IB Security Assistant 2019 Answer Key PDF:
The Intelligence Bureau (IB) has conducted IB Security Assistant Exam on 17th Feb 2019. IB has conducted the Tier- 1 exam for recruitment of 1054 Security Assistant Posts. Candidates can calculate their marks using the key.
IB Security Assistant Exam Analysis:
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Go to 18000 Free SSC Solved Questions
- Students who have appeared for the exam described the exam level to be Easy.
- Questions were arranged section wise Mathematics, GK, English and Reasoning.
- In the General Awareness section, questions were mostly from Static GK and Biology.
- Among all the sections, English was easy and most of the questions are from Fill In The Blanks, One Word Substitution and Incorrectly Spelt Word.
Section | Questions | Marks | Difficulty Level |
Quantitative Aptitude | 20 | 20 | Easy |
General Awareness | 40 | 40 | Easy |
English | 20 | 20 | Very Easy |
Logical/Analytical Ability | 20 | 20 | Moderate |
Total | 100 | 100 | Easy |
The Minimum Cut Off Marks category wise are as below:
UR: 35
OBC: 34
SC: 33
ST: 33
On the basis of Tier- 1 exam candidates will be shortlisted for Tier- 2 and Tier- 3. Tier- 2 Exam is of qualifying in nature. The minimum cut off marks for tier- 2 exam for all categories will be same.
IB Security 2019 Answer Key:
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Download SSC CGL Previous Papers PDF
Question 1:Â What are the Highest Common Factor and Lowest Common Multiple of 6, 72, 120?
a)Â 12, 180
b)Â 6, 360
c)Â 360, 6
d)Â 12, 360
Question 2: If a quadratic polynomial y = $ax^2+ bx + c$ intersects x axis at α and β, then
a) α + β = -b/a
b) α + β = a/b
c) α × β = a/c
d) α/β = 1
Question 3:Â If in two linear equations ax + by = c and dx + ey = f and a/d = b/e = c/f then, which of the following is true about the two equations?
a)Â They represents intersecting lines
b)Â They represent coincident lines
c)Â Have a unique solution.
d)Â None of these
Question 4:Â Roots of the quadratic equations $2x^2 + x – 528$ = 0 is:
a)Â 16
b)Â -33/2
c)Â Both a & b
d)Â None of these
Question 5:Â Sum of all positive integers from 1 to 100 is:
a)Â 5050
b)Â 5020
c)Â 10800
d)Â 2400
IB Security Assistant Previous Papers
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Question 6: If area of similar triangles Δ ABC and Δ DEF be 64 sq cm and 121 sq cm and EF = 15.4 cm then BC equals:
a)Â 8 cm
b)Â 18 cm
c)Â 11.2 cm
d)Â 8.2 cm
Question 7:Â Area of a triangle with vertices at (2, 3), (-1, 0) and (2, -4) is:
a)Â 21/2 cm
b)Â 21/2 sq units
c)Â 21 sq units
d)Â None of these
Question 8: 2 × tan 30° / $(1 + tan^2 30°)$ equals:
a) sin 60°
b) cos 60°
c) tan 60°
d) sin 30°
Question 9: The angle of elevation of the top of a tower from a point on ground which is 30 mtrs. away from the foot of the tower is 30°. Height of the tower is:
a) 10/√3 mtrs.
b) 10 × √3 mtrs.
c)Â 100 mtrs.
d)Â 20 mtrs.
Question 10:Â The length of a tangent from a point A at a distance 5 cms. from the centre of the circle is 4 cms. Radius of the circle is
a)Â 2 cms
b)Â 3 cms
c) √3 cms
d) √3/2 cms
Question 11:Â Length of a minute hand of a clock is 14 cms. Area swept by the minute hand in 5 minutes is:
a)Â 154 sq cms
b)Â 154/3 sq cms
c)Â 210 sq cms
d) 154/√3 sq cms
Question 12:Â A metallic sphere of radius 4.2 cms. is melted and recast into the shape of a cylinder of radius 6 cms. Height of the resultant cylinder would be:
a)Â 110 cms
b)Â 3.84 cms
c)Â 30 cms
d)Â 2.74 cms
Question 13:Â A box contains 3 blue, 2 white and 4 red marbles. If a marble is drawn at random from the box, what is the probability that it would be white.
a)Â Cannot be determined
b)Â 1
c)Â 7/9
d)Â 2/9
Question 14:Â Which of the following cannot be the probability of an event?
