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Answer Keys Senior Investigator-1 Andaman
Answer Keys for the Senior Investigator – Set 1 Exam held at Andaman & Nicobar Island 2024
GENERAL AWARENESS AND INTELLIGENCE
1
Fathometer is used to measure
(A)
Earthquakes
(B)
Rainfall
(C)
Ocean depth
(D)
Sound intensity
Answer: (C) Ocean depth
2
Who will inaugurate the 6th Asia Pacific Ministerial Conference?
(A)
Narendra Modi
(B)
Menaka Gandhi
(C)
Sushma Swaraj
(D)
Venkaiah Naidu
Answer: (D) Venkaiah Naidu
3
The most important small-scale industry in India is the
(A)
Textile Industry
(B)
Paper Industry
(C)
Handloom Industry
(D)
Jute industry
Answer: (C) Handloom Industry
4
Arrange the continents from largest to smallest?
A) Africa
B) Europe
C) North America
D) Asia
E) Australia
F) South America
G) Antarctica
(A)
D,A,C,F,G,B,E
(B)
A,C,B,F,E,D,G
(C)
D,B,F,C,G,A,E
(D)
E,A,C,D,G,F,B
Answer: (A) D,A,C,F,G,B,E
5
Which one of the following rivers is recharged by subsoil water?
(A)
Godavari
(B)
Damodar
(C)
Narmada
(D)
Krishna
Answer: (C) Narmada
Answer Keys for the Senior Investigator – Set 1
6
Which is a green planet in the solar system?
(A)
Pluto
(B)
Venus
(C)
Uranus
(D)
Mars
Answer: (C) Uranus
7
Exposure to sunlight helps a person improve his health because
(A)
the infrared light kills bacteria in the body
(B)
resistance power increases
(C)
the pigment cells in the skin get stimulated and produce a healthy tan
(D)
the ultraviolet rays convert skin oil into Vitamin D
Answer: D) the ultraviolet rays convert skin oil into Vitamin D
8
Who is known as ‘the father of Indian missile technology’?
(A)
Dr. U.R. Rao
(B)
Dr. A.P.J. Abdul Kalam
(C)
Dr. Chidambaram
(D)
Dr. Homi Bhabha
Answer: (B) Dr. A.P.J. Abdul Kalam
9
Which is considered as the biggest port of India?
(A)
Kolkata
(B)
Cochin
(C)
Chennai
(D)
Mumbai
Answer: (D) Mumbai
10
Fedaration cup,World cup, Allwyn international trophy and challenge cup are awarded to
winners of
(A)
Tennis
(B)
Volleyball
(C)
Basketball
(D)
Cricket
Answer: (B) Volleyball
11
In a code language, ‘shall we dance today’ is written as ‘ned bin tru pat’, ‘we sing and dance’
is written as ‘sid pat cam ned’, ‘sing a song together’ is written as ‘zig fah rip sid’. What is the
code for the word ‘and’ in this language?
(A)
pat
(B)
ned
(C)
cam
(D)
Sid
Answer: (C) cam
12
Virology : Virus : : Semantics : ?
(A)
Amoeba
(B)
Language
(C)
Nature
(D)
Society
Answer: (B) Language
13
MHZ, NIW, OKT, PNQ, ?
(A)
RRN
(B)
QRN
(C)
QRM
(D)
QQN
Answer: (B) QRN
14
Book : Publisher : : Film : ?
(A)
Producer
(B)
Director
(C)
Editor
(D)
Writer
Answer: (A) Producer
15
DHL, PTX, BFJ, ?
(A)
CGK
(B)
KOS
(C)
NRV
(D)
RVZ
Answer: (C) NRV
16
Which one set of letters when sequentially placed at the gaps in the given
letter series shall complete it?
l_b_ub_ubt_blu_tub
(A)
ubtlu
(B)
utlub
(C)
tulbu
(D)
butlu
Answer: (B) utlub
17
In a certain code, ‘253’ means ‘books are old’; ‘546’ means ‘man is old’ and
‘378’ means ‘buy good books.’ What stands for “are” in that code?
(A)
6
(B)
2
(C)
4
(D)
5
Answer: (B) 2
18
Which number is wrong in the given series?
12439, 23549, 34659, 45769
(A)
34659
(B)
23549
(C)
45769
(D)
1243
Answer: (A) 34659
19
Identify which one of the given alternatives will be another member of the
group of that class.
Lucknow, Patna, Bhopal, Jaipur, ?
