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Latest TNPSC Assistant Statistical Investigator Exam Question (Objective Questions), MCQ in English

Subjects : Assistant Statistical Investigator

Question Bank TNPSC Assistant Statistical Investigator (Paper-2) Exam - English
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Assistant Statistical Investigator

Question 1Single Answer
The elements of the set {x : x is an integer, x2 : 4} can be represent as .....Z..... . Here, Z refers to
  1. A
    {–2, 2} 
  2. B
    {–1, 0, 1}
  3. C
    {–2, –1, 0, 1, 2}
  4. D
    {0, 1, 2}
Question 2Single Answer
 
  1. A
  2. B
  3. C
  4. D
    None of these
Question 3Single Answer
If Y = {x : x is a positive factor of the number 2p – 1(2p – 1), where 2p – 1 is a prime number}, then Y can be represent in roster form as
  1. A
    {2}
  2. B
    {1, 2}  
  3. C
    {1, 2, 22, ....., 2p – 1}
  4. D
    {1, 2, 22, 23,.... 2p – 1, (2p – 1)}
Question 4Single Answer
The set {x : x is a positive integer less than 6 and 3x – 1 is an even number} in roster form is
  1. A
    {1, 2, 3, 4, 5}
  2. B
    {1, 2, 3, 4, 5, 6}  
  3. C
    {2, 4, 6}
  4. D
    {1, 3, 5}
Question 5Single Answer
If A B and A B, then
  1. A
    A is called a proper subset of B
  2. B
    A is called a super set of B
  3. C
    A is not a subset of B 
  4. D
    B is a subset of A
Question 6Single Answer
The number of non-empty subsets of the set{1, 2, 3, 4} is
  1. A
    15
  2. B
    14
  3. C
    16
  4. D
    17
Question 7Single Answer
The number of elements of the power set of a set containing m elements is
  1. A
    2m – 1
  2. B
    m 
  3. C
    m2
  4. D
    2m
Question 8Single Answer
If A = {x : x = n2, n = 1, 2, 3}, then number of proper subsets is
  1. A
    3
  2. B
    8
  3. C
    7
  4. D
    None of these
Question 9Single Answer
If A = {x : x = 4n + 1, 2 £ n £ 5},then number of subsets of A is
  1. A
    16
  2. B
    15  
  3. C
    4 
  4. D
    None of these 
Question 10Single Answer
Let A and B be two non-empty subsets of a set X such that A is not a subset of B, then
  1. A
    A is always a subset of the complement of B
  2. B
    B is always a subset of A  
  3. C
    A and B are always disjoint
  4. D
    A and the complement of B are always non-disjoint  
Question 11Single Answer
Which of the following is/are empty set? 
A = {x : x2 + x + 1 = 0 and x Î Z}   B = {x : x is a prime number and 19 < x < 23}
  1. A
    A
  2. B
    B  
  3. C
    Both A and B
  4. D
    None of the above 
Question 12Single Answer
The set {x : x4 = 1 and x R} is .....X.... set. Here, X refers to
  1. A
    empty
  2. B
    finite
  3. C
    infinite
  4. D
    singleton 
Question 13Single Answer
The universal set for the sets   
A = {x : x2 – 5x + 6 = 0} and   
B = {x : x2 – 3x + 2 = 0} having least number of elements is
  1. A
    {1, 2}
  2. B
    {1, 3}
  3. C
    {1, 2, 3}
  4. D
    {0, 1, 2, 3}
Question 14Single Answer
If A = {1, 2, 3}, B = {x € R : x2 – 2x + 1 = 0}, 
C = {1, 2, 2, 3} and 
D = {x € R : x3 – 6x2 + 11x – 6 = 0}, then the equal sets are
  1. A
    A and B
  2. B
    A and C  
  3. C
    A, B and C 
  4. D
    A, C and D
Question 15Single Answer
If A = (–3, 5) and  B = [–7, 9], then
  1. A
    A = B
  2. B
    A B 
  3. C
    B A
  4. D
    None of these 
Question 16Single Answer
Two finite sets have m and n elements, respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. The value of m and n respectively are
  1. A
    7, 6
  2. B
    5, 1
  3. C
    6, 3
  4. D
    8, 7
Question 17Single Answer
Combine terms: 12a + 26b  - 4b – 16a .
  1. A
    4a + 22b
  2. B
    -28a + 30b
  3. C
    -4a + 22b
  4. D
    28a + 30b
Question 18Single Answer
The average of first 50 natural numbers is ………… .
  1. A
    25.30
  2. B
    25.5
  3. C
    25.00
  4. D
    12.25
Question 19Single Answer
60 Times of 8 Equals to
  1. A
    480
  2. B
    300
  3. C
    250
  4. D
    400
Question 20Single Answer
Consider the sets
A = {x : x is a real number and x2 + 1 = 0}
B = {x : x is a real number and x2 – 16 = 0}
C = {x : x is a real number and x2 = x + 2}
Which of the following is are null set ?
  1. A
    A
  2. B
    A and B
  3. C
    A and C
  4. D
    A, B and C
Question 21Single Answer
What is the primary purpose of agriculture?
  1. A
    To produce energy
  2. B
    To cultivate crops and rear animals for food, fiber, and other products
  3. C
    To develop urban areas
  4. D
    To promote tourism
Question 22Single Answer
Which of the following is a major component of agriculture?
  1. A
    Manufacturing
  2. B
    Information technology
  3. C
    Horticulture
  4. D
    Real estate
Question 23Single Answer
Agriculture is often referred to as the backbone of which economy?
  1. A
    Industrial economy
  2. B
    Service economy
  3. C
    Rural economy
  4. D
    Urban economy
Question 24Single Answer
What is subsistence farming?
  1. A
    Farming for commercial purposes
  2. B
    Farming primarily for household consumption
  3. C
    Farming using advanced technology
  4. D
    Farming with a focus on exports
Question 25Single Answer
Which of the following is NOT a type of agriculture?
  1. A
    Organic farming
  2. B
    Aquaculture
  3. C
    Non-agricultural farming
  4. D