a)Â 2/3
b)Â -1.5
c)Â 15%
d)Â 0.7
Question 15:Â Mean of a grouped data calculated using direct method, assumed mean method or step deviation method:
a)Â is the same
b)Â Varies slightly
c)Â Has huge variation
d)Â None of these
Question 16:Â Which of the following is a Prime Number?
a)Â 12
b)Â 7
c)Â 9
d)Â 4
Question 17:Â If polynomial P(x) = $x^3 – 3x^2 + 5x – 3$ is divided by polynomial G(x) = $x^2 – 2$, the quotient and remainder are:
a)Â x – 3, 7x – 9
b)Â x, 7x
c)Â x – 3, 7x
d)Â x, 7x – 9
Question 18: If in triangle ABC, if side AB = 6√3, AC = 12 and BC = 6, then angle B equals:
a) 120°
b) 60°
c) 90°
d) 45°
Question 19:Â What are the coordinates of the point which divides the line joining (-1, 7) and (4, -3) in the ratio 2 : 3?
a)Â (7, 4)
b)Â (9, 9)
c)Â (1, 3)
d)Â (4, 7)
Question 20:Â Volume of a cone with radius r and height h is:
a)Â $rh^2$
b)Â $Ï€r^2h/2$
c) πrh/3
d)Â $Ï€r^2h/3$
Question 21:Â International Day of Yoga is celebrated annually on:
a)Â 21 June
b)Â 10 December
c)Â 21 July
d)Â 21 September
Question 22: City of lakes’ in India is:
a)Â Lucknow
b)Â Chandigarh
c)Â Bengaluru
d)Â Udaipur
Question 23:Â Which of the diseases is not caused by virus?
a)Â TB
b)Â Chickenpox
c)Â Dengue
d)Â Polio
Question 24:Â How many states are there in India?
a)Â 26
b)Â 28
c)Â 27
d)Â 29
Question 25: During Akbar’s regime, who carried out land revenue reforms:
a)Â Mann Singh
b)Â Todar Mal
c)Â Birbal
d)Â Tansen
Question 26:Â Which of the following is the unit of heat?
a)Â Joule
b)Â Ohm
c)Â Ampere
d)Â Volt
Question 27:Â . Who among the following is the future Buddha that is yet to come?
a)Â Lokes Varna
b)Â Maitreya
c)Â Laughing Buddha
d)Â Chanakya
Question 28:Â Jaundice is caused due to malfunctioning of:
a)Â Liver
b)Â Stomach
c)Â Pancreas
d)Â Kidney
Question 29:Â Tsangpo river flowing through Tibet is known in India as:
a)Â Brahmaputra
b)Â Ganges
c)Â Sutlej
d)Â Beas
Question 30:Â Yuri Gagarin, the first cosmonaut to reach space, was from which country?
a)Â UK
b)Â Japan
c)Â China
d)Â Russia
Question 31:Â What is boiling point of water in Fahrenheit?
a) 100°F
b) 32°F
c) 212°F
d) 0°F
Question 32:Â Kalibangan, the Indus Valley site, is in:
a)Â Rajasthan
b)Â Gujarat
c)Â Madhya Pradesh
d)Â Uttar Pradesh
Question 33:Â Who was the founder of Banaras Hindu University?
a)Â Sukumar Dey
b)Â Madan Mohan Malviya
c)Â Dr. Rajendra Prasad
d)Â Motilal Nehru
Question 34:Â Where do you find the temple of Angkorwat?
a)Â Thailand
b)Â Malaysia
c)Â Combodia
d)Â Myanmar
Question 35:Â Which of the following can cause a Tsunami?
a)Â Volcano
b)Â Avalanche
c)Â Tornado
d)Â Earthquake
Question 36:Â The Bhakra Dam in India is built on:
a)Â Beas River
b)Â Jhelum River
c)Â Sutlej River
d)Â Ghagra River
Question 37: Who wrote ‘Ramcharitmanas’?
a)Â Tulsidas
b)Â Vedvyas
c)Â Kalidas
d)Â Panini
SSC CGL Previous Papers with answers
Question 38:Â The river known as Ganges of the South is:
a)Â Godavari
b)Â Krishna
c)Â Kaveri
d)Â None of these
Question 39:Â Where is the Tungbhadra Sanctuary located?
