Staff Selection Commission Sub Inspector Exam
Question : The average weight of 49 students is 53 kg. When a new student is admitted to the class, the average decreases by 500 g. Find the weight of the new student.
Option 1: 48 kg
Option 2: 18 kg
Option 3: 28 kg
Option 4: 38 kg
Correct Answer: 28 kg
Solution : Given, The average weight of 49 students is 53 kg. We know that Total = Average × Number of observations ⇒ Total weight of 49 students = 53 × 49 = 2597 Now, when a new student is admitted to the class, the average decreases by 500 g(0.5 kg). ⇒ New Average = 53 - 0.5 = 52.5 So, the Total weight of 50 students = 52.5 × 50 = 2625 kg Now, Weight of new student = 2625 - 2597 = 28 Kg Hence the correct answer is 28 kg.
Question : The famous Irwin Declaration on 31 October 1929 promised:
Option 1: total integration of princely states with the rest of India
Option 2: universal adult franchise in India
Option 3: independence of princely states
Option 4: a dominion status for India
Correct Answer: a dominion status for India
Solution : The correct answer is a dominion status for India.
Lord Irwin was the viceroy of India from 1926 to 1931. He declared on 31 October 1929 that the British wanted to grant dominion status to India. This famous declaration was also known as the Deepavali declaration at that time, although Irwin never promised to grant dominion status to India.
Question : Directions: For the Venn diagram given below, which of the following conclusions is true?
I. Some captains are painters. II. Some Lieutenants are painters. III. All majors are soldiers. IV. All captains are soldiers. V. All soldiers are painters.
Option 1: Only I and IV follow
Option 2: Only I, III, and IV follow
Option 3: Only II, IV, and V follow
Option 4: Only III and IV follow
Correct Answer: Only III and IV follow
Solution : Given:
Let's analyse the conclusions – Conclusion (I): Some captains are painters – From the given Venn diagram, it is evident that there is no direct relation between captains and painters. So, no definite relation can be drawn. Therefore, this conclusion does not follow. Conclusion (II): Some Lieutenants are painters – From the given Venn diagram, it is evident that there is no direct relation between lieutenants and painters. So, no definite relation can be drawn. Therefore, this conclusion does not follow. Conclusion (III): All Majors are Soldiers – From the given Venn diagram, it is evident that the circle that represents majors lies inside the circle that represents soldiers. From this, it can be concluded that all majors are soldiers. Thus, this conclusion follows. Conclusion (IV): All Captains are Soldiers – From the given Venn diagram, it is evident that the circle that represents captains lies inside the circle that represents soldiers. From this, it can be concluded that all captains are soldiers. Thus, this conclusion follows. Conclusion (V): All Soldiers are Painters – From the given Venn diagram, it is evident that some part of the circle that represents soldiers lies inside the circle that represents painters while some lie outside. From this, it can be concluded that some soldiers are painters. Thus, this conclusion does not follow.
So, only the conclusions III and IV follow. Hence, the fourth option is correct.
Question : Directions: Find the odd figure from the given alternatives.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Let's check the options – First option: In this figure, three lines are connected. Second option: In this figure, two lines are connected. Third option: In this figure, two lines are connected. Fourth option: In this figure, two lines are connected.
So, the figure in the first option is different from others as here three lines are connected. Hence, the first option is correct.
Question : All Souls day is _____ festival.
Option 1: Buddhism
Option 2: Jainism
Option 3: Christian
Option 4: Muslim
Correct Answer: Christian
Solution : The correct option is Christian.
Every year on November 2, Christians around the world mark All Souls' Day by attending prayers and lighting candles to lessen the suffering of those who have passed away without receiving salvation and whose souls are thought to be in purgatory.
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2) and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
She is a very eccentric woman.
(1) impatient
(2) generous
(3) unusual
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The correct choice is the fourth option.
Since the sentence is grammatically accurate and doesn't need any change, no improvement is required.
The sentence conveys the idea that the woman being described is unconventional, peculiar, or unusual in her behaviour, appearance, or way of thinking.
Question : Directions: Town Q is to the north of Town P. Town R is to the west of Town Q. Town S is to the north of Town R. Town T is to the east of Town S. What is the position of Town T with respect to Town R? (All positions are arranged in GRID pattern).
Option 1: East
Option 2: South
Option 3: Northeast
Option 4: Southeast
Correct Answer: Northeast
Solution : Firstly, we will draw the diagram as per the given instructions –
From the above diagram, the final point (T) is in the northeast direction from the point(R).
Hence, the third option is correct.
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
The world is undergoing rapid changes in the knowledge landscape. With various dramatic scientific and technological advances, such as the rise of big data, machine learning, and artificial intelligence, many unskilled jobs worldwide may be taken over by machines, while the need for a skilled workforce, particularly involving mathematics, computer science, and data science, in conjunction with multidisciplinary abilities across the sciences, social sciences, and humanities, (1)________ increasingly in greater demand. With climate change, increasing pollution, and depleting natural resources, there will be a sizeable shift in how we (2)_______ the world's energy, water, food, and sanitation needs, again resulting in the need for new skilled labour, particularly in biology, chemistry, physics, agriculture, climate science, and social science. The growing (3)________ of epidemics and pandemics will also (4)_______ collaborative research in infectious disease management and development of vaccines, and the resultant social issues heighten the need for multidisciplinary learning. There will be a growing (5)__________ for humanities and art as India moves towards becoming a developed country as well as among the three largest economies in the world.
Question:
Select the most appropriate option to fill in the blank number 5.
Option 1: command
Option 2: extort
Option 3: demand
Option 4: claim
Correct Answer: demand
Solution : The third option is the correct choice.
The context of the sentence discusses growing something for humanities and art. Demand fits well in this context, indicating an increasing need or desire for the humanities and art.
The meanings of the other options are as follows:
Therefore, the correct answer is demand.
Question : Directions: Which letter cluster will replace the question mark (?) to complete the given series? WGPR, UDLM, ?, QXDC, OUZX
Option 1: SAHH
Option 2: TBFG
Option 3: UCHF
Option 4: TAHG
Correct Answer: SAHH
Solution : Given: WGPR, UDLM, ?, QXDC, OUZX
In the above-given series, subtract the consecutive natural numbers (starting from 2) from the place values of the letters of the previous term to get the next term. WGPR→W – 2 = U; G – 3 = D; P – 4 = L; R – 5 = M UDLM→U – 2 = S; D – 3 = A; L – 4 = H; M – 5 = H SAHH→S – 2 = Q; A – 3 = X; H – 4 = D; H – 5 = C QXDC→Q – 2 = O; X – 3 = U; D – 4 = Z; C – 5 = X
So, SAHH is the missing term of the series. Hence, the first option is correct.
Question : The Prime Minister ‘Gati Shakti’ scheme was launched by the Government of India in 2021 for which type of infrastructure development from the following?
Option 1: Schools and education
Option 2: Hospitals
Option 3: Agricultural production
Option 4: Transport
Correct Answer: Transport
Solution : The correct option is Transport.
The Prime Minister Gati Shakti scheme, launched by the Government of India, focuses on holistic infrastructure development, integrating various sectors such as transportation, energy, water, and digital connectivity. It aims to enhance efficiency, reduce logistics costs, and promote sustainable development by fostering seamless connectivity and synergy among different infrastructure components, thereby boosting economic growth and improving the quality of life for citizens.
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