(A)
Shimla
(B)
Mysore
(C)
Pune
(D)
Indore
Answer: (A) Shimla
20
Which number will complete the series?
6 , 8 , 17 , 19 , 28 , 30 , ?
(A)
32
(B)
37
(C)
38
(D)
39
Answer: (D) 39
GENERAL ENGLISH AND COMPREHENSION
21
When he
P: did not know
Q: he was nervous and
R: heard the hue and cry at midnight
S: what to do
The Proper sequence should be:
(A)
RQPS
(B)
QSPR
(C)
SQPR
(D)
PQRS
Answer: (A) RQPS
22
Put the jumbled words in the correct order to form a meaningful sentence.
timely / your / am / help / I / for / thankful / really
(A)
I am really thankful for your timely help.
(B)
Your timely help I am thankful for really.
(C)
Your help I am timely thankful for really.
(D)
For your timely help I am really thankful
Answer: (A) I am really thankful for your timely help.
23
Select the one which best expressed the same sentence in Passive/Active Voice and
mark your answer.
We waste much time on trifles.
(A)
Much time was wasted on trifles
(B)
Much time will be wasted on trifles
(C)
Much time is wasted by us on trifle’s.
(D)
Much time is wasted on trifles
Answer: (C) Much time is wasted by us on trifle’s.
24
Select the one which best expressed the same sentence in Passive/Active Voice and
mark your answer.
Our task had been completed before sunset.
(A)
We completed our task before sunset.
(B)
We have completed our task before sunset.
(C)
We complete our task before sunset.
(D)
We had completed our task before sunset.
Answer: (D) We had completed our task before sunset.
25
Somniloquist is one who –
(A)
Talks in sleep.
(B)
Walks in sleep.
(C)
Laughs in sleep.
(D)
Sings in sleep.
Answer: (A) Talks in sleep.
26
Plants of a particular region
(A)
Flora
(B)
Flinch
(C)
Fauna
(D)
Flotsam
Answer: (A) Flora
27.
Direct and Indirect Speech
He said, “My father is playing tennis with me.”
(A)
He said that his father was playing tennis with him.
(B)
That his father was playing tennis with him was said by him.
(C)
He said that his father is playing tennis with him.
(D)
He said that tennis was being played by his father.
Answer: (A) He said that his father was playing tennis with him.
28
Direct and Indirect Speech
She said, “I visited the University yesterday.”
(A)
She said she had visited the university the day before.
(B)
She said she visited the university that day
(C)
That she visited the university was said.
(D)
She said that she had visited the University the previous day.
Answer: (D) She said that she had visited the University the previous day.
29
Identify which of the following conjunctions can join both sentences such that the meaning of
the two statements would not change. If none of the conjunctions are (in)correct, mark your
answer.
Jogging a kilometre uses the same number of calories “as if you walk” two
kilometres.
(A)
as walking
(B)
than to walk
(C)
than by walking
(D)
as though you walk
Answer: (A) as walking’.
30
Identify which of the following conjunctions can join both sentences such that the meaning of
the two statements would not change. If none of the conjunctions are (in)correct, mark your
answer.
“Stocks worthy of” rupees one lakh were destroyed in the fire which occurred last
night.
(A)
Stocks worth
(B)
Stocks worth of
(C)
Stock worthy
(D)
Stock, off worth
Answer: (B) Stocks worth of
31.
Choose the correct order given and indicate your choice for the right answer.
P. against Hate member Khalid Saifi, arrested in connection with the northeast
Q. noting that they are not previous convicts nor gangsters
R. a Delhi court has dismissed a petition filed by authorities
S. Delhi riots last year, in fetters and handcuffs,
T. to produce former JNU student Umar Khalid and United
(A)
TQSPR
(B)
STQPR
(C)
PQRST
(D)
RTPSQ
Answer: (D)RTPSQ
32
Choose the correct order given and indicate your choice for the right answer.
P. in Canada of the remains of 215 Indigenous students
Q. Pope Francis expressed his pain over the discovery
R. pressed religious and political
S. authorities to shed light on this sad affair
T. of church-run boarding schools and
(A)
RSTPQ
(B)
QPTRS
(C)
PQRST
(D)
RTQPS
Answer: (B) QPTRS
33
Select the one that best expressed the same sentence with a missing preposition and mark
your answer out of the four alternatives suggested.
Pavan says that he aims winning at least a consolation prize.
(A)
to
(B)
at
(C)
on
(D)
for
Answer: (B) at
34.
Select the one that best expressed the same sentence with a missing preposition and mark
your answer out of the four alternatives suggested.
