because it outlines the impact of various factors on mountain regions, including human pressures and climate change. The passage describes the causes (human activities, climate change) and their effects on mountains,
Question : The least number of five digits which is exactly divisible by 9, 12, 15, 25 and 27 is:
Option 1: 10800
Option 2: 10250
Option 3: 10700
Option 4: 10600
Correct Answer: 10800
Solution : Given numbers: 9, 12, 15, 25, and 27 9 = 3 × 3 12 = 2 × 2 × 3 15 = 3 × 5 25 = 5 × 5 27 = 3 × 3 × 3 ⇒ LCM = 3 × 3 × 3
Question : In a circle, chords AB and CD intersect internally at E. If CD = 18 cm, DE = 5 cm, AE = 13 cm, then the length of BE is:
Option 1: 4 cm
Option 2: 7 cm
Option 3: 3 cm
Option 4: 5 cm
Correct Answer: 5 cm
Solution : Given: CD = 18 cm, DE = 5 cm, AE = 13 cm Now, CE = CD – DE = 18 – 5 = 13 cm Let the length of BE be $x$. According to the concept, $\Rightarrow AE\ \times BE\ =\ CE\ \times
Question : Select the most appropriate idiom for the underlined segment in the given sentence. The evidence put forward could not confirm his guilt.
Option 1: Bring up
Option 2: Break down
Option 3: Bear up
Option 4: Doesn't hold water
Correct Answer: Doesn't hold water
Solution : The fourth option is correct.
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 270, 241, 212, ?, 154, 125
Option 1: 198
Option 2: 186
Option 3: 183
Option 4: 192
Correct Answer: 183
Solution : Given: 270, 241, 212, ?, 154, 125
Subtract 29 from the previous number, to get the required missing number in the series – 270 – 29 = 241; 241 – 29 = 212; 212 – 29 = 183; 183 – 29 = 154; 154 –
Question : A can do a piece of work in 25 days, and B can do the same in 30 days. They work together for 5 days, how much of the work is left?
Option 1: $\frac{11}{30}$
Option 2: $\frac{15}{30}$
Option 3: $\frac{19}{30}$
Option 4: $\frac{12}{30}$
Correct Answer: $\frac{19}{30}$
Solution : Given: A can do a piece of work in 25 days. B can do the same work in 30 days. Total work = LCM of (25, 30) = 150 units Efficiency of A = $\frac{150}{25}=6$ units/day Efficiency of B = $\frac{150}{30}=5$ units/day Total work done
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