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Answer Keys for the post of Senior Investigator
Read : Andaman Poem : Answer Keys for the post of Senior Investigator
1. Which Union Ministry achieved a Guinness World Record for ‘largest display of Lambani items’?
(A) Ministry of MSME
(B) Ministry of Culture
(C) Ministry of External Affairs
(D) Ministry of Commerce and Industry
Answer: (B) Ministry of Culture
Answer Keys for the post of Senior Investigator
2. PBW RS1, which was seen in the news, is a new variety of which crop?
(A) Rice
(B) Wheat
(C) Cotton
(D) Sugarcane
Answer: (B) Wheat
Answer Keys for the post of Senior Investigator
3. Which Union Ministry launched the ‘Swachh Survekshan 2023 – Mera Shehar, Meri Pehchan’ survey?
(A) Ministry of Housing and Urban Affairs
(B) Ministry of Home Affairs
(C) Ministry of Jal Shakti
(D) Ministry of MSME
Answer: (A) Ministry of Housing and Urban Affairs
Answer Keys for the post of Senior Investigator
4. Using which type of waves, the composition of Mars’s core composition has been predicted by NASA?
(A) X Ray Waves
(B) Gama Ray Waves
(C) Neutrino Ray Waves
(D) Seismic Waves
Answer: (D) Seismic Waves
Answer Keys for the post of Senior Investigator
5. Which Indian Naval Ship has been decommissioned after 36 years of service?
(A) INS Magar
(B) INS Mahaan
(C) INS Vihaan
(D) INS Bhim
Answer: (A) INS Magar
6. Which country hosted the ‘Machines Can See 2023 Summit’?
(A) India
(B) USA
(C) Israel
(D) UAE
Answer: (D) UAE
7. Which institution introduced a comprehensive testing framework for IT systems of stock exchanges?
(A) RBI
(B) SEBI
(C) NITI Aayog
(D) NASSCOM
Answer: (B) SEBI
Answer Keys for the post of Senior Investigator
8. Which city introduced the ‘One Minute Traffic Light Plan’?
(A) Shimla
(B) Guwahati
(C) Kolkata
(D) Mumbai
Answer: (A) Shimla
9. Which country has banned domestic flights on short routes that can be covered by train?
(A) France
(B) USA
(C) UK
(D) Germany
Answer: (A) France
Answer Keys for the post of Senior Investigator
10. Which institution published the ‘Transportation of Dangerous Goods — Guidelines’?
(A) BIS
(B) FCI
(C) FSSAI
(D) Indian Railways
Answer: (A) BIS
Answer Keys for the post of Senior Investigator
11. Which city is the host of the first G20 Energy Transition Working Group Meeting?
(A) Hyderabad
(B) Bengaluru
(C) Chennai
(D) Amritsar
Answer: (B) Bengaluru
12. Which company has retained its spot as the top-selling car-maker in World for third straight year?
(A) Volkswagen
(B) Toyota
(C) Skoda
(D) Morris Garage
Answer: (B) Toyota
Answer Keys for the post of Senior Investigator
13. Federation Cup, World Cup, Allywyn International Trophy and Challenge Cup are awarded to winners of
(A) Tennis
(B) Volleyball
(C) Basketball
(D) Cricket
Answer: (B) Volleyball
Answer Keys for the post of Senior Investigator
14. Each year World Red Cross and Red Crescent Day is celebrated on
(A) May 8
(B) May 18
(C) June 8
(D) June 18
Answer: (A) May 8
Answer Keys for the post of Senior Investigator
15. Prime Minister inaugurated the ‘Kalam no Carnival’ Book Fair in which city?
(A) Mumbai
(B) Ahmedabad
(C) Varanasi
(D) Patna
Answer: (B) Ahmedabad
Answer Keys for the post of Senior Investigator
16. Which is the regulatory authority for civil aviation security in India?
(A) BCAS
(B) NITI Aayog
(C) DRDO
(D) ISRO
Answer: (A) BCAS
Answer Keys for the post of Senior Investigator
17. Which state secretariat that was inaugurated recently holds the name of Dr B R Ambedkar?
(A) Tamil Nadu
(B) Telangana
(C) Kerala
(D) Maharashtra
Answer: (B) Telangana
Answer Keys for the post of Senior Investigator
18. Ministry of Coal announced the initiation of which process for coal and lignite mines?
(A) Grievance Redressal
(B) Star Ratings
(C) Online Environmental Clearance
(D) Afforestation
Answer: (B) Star Ratings
Answer Keys for the post of Senior Investigator
19. Which team won the ‘Twenty20 World Cup title 2022’?