He is responsible the president for his decisions.
(A)
for
(B)
of
(C)
to
(D)
with
Answer: (C) to
Answer Keys for the Senior Investigator – Set 1
35
Choose the correct Words given and indicate your choice for the correct answer.
The organization aims ‘to providing with’ satellite-based data on climate-relevant
information with the highest possible levels of accuracy and reliability.
(A)
to provide with
(B)
at providing with
(C)
to provide
(D)
to the provision of
Answer: (C) to provide
36
Choose the correct Words given and indicate your choice for the correct answer.
Mobile phones are nowadays used not just to make calls or send and receive text messages
“but to also carry-on” financial transactions.
(A)
but also to carry on
(B)
but to carry out also
(C)
but also to carry out
(D)
and to carry out
Answer: (C) but also to carry out
37
Choose the correct Synonyms.
INEXPLICABLE
(A)
Confusing
(B)
Unaccountable
(C)
Chaotic
(D)
Unconnected
Answer: (B) Unaccountable
38
Choose the correct Synonyms.
Candid
(A)
Overconfident
(B)
Frank
(C)
Arrogant
(D)
Careless
Answer: (B) Frank
39
Choose the correct Antonyms.
“MASSIVE”
(A)
Lump sum
(B)
Strong
(C)
Little
(D)
Huge
Answer: (D) Huge
40
Choose the correct Antonyms.
“EXPONENT”
(A)
Cancel
(B)
Advocate
(C)
Meddler
(D)
Horrid
Answer: (B) Advocate
SENIOR INVESTIGATOR
41
Which of the following is true about sampling?
(A)
Sample is a part of population.
(B)
Sampling saves time, money and energy.
(C)
Sampling helps in estimating sampling error.
(D)
All of the mentioned
Answer: (D) All of the mentioned
42
A member of the population is called:
(A)
Element.
(B)
Data.
(C)
Family.
(D)
Group.
Answer: (A) Element.
43
The population to be sampled is divided into units which are known as:
(A)
Sampling frame.
(B)
Sampling error.
(C)
Sampling gap.
(D)
Sampling units.
Answer: (D) Sampling units.
44
A complete survey of population is called:
(A)
Census.
(B)
Sample.
(C)
Report.
(D)
None
Answer: (A) Census.
45
Judgmental sampling is also known as:
(A)
Purposive sampling.
(B)
Convenience sampling.
(C)
Extensive sampling.
(D)
Cluster sampling.
Answer: (A) Purposive sampling.
46
Sampling which provides for a known non-zero chance of selection is:
(A)
Probability sampling.
(B)
Non-probability sampling.
(C)
Quota sampling.
(D)
Extensive sampling.
Answer: (A) Probability sampling.
47
In cluster sampling, population is divided into clusters or groups which are ___ in
nature.
(A)
Homogenous.
(B)
Heterogeneous.
(C)
Both Heterogeneous and Homogenous.
(D)
None
Answer: (B) Heterogeneous.
48
Sampling in qualitative research is similar to which type of sampling in quantitative research?
(A)
Probability sampling.
(B)
Quota sampling.
(C)
Stratified sampling.
(D)
Purposive sampling.
Answer: (D) Purposive sampling.
49
Which of the following are steps in the sampling process?
(A)
Defining target population.
(B)
Selecting and identifying the sample method.
(C)
Choosing sampling frame.
(D)
All of the mentioned
Answer: (D) All of the mentioned
50
A complete survey of the population is called:
(A)
Census.
(B)
Sample.
(C)
Report.
(D)
None
Answer: (A) Census.
51
Which one is not the standard length of galvanised corrugated iron sheet in metric system?
(A)
1.8 m
(B)
2.0 m
(C)
2.9 m
(D)
2.8 m
Answer: (A) 1.8 m
52
The expected life of cement concrete floor is taken as
(A)
100 years
(B)
75 years
(C)
50 years
(D)
20 years
Answer: (B) 75 years
53
Brick walls are measured in m2 if the thickness of the wall is
(A)
10 cm
(B)
15 cm
(C)
20 cm
(D)
30 cm
Answer: (A) 10 cm
54
Which one is the waterproof cement point?
(A)
Snowcem
(B)
Supercem
(C)
Aquacem
(D)
All of the mentioned
Answer: (B) Supercem
55
Which soil will have the maximum permissible load per square metre?