a)Â MP
b)Â UP
c)Â Karnataka
d)Â WB
Question 40:Â Where is Nanda Devi Mountain?
a)Â Uttrakhand
b)Â Rajasthan
c)Â Himachal Pradesh
d)Â Arunachal Pradesh
Question 41:Â Jaya Samhita is the original name of:
a)Â Ramayana
b)Â Bhagwat Gita
c)Â Panchtantra
d)Â Mahabharata
Question 42:Â Rickets is caused due to deficiency of:
a)Â Vitamin D
b)Â Vitamin K
c)Â Vitamin B12
d)Â Vitamin A
Question 43:Â Who was the first woman speaker of Lok Sabha?
a)Â Sumitra Mahajan
b)Â Najma Heptullah
c)Â Meira Kumar
d)Â Paratibha Patil
Question 44:Â With which sport is term Butterfly associated with:
a)Â Kabaddi
b)Â Cricket
c)Â Football
d)Â Swimming
Question 45:Â The resolution for removal of Vice President of India should be moved in:
a)Â Lok Sabha
b)Â Rajya Sabha
c)Â Either of the Houses
d)Â None of these
Question 46:Â What happens when dilute hydrochloric acid is added to iron fillings?
a)Â Hydrogen gas and iron chloride are produced
b)Â Chlorine gas and iron hydroxide are produced
c)Â No reaction takes place
d)Â Iron salt and water are produced
Question 47:Â A solution turns red litmus paper blue. Its Ph is likely to be:
a)Â 1
b)Â 4
c)Â 5
d)Â 10
Question 48:Â An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be:
a)Â Calcium
b)Â Carbon
c)Â Silicon
d)Â Iron
Question 49:Â While cooking, if the bottom of the vessel is getting blackened on the outside, it means that:
a)Â The food is not cooked completely
b)Â The fuel is not burning completely
c)Â The fuel is wet
d)Â The fuel is burning
Question 50:Â Which of the following statements is not correct about the trend _____ to right across the periods of the periodic table:
a)Â The elements become less metallic in nature
b)Â The number of valence electrons increase
c)Â Atoms lose their electron more easily
d)Â Oxides of the element become more acidic
Question 51:Â Kidneys in human beings are a part of the system for:
a)Â Nutrition
b)Â Respiration
c)Â Excretion
d)Â Transportation
Question 52:Â The gap between two neurons is called a:
a)Â Dendrite
b)Â Synapse
c)Â Axon
d)Â Impulse
Question 53:Â In a plant, the anther contains:
a)Â Sepals
b)Â Ovules
c)Â Pistil
d)Â Pollen grains
Question 54:Â In evolutionary terms, we have more in common with:
a)Â A Chinese school boy
b)Â Chimpanzee
c)Â Spider
d)Â Bacterium
Question 55:Â Which of the following material cannot be used to make a lens?
a)Â Water
b)Â Glass
c)Â Plastic
d)Â Clay
Question 56:Â The human eyes form the image of an object at its:
a)Â Cornea
b)Â Iris
c)Â Pupil
d)Â Retina
Question 57:Â Which of the following terms does not represent electric power in a circuit?
a)Â I 2R
b)Â IR2
c)Â VI
d)Â V2/R
Question 58:Â The device used for producing electric current is called:
a)Â Generator
b)Â Galvanometer
c)Â Ammeter
d)Â Motor
Question 59:Â Which of the following is not an example of bio-mass energy source?
a)Â Wood
b)Â Gobar gas
c)Â Nuclear energy
d)Â Coal
Question 60:Â Which of the following constitute a food chain?
a)Â Grass, Wheat and Mango
b)Â Grass, Goat and Human
c)Â Goat, Cow and Elephant
d)Â Grass, Fish and Goat
Instructions
complete the sentence by choosing the most appropriate option from those given below:
Question 61: Pleasure and pain are inseparable facets………….human existence.
a)Â In
b)Â On
c)Â Of
d)Â By
Question 62: Is there …… fitness centre near your house?
a)Â An
b)Â The
c)Â A
d)Â None of these
Question 63: He has hardly read …… book
a)Â Many
b)Â All
c)Â The
d)Â None of these
Question 64: …… of pain is real and affects one’s body, mind and spirit.
a)Â Experiencing
b)Â Experience
c)Â Experienced
d)Â None of these
Question 65: He drove with …… care and hence was fined by Traffic Police.