(A) England
(B) Australia
(C) India
(D) Pakistan
Answer: (A) England
20. Which organization manufactures the ‘Pinaka enhanced range rockets’?
(A) BEL
(B) DRDO
(C) HAL
(D) BDL
Answer: (B) DRDO
21. Given below are 5 parts of a sentence, you are required to make a meaningful sentence. The correct order of parts is the answer: A. Left / B. The / C. House / D. He / E. Suddenly
(A) ABCDE
(B) BACED
(C) DEABC
(D) EBCDA
Answer: (C) DEABC
Answer Keys for the post of Senior Investigator
22. In the following questions, find the correctly spelt word:
(A) Recommandation
(B) Recommendation
(C) Recomendations
(D) Reccomendation
Answer: (B) Recommendation
23. Find the word spelt correctly
(A) Treatmeant
(B) Bitterment
(C) Efficient
(D) Employble
Answer: (C) efficient
24. Bring out a meaningful sentence: Then
(A) it struck me
(B) of course
(C) suitable it was
(D) how eminently
(A) ABCD (B) BCDA (C) CBDA (D) ADCB
Answer : (D) ADCB
25. Meaning of “Cost an Arm and a Leg”
A) War hero
B) Very expensive
C) Scene in battle field
D) Very cheap
ANS: (B) Very expensive
26. In questions given below out of four alternatives, choose the one which can be substituted for the given word/sentence. “Extreme old age when a man behaves like a fool”
A) Imbecility
B) Senility
C) Dotage
D) Superannuation
Ans: (C) Dotage
Answer Keys for the post of Senior Investigator
27. In questions given below out of four alternatives, choose the one which can be substituted for the given word/sentence. “That which cannot be corrected”
A) Unintelligible
B) Indelible
C) Illegible
D) Incorrigible
Ans: (D) Incorrigible
28. Each sentence below has a blank and each blank indicates that something has been omitted. Choose the word that best fits in meaning of the sentence as a whole. Rajeev was upset because he____ forgotten his best friend’s birthday.
(A) have
(B) Will
(C) might
(D) had
ANS: (D) had
29. Each sentence below has a blank and each blank indicates that something has been omitted. Choose the word that best fits in meaning of the sentence as a whole. Jacob was a rich old man who lived____ alone in a huge house because his children did not care about him.
(A) Only
(B) All
(C) more
(D) too
ANS: (B) All
Answer Keys for the post of Senior Investigator
30. Select the most appropriate option to substitute the underlined segment in the given sentence. If no substitution is required, select No improvement. They didn’t see you, is it?
(A) wasn’t it
(B) did they
(C) no improvement
(D) have they
ANS: (B) did they
31. Which of the phrase (A), (B), (C) given below should replace the phrase given in the following sentence grammatically meaningful and correct? If the sentence is correct as it is and ‘No correction is required’, mark (D) as the answer. “They cooks up a story in order to get out of the situation”
(A) cooked in a story
(B) cooked up a story
(C) cooked up a stories
(D) No correction required
Ans: (B)cooked up a story
32. Choose the world which is most nearly the same in meaning of the word. “Desert”
(A) Displease
(B) Encourge
(C) Instigate
(D) Abandon
Ans: (D) Abandon
33. Choose the world which is most nearly the same in meaning of the word. “Exquisite”
(A) Expensive
(B) Delicate
(C) Elaborate
(D) Wonderful
Ans: (D) Wonderful
34. In each of the following sentence, an idiomatic expression or a proverb. Select the alternatives which best describes its use in the sentence. “The team put their plan into execution the very next day.”
(A) Proposed a plan
(B) Discussed their plan
(C) Started thinking about a plan
(D) Started carrying out their plan
ANS: (D)Started carrying out their plan
35. Which of the following sentences has the correct structure of question?
(A) Do you have got a car ?
(B) Have you got a car ?
(C) Did you have got a car ?
(D) Did you got a car ?
ANS: (B) Have you got a car ?
36. “When to the sessions of sweet silent thought” Which literary device is used in the above line?