(A)
Black cotton soil
(B)
Moist clay
(C)
Loose sand
(D)
Compact gravel
Answer: (A) Black cotton soil
56
A revised estimate is usually prepared when the original estimate has exceeded by more
than
(A)
1%
(B)
2%
(C)
10%
(D)
100%
Answer: (C) 10%
57
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
58
A random variable that assumes an infinite or an 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
59
In a random experiment, observations of a random variable are classified as
(A)
Events
(B)
Composition
(C)
Trials
(D)
Functions
Answer: (A) Events
60
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
61
If P(x) = 0.5 and x = 4, then E(x) = ?
(A)
1
(B)
0.5
(C)
4
(D)
2
Answer: (D) 2
62
Which of the following distributions is Continuous?
(A)
Binomial Distribution
(B)
Hyper-geometric Distribution
(C)
F-Distribution
(D)
Poisson Distribution
Answer: (C) F-Distribution
63
F-Distribution cannot take negative values.
(A)
TRUE
(B)
FALSE
(C)
Depends
(D)
None
Answer: (A) TRUE
64
Find Variance for an F-Distribution with v1=5 and v2=9.
(A)
1.587
(B)
1.378
(C)
1.578
(D)
1.498
Answer: (A) 1.587
65
Which of the following statements is true for correlation analysis?
(A)
It is a bivariate analysis
(B)
It is a multivariate analysis
(C)
It is a univariate analysis
(D)
None
Answer: (C) It is a univariate analysis
66
Which of the following statements is true about the null hypothesis?
(A)
Any wrong decision related to the null hypothesis results in two types of errors
(B)
Any wrong decision related to the null hypothesis results in one type of an error
(C)
Any wrong decision related to the null hypothesis results in four types of errors
(D)
Any wrong decision related to the null hypothesis results in three types of errors
Answer: (A) Any wrong decision related to the null hypothesis results in two types of
errors
67
Which of the following statements is true about the type two error?
(A)
Type two error means to accept an incorrect hypothesis
(B)
Type two error means to reject an incorrect hypothesis
(C)
Type two error means to accept a correct hypothesis
(D)
Type two error means to reject a correct hypothesis
Answer: (A) Type two error means to accept an incorrect hypothesis
68
The dependent variable is also called:
(A)
Regressand variable
(B)
Predictand variable
(C)
Explained variable
(D)
All of the mentioned
Answer: (D) All of the mentioned
69
To determine the height of a person when his weight is given is:
(A)
Correlation problem
(B)
Association problem
(C)
Regression problem
(D)
Qualitative problem
Answer: (C) Regression problem
70
If Y = 2 – 0.2X, then the value of Y intercept is equal to:
(A)
-0.2
(B)
2
(C)
0.2X
(D)
All of the mentioned
Answer: (B) 2
71
If regression line of = 5, then value of regression coefficient of Y on X is:
(A)
0
(B)
0.5
(C)
1
(D)
None
Answer: (A) 0
72
If the value of any regression coefficient is zero, then two variables are:
(A)
Qualitative
(B)
Correlation
(C)
Dependent
(D)
Independent
Answer: (D) Independent
73
Graph of time series is called
(A)
Line graph
(B)
Trend
(C)
Historigram
(D)
Histogram
Answer: (C) Historigram
Read Other Answer Keys Click Here
74
Prosperity, Recession, and depression in a business is an example of
(A)
Irregular Trend
(B)
Secular Trend
(C)
Cyclical Trend
(D)
Seasonal Trend
Answer: (C) Cyclical Trend
75
Time series data have a total number of components?
(A)
3
(B)
6
(C)
5
(D)
4
Answer: (D) 4
76
Seasonal variations are
(A)
Short term variation
(B)
Long term variation
(C)
Sudden variation
(D)
None
Answer: (A) Short term variation
77
In moving average method we cannot find trend values of some
(A)
End Periods
(B)
Middle Period
(C)
Starting and End Periods
(D)
Starting Periods
Answer: (C) Starting and End Periods
78
A rise in prices before Eid is an example of
(A)
Cyclical Trend
(B)
Secular Trend
(C)
Irregular Trend
(D)
Seasonal Trend
Answer: (D) Seasonal Trend
79
Which of the following is true for white noise?
