Staff Selection Commission Sub Inspector Exam
Question : What is the digit in the unit's place in the number $\frac{15!}{100}$?
Option 1: 5
Option 2: 7
Option 3: 3
Option 4: 0
Correct Answer: 0
Solution : Number of trailing zeroes in $n$! = [$\frac{n}{5}$] + [$\frac{n}{25}$] + [$\frac{n}{125}$] + ....... where [ ] denotes greatest integer function. So, the number of trailing zeroes in 15! = [$\frac{15}{5}$] + [$\frac{15}{25}$] + [$\frac{15}{125}$] + ....... = 3 + 0 + 0 + .....
Question : Select the option that can be used as a one-word substitute for the given group of words.
The compulsion to tell lies
Option 1: Pyromania
Option 2: Nymphomania
Option 3: Megalomania
Option 4: Mythomania
Correct Answer: Mythomania
Solution : The fourth option is correct.
The one-word substitute for the given group of words the compulsion to tell lies is mythomania.
Mythomania is a term used to describe a psychological condition or personality disorder characterised by a strong or pathological tendency to tell lies
Question : Directions: Seema walks 30 m North. Then she turns right and walks 30 m then she turns right and walks 55 m. Then she turns left and walks 20 m. Then she again turns left and walks 25m. How many metres away is she from her original position?
Option 1: 45 m
Option 2: 50 m
Option 3: 66 m
Option 4: 55 m
Correct Answer: 50 m
Solution : Firstly, we will draw the diagram as per the given instructions – As per the given information, the movement of Seema will look as follows –
Here, A is the starting point and F is the endpoint. So, AF is the distance from the
Question : Directions: Select the correct mirror image of the given combination when the mirror is placed at PQ as shown below.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear close 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 PQ). So, the left side of the reflected image will appear
Question : Directions: Two positions of a DICE are shown. What number must be on the opposite face of 4?
Option 1: 2
Option 2: 3
Option 3: 4
Option 4: 5
Correct Answer: 2
Solution : According to the dice rule if two or three positions of the same dice are given with two common faces but in different orientations then out of those two common faces the faces that are not common are opposite to each other.
Therefore, the opposite
Question : Which of the following books is an autobiography of the former American President Bill Clinton?
Option 1: Becoming
Option 2: My Life
Option 3: Long Walk to Freedom
Option 4: My Country My Life
Correct Answer: My Life
Solution : The correct answer is My Life.
"My Life", a 2004 autobiography by former US President Bill Clinton, was released three years after he left office. In the book, Clinton shares his life story, starting from his childhood in Hope, Arkansas, to moving to
Question : Comprehension:
Read the given passage and answer the questions that follow. Fishing traps, baskets, cradles, bridges, rainproof hats and umbrellas, mats, musical instruments, and water pipes—Indians have always used bamboo in numerous ways. It is used for house construction, fencing, and the making of bullock carts. Low-cost domestic furniture and a vast range of domestic utility items made of bamboo can be easily seen in any of our bazaars. But we do not easily notice the countless little ways this modest material comes to be used by rural people. One can see it being used in the blacksmith’s bellows, as bamboo pins in carpentry joints, or in the fabrication of toys in village markets. But to the British foresters, the multidimensional role that “the forest weed” played in the local Indian environment was of no account, as it did not figure in forest revenues. Bamboo also interfered with the growth of teak, an essential part of their colonial forest policy. It was only in the 1920s that the British realised that by mincing bamboo into millimetre shreds, cooking it in chemicals, and pulping and flattening it, they could produce sheets of paper. This would bring the British increased forest revenue and ‘development’ (as defined by them) to the so-called backward regions of India. However, they chose to ignore the consequences this activity would have on the health of the forest. So while bamboo was sold at high prices to basket weavers, it was heavily subsidised for the paper industry. Even after Independence, supplying bamboo at extremely low prices to Indian paper mills became a ‘patriotic’ duty of the government, and bamboo supplies were assured for decades at unchanged prices. The disaster that this would cause to the forests and to the craftsperson still remained unforeseen. Colonialism affected forests all across India and marginalised their inhabitants and the traditional occupations they practised. As late as the 1970s, the World Bank proposed that 4,600 hectares of natural Sal forest should be replaced by tropical pine to provide pulp for the paper industry. It was only after protests by local environmentalists that the project was stopped. Colonialism was therefore not only about repression; it was also a story of displacement, impoverishment, and ecological crisis.
Question:
Which of these is NOT a step in the production of paper?
Option 1: Mincing
Option 2: Pulping
Option 3: Weaving
Option 4: Flattening
Correct Answer: Weaving
Solution : The correct choice is the third option.
Explanation: The step that is not involved in the production of paper is weaving. The process of weaving is not part of the paper production process, which typically includes steps such as mincing bamboo, pulping, and
Question : Find the third proportional to 16 and 20.
Option 1: 25
Option 2: 23
Option 3: 24
Option 4: 26
Correct Answer: 25
Solution : Third proportional to 16 and 20 = $\frac{20^2}{16}$ = $\frac{400}{16}$ = 25 Hence, the correct answer is 25.
Question : Comprehension: Read the given passage and answer the question that follows. We started our research into organisational and personal excellence by studying a slightly different topic. We figured that if we could learn why certain people were more effective than others, then we could learn exactly what they did, clone it and pass it on to others. We asked people to identify who they thought were their most effective colleagues. In fact, over the past twenty-five years, we have asked over twenty thousand people to identify the individuals in their organisations who could really get things done. We wanted to find those who were not just influential but who were far more influential than the rest. Question: Select the most suitable structure for the above passage.
Option 1: Chronological
Option 2: Cause and Effect
Option 3: Pragmatic
Option 4: Compare and contrast
Correct Answer: Pragmatic
Solution : The third option is the correct choice.
The passage follows a pragmatic structure as it outlines a practical approach or strategy for achieving a specific goal. In this case, the goal is to understand organisational and personal excellence.
The pragmatic approach involves studying individuals who
Question : In places, the groundwater is stored between layers of hard rock below the water table. This is known as a/an ______.
Option 1: pond
Option 2: lake
Option 3: well
Option 4: aquifer
Correct Answer: aquifer
Solution : The correct answer is an aquifer.
In some places, the groundwater is stored between layers of hard rock below the water table. This geological formation is known as an "aquifer." Aquifers act as natural reservoirs, holding and supplying water to wells and springs. They
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