(A) Alliteration
(B) Simile
(C) Personification
(D) Metaphor
ANS: (A) Alliteration
37. Find out the word which begins with different sound from other given words:
(A) Reach
(B) Reap
(C) Rich
(D) Read
ANS: (C) Rich
38. The passive voice form of the sentence’ Thieves broke into my house’ will be
(A) My house was broken into by thieves.
(B) Thieves were broken into my house.
(C) My house had been broken into by thieves. (
D) My house had been broken into by thieves .
ANS:(A) My house was broken into by thieves.
39. “Peace hath her victories No less renowned than war.” What is personified in these lines?
(A) Victories
(B) Renowned
(C) Peace
(D) Less
ANS: (C) Peace
40. Choose the word/group of words which is most opposite in meaning to given word “PLEASE”
(A) annoy
(B) wrong
(C) request
(D) satisfy
ANS: (A) annoy
41 Sampling Cases means:
(A) Sampling using a sampling frames.
(B) Identifying people who are suitable for research.
(C) Literally the researcher’s brief case.
(D) Sampling of people, newspapers, television programmes etc.
Answer: (D) Sampling of people, newspapers, television programmes etc.
Answer Keys for the post of Senior Investigator
42 The aggregate of all the units pertaining to a study is called:
(A) Population or universe.
(B) Unit.
(C) Sample.
(D) Frame.
Answer: (A) Population or universe.
43 _________refers to those elements from which samples are specifically chosen or selected for research.
(A) Finite population.
(B) Target population.
(C) Infinite population.
(D) Sampling population.
Answer: (B) Target population.
Answer Keys for the post of Senior Investigator
44 Probability sampling is also known as:
(A) Bi-variate Analysis.
(B) Uni-variate Analysis.
(C) Random Sampling.
(D) Multiple choices.
Answer: (B) Uni-variate Analysis.
45 Which of the following is not a probability sampling?
(A) Simple random sampling.
(B) Quota sampling.
(C) Stratified Sampling.
(D) Cluster sampling.
Answer: (B) Quota sampling.
Answer Keys for the post of Senior Investigator
46 Which of the following is not a non-probability sampling?
(A) Judgmental sampling.
(B) Convenience sampling.
(C) Extensive sampling.
(D) Cluster sampling.
Answer: (D) Cluster sampling.
47 A technique of Building up a list or a sample of a special population by using an initial set of members as informants is called:
(A) Quota sampling.
(B) Convenience Sampling.
(C) Snow ball Sampling.
(D) Purposive sampling.
Answer: (C) Snow ball Sampling.
48 Sampling based upon equal probability is called:
(A) Probability sampling.
(B) Quota sampling.
(C) Stratified sampling.
(D) Simple random sampling.
Answer: (D) Simple random sampling.
Answer Keys for the post of Senior Investigator
49 Population value is also known as:
(A) Parameter.
(B) Statistic.
(C) Variable.
(D) Data.
Answer: (A) Parameter
Answer Keys for the post of Senior Investigator
50. Sample value is also known as:
(A) Parameter.
(B) Statistic.
(C) Variable.
(D) Data.
Answer: (B) Statistic.
51. Capacity of flushing cistern is usually
(A) 1 Litre
(B) 5 Litre
(C) 12 to 15 Litre
(D) 20 to 25 Litre
Answer: (C) 12 to 15 Litre
Answer Keys for the post of Senior Investigator
52. For one cubic metre of sand, the member of 50 KG bags required would be
(A) 15
(B) 20
(C) 25
(D) 35
Answer: (C) 25
53. Which roofing material will give the least expected life?
(A) R.C.C.
(B) Jack arch with L.C. terracing
(C) Terraced roofing over stone flags
(D) Country wood in work
Answer: (B) Jack arch with L.C. terracing
Answer Keys for the post of Senior Investigator
54. Building wire for steel reinforcement is
(A) Measured in running metres
(B) Measured in kilograms
(C) Not measured but included in description
(D) Not measured and also not included in description
Answer: (B) Measured in kilograms
55. Detailed drawing is not necessarily required for which of the following estimate?
(A) Detailed estimate
(B) Revised estimate
(C) Supplementary estimate
(D) Rough cost estimate
Answer: (A) Detailed estimate
Answer Keys for the post of Senior Investigator
56. A dummy activity
(A) Does not require any resource nor any time
(B) Requires source as well as time
(C) Requires source but not any time
(D) Does not require any source but requires time
Answer: (C) Requires source but not any time
57 If the values taken by a random variable are negative, the negative values will have _________
(A) Positive probability
(B) Negative Probability
(C) May have negative or positive probabilities
(D) Insufficient data
Answer: (A) Positive probability
58. Which of the following is not a property of a probability density function?
(A) The PDF must be non-negative for all possible values of x.