(A)
Mean =0
(B)
Zero autocovariances
(C)
Zero autocovariances except at lag zero
(D)
Quadratic Variance
Answer: (C) Zero autocovariances except at lag zero
80
The factor reversal test is satisfied by:
(A)
Fisher’s Ideal Index
(B)
Marshall-Edgeworth Method
(C)
Simple GM of price relatives
(D)
All of the mentioned
Answer: (A) Fisher’s Ideal Index
81
Fisher’s index number is based on:
(A)
AM of Laspeyres and Paasche’s Index
(B)
GM of Laspeyres and Paasche’s Index
(C)
HM of Laspeyres and Paasche’s Index
(D)
None
Answer: (B) GM of Laspeyres and Paasche’s Index
82
Another name of consumer’s price index number is:
(A)
Whole-sale price index number
(B)
Cost of living index
(C)
Sensitive
(D)
Composite
Answer: (B) Cost of living index
83
Most commonly used index number is:
(A)
Volume index number
(B)
Value index number
(C)
Price index number
(D)
Simple index number
Answer: (C) Price index number
84
The aggregative expenditure method and family budget method always give:
(A)
Different results
(B)
Approximate results
(C)
Same results
(D)
None
Answer: (C) Same results
85
The most appropriate average in averaging the price relatives is:
(A)
Median
(B)
Harmonic mean
(C)
Arithmetic mean
(D)
Geometric mean
Answer: (D) Geometric mean
86
While computing a weighted index, the current period quantities are used in the:
(A)
Laspeyre’s method
(B)
Paasche’s method
(C)
Marshall Edgeworth method
(D)
Fisher’s ideal method
Answer: (B) Paasche’s method
87
Magnitude of scores is included in which of the central tendency measures?
(A)
Median
(B)
Mode
(C)
Mean
(D)
None
Answer: (C) Mean
88
What were the first two results of a central tendency test?
(A)
Mean and Mode
(B)
Median and Mode
(C)
Mean, Median and Range
(D)
None
Answer: (A) Mean and Mode
89
Which one of the following statements best describes the mode measure?
(A)
It gives us the most common score in a data set, which will change if you rearrange the
scores in any order.
(B)
It gives us the most common score in a data set, which will not change if you rearrange the
scores in any order.
(C)
It is always greater than or equal to the mean of a data set.
(D)
None
Answer: (C) It is always greater than or equal to the mean of a data set.
90
Which one of the following statements best describes the range measure?
(A)
It gives us the highest and lowest scores in a data set.
(B)
It gives us the lowest and highest scores in a data set.
(C)
It is always greater than or equal to the mean of a data set.
(D)
None
Answer: (B) It gives us the lowest and highest scores in a data set.
91
Which one of the following statements best describes the standard deviation measure?
(A)
It gives us the spread of a data set.
(B)
It tells how much a data set is spread from its mean.
(C)
It is always greater than or equal to the mean of a data set.
(D)
None
Answer: (C) It is always greater than or equal to the mean of a data set.
92
What is the standard deviation measure?
(A)
It measures how much a data set is spread from its mean.
(B)
It measures how much a data set is spread from another data set.
(C)
It indicates how closely related two or more sets are in terms of their respective means,
medians, and quantiles.
(D)
All of the mentioned
Answer: (D) All of the mentioned
93
What is an assumption when a data set is normally distributed?
(A)
The central tendency of populations is always equal to or greater than some constant.
(B)
Data points in a data set are, on average, equally spaced.
(C)
It has a standard deviation equal to 1.
(D)
All of the mentioned
Answer: (B) Data points in a data set are, on average, equally spaced.
94
Which of the following are characteristics of a good measure of dispersion?
(A)
It should be easy to calculate
(B)
It should be based on all the observations within a series
(C)
It should not be affected by the fluctuations within the sampling
(D)
All of the mentioned
Answer: (D) All of the mentioned
95
The coefficient of variation is a percentage expression for _.
(A)
Standard deviation
(B)
Quartile deviation
(C)
Mean deviation
(D)
None
Answer: (A) Standard deviation
96
The numerical value of a standard deviation can never be .
(A)
Negative
(B)
Zero
(C)
Larger than the variance
(D)
None
Answer: (A) Negative
97
Which of the following cannot be calculated for open-ended distributions?
(A)
Standard deviation
(B)
Mean deviation
(C)
Range
(D)
None
Answer: (B) Mean deviation
98
The Lorenz Curve is a technique that is used to show .
(A)
The inequality of wealth and income of a group of people
(B)
The unemployment of a group of people
(C)
The equality of wealth and income of a group of people
(D)
None
Answer: (A) The inequality of wealth and income of a group of people
99
In Statistics of dispersion, the Measure of dispersion can never be _
(A)
Positive
(B)
Zero
(C)
Equal to
(D)
Negative
Answer: (D) Negative
100
On which change the variance of a data set is independent?
(A)
Origin only
(B)
Scale only
(C)
Origin and Scale
(D)
None
Answer: (A) Origin only