a)Â Much
b)Â Little
c)Â All
d)Â None of these
Question 66: …… cultural diversity attracts tourists from all over the world.
a) India’s
b)Â India
c)Â Both (a) & (b)
d)Â None of these
Question 67: I have been to …….doctor, whose name figured in the Times of India
a)Â The
b)Â An
c)Â Any
d)Â None of these
Question 68: The …… monkeys that escaped from Delhi Zoo were found eating bananas in a fruit shop.
a)Â Many
b)Â Three
c)Â All
d)Â Different
Question 69: We are …… to go out for a picnic tomorrow.
a)Â Plan
b)Â Planning
c)Â Plans
d)Â Think
Question 70: The train must …… reached Delhi by now.
a)Â Has
b)Â Had
c)Â Have
d)Â None of these
Instructions
select the word spelled incorrectly.
Question 71:Â
a)Â Mischeif
b)Â Belief
c)Â Thief
d)Â Grief
Question 72:Â
a)Â Familiar
b)Â Sin
c)Â Hammer
d)Â Grammer
Question 73:Â
a)Â Focal
b)Â Vocal
c)Â Vehical
d)Â Local
Question 74:Â
a)Â Carpenter
b)Â Denteist
c)Â Doctor
d)Â Plumber
Question 75:Â
a)Â Volkano
b)Â Crater
c)Â Lava
d)Â Earth
Instructions
please choose one of the alternatives that can be substituted for the given sentence.
Question 76:Â A person who believes in God.
a)Â Theist
b)Â Cynic
c)Â Atheist
d)Â None of these
Question 77:Â Story of an individual by himself.
a)Â Biography
b)Â Autobiography
c)Â History
d)Â None of these
Question 78:Â A book or paper written by hand.
a)Â Edition
b)Â Draft
c)Â Manuscript
d)Â None of these
Question 79:Â A number of ships.
a)Â Fleet
b)Â Galaxy
c)Â Constellation
d)Â Group
Question 80:Â A young cow.
a)Â Bovine
b)Â Herd
c)Â Calf
d)Â None of these
Instructions
find the odd one out of the choices given therein.
Question 81:Â
a)Â Vindhya
b)Â Satpura
c)Â Aravali
d)Â Dal Lake
Question 82:Â
a)Â Ganga
b)Â Yamuna
c)Â Brahmputra
d)Â Kaveri
Question 83:Â
a)Â Ammeter
b)Â Thermometer
c)Â Barometer
d)Â Temperature
Question 84:Â
a)Â Mango
b)Â Apple
c)Â Potato
d)Â Blackberry
Question 85:Â
a)Â Aizawal
b)Â Itanagar
c)Â Tripura
d)Â Shillong
Instructions
each question contains a pair of words. Find the relationship between these two words. Then choose from the options given in which the relationship is almost similar.
Question 86:Â Copper : Metal
a)Â Engine : Car
b)Â Furniture : Wood
c)Â Pen : Pencil
d)Â Pepper : Spice
Question 87:Â Granary : Wheat
a)Â Lake : Water
b)Â Wine : Grapes
c)Â Gallery : Art
d)Â Archive : Documents
Question 88:Â Albania : Europe
a)Â Sydney : Australia
b)Â Congo : South America
c)Â Bengaluru : India
d) Cote d’ Ivoire : Africa
Question 89:Â Uranium : Nuclear power plant
a)Â coal : washery
b)Â sand : sea
c)Â coal : thermal power plant
d)Â steam : furnace
Question 90:Â Hallikar : Cow
a)Â Dachshund : Dog
b)Â Gir : Lion
c)Â Goat : Lamb
d)Â Mule : Horse
Question 91:Â In the number series, what number should come next?
7, 10, 8, 11, 9, 12,_______
a)Â 11
b)Â 15
c)Â 14
d)Â 10
Question 92:Â What comes next R, U, X, A, D, ______?
a)Â F
b)Â G
c)Â H
d)Â I
Question 93:Â If the 7th day of a month is 3 days earlier than Friday, then what day will be on the 19th day of the month?
a)Â Sunday
b)Â Monday
c)Â Wednesday
d)Â Friday
Question 94:Â If EARN is related to RANE and BOND is related to NODB, in the same way TEAR is related to:
a)Â ATRE
b)Â AERT
c)Â ARFT
d)Â REAT
Question 95:Â Average age of a father and his son is 22 years. Ratio of their age is 10 : 1,
what is the age of the son?
a)Â 24 years
b)Â 4 years
c)Â 40 years
d)Â 6 years
Instructions
each question comprises of a statement and two conclusions (I) and (II). Assuming that
the statement is true, which of the conclusions follow logically from the statement?