(B) The integral of the PDF over all possible values of x must be equal to 1.
(C) The PDF can be used to calculate the probability that the random variable will take on a value between a and b.
(D) The PDF must be continuous for all possible values of x.
Answer: (D) The PDF must be continuous for all possible values of x.
59. The variable that assigns a real number value to an event in a sample space is called _________
(A) Random variable
(B) Defined variable
(C) Uncertain variable
(D) Static variable
Answer: (A) Random variable
60 A random variable that assumes a finite or a countably infinite number of values is called ___________
(A) Continuous random variable
(B) Discrete random variable
(C) Irregular random variable
(D) Uncertain random variable
Answer: (B) Discrete random variable
61 A random variable that assume a infinite or a uncountably infinite number of values is called ___________
(A) Continuous random variable
(B) Discrete random variable
(C) Irregular random variable
(D) Uncertain random variable
Answer: (A) Continuous random variable
62 The covariance of two independent random variables is ___________
(A) 1
(B) 0
(C) 3
(D) Undefined
Answer: (B) 0
63 The weight of persons in a state is a ___________
(A) Continuous random variable
(B) Discrete random variable
(C) Irregular random variable
(D) Not a random variable
Answer: (A) Continuous random variable
64 In random experiment, observations of random variable are classified as ___________
(A) Events
(B) Composition
(C) Trials
(D) Functions
Answer: (A) Events
65. If the values of two variables move in the same direction, ___________
(A) The correlation is said to be non-linear
(B) The correlation is said to be linear
(C) The correlation is said to be negative
(D) The correlation is said to be positive
Answer: (D) The correlation is said to be positive
66 If the values of two variables move in the opposite direction, ___________
(A) The correlation is said to be linear
(B) The correlation is said to be non-linear
(C) The correlation is said to be positive
(D) The correlation is said to be negative
Answer: (D) The correlation is said to be negative
67 Which of the following statements is true about the arithmetic mean of two regression coefficients?
(A) It is less than the correlation coefficient
(B) It is equal to the correlation coefficient
(C) It is greater than or equal to the correlation coefficient
(D) It is greater than the correlation coefficient
Answer: (D) It is greater than the correlation coefficient
68 The independent variable is also called: (A) Regressor
(B) Regressand (C) Predictand
(D) Estimated
Answer: (A) Regressor
69. Identify the other name of dependent variable.
(A) Regressor
(B) Regressand
(C) Continuous variable
(D) Independent
Answer: (B) Regressand
70. The straight line graph of the linear equation Y = a + bX, slope is horizontal if:
(A) b = 0
(B) b # 0
(C) b = 1
(D) a = b
Answer: (A) b = 0
71 The straight line graph of the linear equation Y = a + bX, slope will be downward If:
(A) b > 0
(B) b < 0
(C) b = 0
(D) b # 0
Answer: (B) b < 0
72. The straight line graph of the linear equation Y = a+ bX, slope will be upward if:
(A) b = 0
(B) b < 0
(C) b > 0
(D) b # 0
Answer: (C) b > 0
73. A ___________ is a sequence of observations over a certain period.
(A) Theano
(B) Scikit
(C) Time series
(D) Tensor
Answer: (C) Time Series
74. A time series has ______ components.
(A) 1
(B) 2
(C) 3
(D) 4
Answer: (D) 4
75. Noise is the error in the observations added due to environmental factors.
(A) Yes
(B) No
(C) Can be yes or no
(D) Can not say
Answer: (A) Yes
76. The best-fitted trend line is one for which sum of squares of residuals or errors is
(A) Positive
(B) Minimum
(C) Negative
(D) Maximum
Answer: (B) Minimum
77. In the theory of time series, shortage of certain consumer goods before the annual budget is due to
(A) Seasonal Variation
(B) Secular Trend
(C) Irregular Variations
(D) Cyclical Variation
Answer: (A) Seasonal Variation
78 A set of observations recorded at an equal interval of time is called
(A) Array data
(B) Data
(C) Geometric Series
(D) Time series data
Answer: (D) Time series data