    Precision farming
Question 26Single Answer
When did agriculture first begin?
  1. A
    Around 1000 BC
  2. B
    Around 10,000 BC
  3. C
    During the Industrial Revolution
  4. D
    In the 18th century
Question 27Single Answer
What is the significance of the Agricultural Revolution?
  1. A
    It marked the shift from hunting-gathering to settled farming
  2. B
    It led to the rise of industrialization
  3. C
    It resulted in urbanization
  4. D
    It caused a decline in population
Question 28Single Answer
Which civilization is known for its early agricultural practices?
  1. A
    Roman
  2. B
    Mesopotamian
  3. C
    Byzantine
  4. D
    Viking
Question 29Single Answer
Which crop was first domesticated in the Americas?
  1. A
    Rice
  2. B
    Wheat
  3. C
    Maize (corn)
  4. D
    Barley
Question 30Single Answer
What impact did the Green Revolution have on agriculture?
  1. A
    Decreased crop yields
  2. B
    Increased food production and introduction of high-yielding varieties
  3. C
    Elimination of traditional farming practices
  4. D
    Reduced use of technology
Question 31Single Answer
Which was the first Five Year Plan of India?
  1. A
    1947-1952
  2. B
    1951-1956
  3. C
    1956-1961
  4. D
    1961-1966
Question 32Single Answer
The objective of the First Five Year Plan was mainly to:
  1. A
    Industrialize India
  2. B
    Increase agricultural production
  3. C
    Focus on infrastructure development
  4. D
    Expand the services sector
Question 33Single Answer
Which sector was given priority during the Second Five Year Plan?
  1. A
    Agriculture
  2. B
    Heavy industries
  3. C
    Education
  4. D
    Infrastructure
Question 34Single Answer
The First Five Year Plan was based on the model of which country?
  1. A
    USA
  2. B
    Soviet Union
  3. C
    United Kingdom
  4. D
    Japan
Question 35Single Answer
When was the Third Five Year Plan of India launched?
  1. A
    1961
  2. B
    1966
  3. C
    1971
  4. D
    1980
Question 36Single Answer
Which of the following was the main focus of the Third Five Year Plan?
  1. A
    Expansion of agriculture
  2. B
    Economic stability
  3. C
    Industrial growth and self-reliance
  4. D
    Reducing poverty
Question 37Single Answer
The concept of "Green Revolution" was introduced during which Five Year Plan?
  1. A
    First Five Year Plan
  2. B
    Second Five Year Plan
  3. C
    Third Five Year Plan
  4. D
    Fourth Five Year Plan
Question 38Single Answer
The Fourth Five Year Plan emphasized on:
  1. A
    Education and health
  2. B
    Self-sufficiency in food production
  3. C
    Defense and heavy industries
  4. D
    Social justice
Question 39Single Answer
Which Five Year Plan is known as the "Plan Holiday"?
  1. A
    Fourth Five Year Plan
  2. B
    Fifth Five Year Plan
  3. C
    Sixth Five Year Plan
  4. D
    Third Five Year Plan
Question 40Single Answer
When did the Fifth Five Year Plan of India start?
  1. A
    1965
  2. B
    1974
  3. C
    1980
  4. D
    1975
Question 41Single Answer
What is the primary focus of microeconomics?
  1. A
    National income
  2. B
    Individual units and markets
  3. C
    Government policies
  4. D
    Economic growth
Question 42Single Answer
Who is considered the father of economics?
  1. A
    Adam Smith
  2. B
    Alfred Marshall
  3. C
    Lionel Robbins
  4. D
    John Maynard Keynes
Question 43Single Answer
Microeconomics is concerned with which of the following?
  1. A
    Aggregate demand and supply
  2. B
    Behavior of individual consumers and firms
  3. C
    Monetary policies
  4. D
    Fiscal policies
Question 44Single Answer
Which of the following is an example of a microeconomic issue?
  1. A
    Inflation rates
  2. B
    Consumer preferences for a product
  3. C
    Unemployment rate
  4. D
    National income accounting
Question 45Single Answer
Which of the following best defines microeconomics?
  1. A
    Study of the overall economy
  2. B
    Study of individual and business decisions
  3. C
    Study of economic development
  4. D
    Study of international trade
Question 46Single Answer
What does the term "economics" originally mean?
  1. A
    Study of wealth
  2. B
    Management of the household
  3. C
    Study of markets
  4. D
    Analysis of resources
Question 47Single Answer
The scope of microeconomics includes all the following except:
  1. A
    Theory of demand
  2. B
    Theory of production
  3. C
    National income determination
  4. D
    Market structure analysis
Question 48Single Answer
Which of the following is a normative statement?
  1. A
    The unemployment rate is 5%.
  2. B
    The government should reduce taxes to increase consumer spending.
  3. C
    There is a decrease in production.
  4. D
    The inflation rate has risen to 3%.
Question 49Single Answer
What does positive economics deal with?
  1. A
    Value judgments
  2. B
    Statements of facts
  3. C
    Economic predictions
  4. D
    Policy recommendations
Question 50Single Answer
Economics as a science is primarily based on:
  1. A
    Opinions
  2. B
    Experiments
  3. C
    Observations and deductions
  4. D
    Assumptions and beliefs
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