Question 96:Â Statement:In a one day cricket match, a team made 200 runs, out of which 160 runs were
made by spinners.
Conclusions:
i) 80% of team consists of spinners.
ii) Opening batsmen were spinners.
a)Â Only conclusion (I) follows
b)Â Only conclusion (II) follows
c)Â Neither (I) nor (II) follows
d)Â Both (I) & (II) follow
Question 97:Â Statement:The old order changeth yielding place to new.
Conclusions:
i) Change is the law of nature.
ii) Discard old ideas because the are old.
a)Â Only conclusion (I) follows
b)Â Only conclusion II follows
c)Â Neither (I) nor (II) follows
d)Â Both (I) & (II) follow
Question 98:Â Statement:Because of growth in production of Aluminium by National Aluminium Company, India has become selfsufficient in Aluminium.
Conclusions:
i) Previously India had to import Aluminium
ii) At this rate, India may start exporting Aluminium
a)Â Only conclusion (I) follows
b)Â Only conclusion II follows
c)Â Neither (I) nor (II) follows
d)Â Both (I) & (II) follow
Question 99:Â Statement: All mangoes are golden in colour. No golden coloured things are cheap
Conclusions:
i) All mangoes are cheap
ii) Golden coloured mangoes are not cheap
a)Â Only conclusion (I) follows
b)Â Only conclusion II follows
c)Â Neither (I) nor (II) follows
d)Â Both (I) & (II) follow
Question 100:Â Statement:Jade plant has thick leaves and it requires little water.
Conclusions:
i) All plants with thick leaves require little water.
ii) Jade plant may grow in places where water is not in abundance.
a)Â Only conclusion (I) follows
b)Â Only conclusion II follows
c)Â Neither (I) nor (II) follows
d)Â Both (I) & (II) follow
Answers & Solutions:
1) Answer (B)
2) Answer (A)
3) Answer (B)
4) Answer (C)
5) Answer (A)
6) Answer (C)
7) Answer (B)
8) Answer (A)
9) Answer (B)
10) Answer (B)
11) Answer (B)
12) Answer (D)
13) Answer (D)
14) Answer (B)
15) Answer (A)
16) Answer (B)
17) Answer (A)
18) Answer (C)
19) Answer (C)
20) Answer (D)
21) Answer (A)
22) Answer (D)
23) Answer (A)
24) Answer (D)
25) Answer (B)
26) Answer (A)
27) Answer (B)
28) Answer (A)
29) Answer (A)
30) Answer (D)
31) Answer (C)
32) Answer (A)
33) Answer (B)
34) Answer (C)
35) Answer (D)
36) Answer (C)
37) Answer (A)
38) Answer (A)
39) Answer (C)
40) Answer (A)
41) Answer (D)
42) Answer (A)
43) Answer (C)
44) Answer (D)
45) Answer (B)
46) Answer (A)
47) Answer (D)
48) Answer (A)
49) Answer (B)
50) Answer (C)
51) Answer (C)
52) Answer (B)
53) Answer (D)
54) Answer (B)
55) Answer (D)
56) Answer (D)
57) Answer (B)
58) Answer (A)
59) Answer (C)
60) Answer (B)
61) Answer (C)
62) Answer (D)
63) Answer (C)
64) Answer (B)
65) Answer (B)
66) Answer (A)
67) Answer (A)
68) Answer (B)
69) Answer (B)
70) Answer (C)
71) Answer (A)
72) Answer (D)
73) Answer (C)
74) Answer (B)
75) Answer (A)
76) Answer (A)
77) Answer (B)
78) Answer (C)
79) Answer (A)
80) Answer (C)
81) Answer (D)
82) Answer (D)
83) Answer (D)
84) Answer (C)
85) Answer (C)
86) Answer (D)
87) Answer (D)
88) Answer (D)
89) Answer (C)
90) Answer (A)
91) Answer (D)
92) Answer (B)
93) Answer (A)
94) Answer (B)
95) Answer (B)
96) Answer (C)
97) Answer (C)
98) Answer (A)
99) Answer (B)
100) Answer (B)