79 A fire in a factory delaying production for some weeks is (A) Secular Trend
(B) Cyclical Trend
(C) Irregular Trend
(D) Seasonal Trend
Answer: (C) Irregular Trend
80. Index number was first constructed in:
(A) 1750
(B) 1760
(C) 1764
(D) 1770
Answer: (C) 1764
81 Most widely used weighted index is:
(A) Laspeyres Index
(B) Paasche’s Index
(C) Fisher’s ideal Index
(D) Marshall-Edgeworth Index
Answer: (A) Laspeyres Index
82 Circular test is satisfied by:
(A) Fisher’s ideal index
(B) Paasche’s index number
(C) Simple aggregative method
(D) Laspeyres Index
Answer: (C) Simple aggregative method
83 Consumer price index is equal to:
(A) Laspeyres price index
(B) Paasche’s price index
(C) Fisher’s ideal index
(D) Bowley’s price index
Answer: (A) Laspeyres price index
84 Circular test is an extension of:
(A) Time reversal test
(B) Factor reversal test
(C) Circular test
(D) Unit test
Answer: (A) Time reversal test
85 Index numbers are expressed in:
(A) Ratios
(B) Squares
(C) Percentages
(D) Combinations
Answer: (C) Percentages
86 Index for base period is always taken as:
(A) 100
(B) One
(C) 200
(D) Zero
Answer: (A) 100
87. If a data set is symmetrical, what does it mean?
(A) True distribution
(B) FALSE
(C) True skew
(D) True symmetry
Answer: (B) FALSE :
88 Which one of the following statements does not contain an assumption of the standard deviation measure?
(A) The data points in a data set are not necessarily equal values.
(B) The distribution is normal.
(C) The data points are not all positive or negative.
(D) None of these
Answer: (B) The distribution is normal.
89 What is the Central Limit Theorem?
(A) A statement about the distribution of scores in samples
(B) A statement about the mean of scores from random samples
(C) A statement about the distribution of scores from a normal population
(D) A statement about the distribution of scores for any sample
Answer: (D) A statement about the distribution of scores for any sample
90 Which measure of central tendency includes the magnitude of scores?
(A) Mean
(B) Mode
(C) Median
(D) Range
Answer: (A) Mean
91. Mode refers to the value within a series that occurs ________ number of times.
(A) Maximum
(B) Minimum
(C) Zero
(D) Infinite
Answer: (A) Maximum
92. _________ is not a measure of central tendency.
(A) Mode
(B) Mean
(C) Range
(D) Median
Answer: (C) Range
93 Percentiles divide a series into ______.
(A) Ten equal parts
(B) Twenty equal parts
(C) Fifty equal parts
(D) Hundred equal parts
Answer: (D) Hundred equal parts
94 If all the observations within a series are multiplied by five, then __________.
(A) The new standard deviation would be decreased by five
(B) The new standard deviation would be increased by five
(C) The new standard deviation would be half of the previous standard deviation
(D) The new standard deviation would be multiplied by five
Answer: (D) The new standard deviation would be multiplied by five
95 While calculating the standard deviation, the deviations are only taken from ________.
(A) The mode value of a series
(B) The median value of a series
(C) The quartile value of a series
(D) The mean value of a series
Answer: (d) The mean value of a series
96 ____________ and ____________ are types of measures of dispersion.
(A) Nominal, Real
(B) Nominal, Relative
(C) Real, Relative
(D) Absolute, Relative
Answer: (D) Absolute, Relative
97 The Lorenz curve was developed in 1905 by ________.
(A) Dr. Max O. Lorenz
(B) Dr. Max C. Lorenz
(C) Dr. Max M. Lorenz
(D) Dr. Max S. Lorenz
Answer: (A) Dr. Max O. Lorenz
98. The range represents _________.
(A) The lowest number
(B) The highest number
(C) The middle number
(D) The difference between the lowest and highest number
Answer: (A) The lowest number
99. What is the Arithmetic average of the Absolute Deviation of a series called?
(A) Coefficient of Mean Deviation
(B) Mean Deviation
(C) Quartile Deviation
(D) Standard Deviation
Answer: (B) Mean Deviation
100. Are the variations present in the unit of a variable represented by which dispersion method?
(A) Coefficient of Variation
(B) A relative measure of dispersion
(C) The absolute measure of dispersion
(D) Measure of dispersion
Answer: (C) The absolute measure of dispersion
