Official Paper

RRB JE 24 May 2019 (Shift 3) CBT 1 Official Paper (Previous Year Paper)

100 questions · 90 minutes · with answers · free

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Test (100 questions)

How many triangles are there in the given figure?

((a))
24
((b))
12
((c))
16
((d))
22

Show Answer

Answer: ((a))

In this question, a statement is given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.

Statement: Candidates should be young, energetic and dynamic in the age group of 27 to 32 years.

Conclusions:

I. Persons below 27 years are not energetic.

II. Persons above 32 years are not young.

((a))
Only conclusion I follows
((b))
Neither conclusion I nor II follows
((c))
Only conclusion II follows
((d))
Both conclusions I and II follow

Show Answer

Answer: ((a))

Only conclusion I follows

If 'ROPE' is coded as 6821 and 'CHAIR' is coded as 73456, then what will be the code for

'CRAPE'?

((a))
77246
((b))
76421
((c))
77123
((d))
73456

Show Answer

Answer: ((a))

77246

In this question, a statement is given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.

Statement: This world is neither good nor evil; each man manufactures a world for himself.

Conclusions:

I. Some people find this world good.

II. Some people find this world bad.

((a))
Both conclusions I and II follow
((b))
Only conclusion I follows
((c))
Either conclusion I or II follows
((d))
Only conclusion II follows

Show Answer

Answer: ((a))

Both conclusions I and II follow

Simplify: 0.004 × 0.5

((a))
0.02
((b))
2
((c))
0.2
((d))
0.002

Show Answer

Answer: ((a))

0.02

Repetition of sound produced by reflection of sound waves is called

((a))
Noise
((b))
Note
((c))
Double
((d))
Echo

Show Answer

Answer: ((a))

Noise

The base of a right pyramid is a square with diagonal 16 units. Its slant edge is 17 units. What is its vertical height?

((a))
12
((b))
15
((c))
30
((d))
25

Show Answer

Answer: ((a))

The study of relationship of animals with their environment is called

((a))
Ecology
((b))
Ethology
((c))
Climatology
((d))
Entomology

Show Answer

Answer: ((a))

Ecology

When copper sulphate solution reacts with iron metal, copper metal is formed. Which of the following reactions is this?

((a))
Decomposition reaction
((b))
Combination reaction
((c))
Single displacement reaction
((d))
Double displacement reaction

Show Answer

Answer: ((a))

Decomposition reaction

Rustom-2 is a/an __________ developed by India's Defence Research and Development Organisation (DRDO).

((a))
Air-to-Air missile
((b))
Light weight vehicle
((c))
Unmanned Combat Aerial Vehicle
((d))
Anti-missile tank

Show Answer

Answer: ((a))

Air-to-Air missile

The Sun and the stars glow because of the presence of ________ in them.

((a))
Gases
((b))
Plasma
((c))
Light energy
((d))
Electricity

Show Answer

Answer: ((a))

Gases

What did Archimedes determine after discovering the Archimedes principle?

((a))
Purity of milk
((b))
Purity of gold in the king's crown
((c))
Design concept of ship
((d))
Design concept of submarine

Show Answer

Answer: ((a))

Purity of milk

In which of the following cities has ISRO launched a Human Space Flight Centre in 2019?

((a))
Bengaluru
((b))
Chennai
((c))
Mumbai
((d))
Hyderabad

Show Answer

Answer: ((a))

Bengaluru

Find the missing group of alphabets in the following series.

VA, ND, (…), DP, BY

((a))
TU
((b))
SE
((c))
HI
((d))
NR

Show Answer

Answer: ((a))

Amindivi and Minicoy are parts of which Indian Union Territory?

((a))
Lakshadweep
((b))
Daman and Diu
((c))
Andaman and Nicobar
((d))
Chandigarh

Show Answer

Answer: ((a))

Lakshadweep

Read the following information carefully and answer the question given below

Eight friends—A, B, C, D, E, F, G and H are sitting around a circular table for a meeting facing center. A is second to the right of G who is third to the right of B. D is second to the left of F who sits between G and A. C is not a neighbour of B or E. Who is to the immediate left of B?

((a))
H
((b))
D
((c))
E
((d))
C

Show Answer

Answer: ((a))

In which city was the 10th Biennial International Exhibition and Conference “India Chem 2018” held?

((a))
Kolkata
((b))
Delhi
((c))
Chennai
((d))
Mumbai

Show Answer

Answer: ((a))

Kolkata

Which of the following is used in alcoholic drinks?

((a))
Methanol
((b))
Ethanol
((c))
Propanol
((d))
Butanol

Show Answer

Answer: ((a))

Methanol

In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.

Statements:

All flowers are candles.
No candle is lantern.

Conclusions:

I. No flower is lantern.

II. All candles are flowers.

((a))
Only conclusion I follows
((b))
Neither conclusion I nor II follows
((c))
Only conclusion II follows
((d))
Both conclusions I and II follow

Show Answer

Answer: ((a))

Only conclusion I follows

Which of the following taxes was levied, collected and retained by the Central Government?

((a))
Land revenues
((b))
Corporate tax
((c))
Taxes on agriculture income
((d))
Entertainment tax

Show Answer

Answer: ((a))

Land revenues

What is the atomicity of Helium?

((a))
Mono atomic
((b))
Polyatomic
((c))
Diatomic
((d))
Triatomic

Show Answer

Answer: ((a))

Mono atomic

Two identical items are sold for Rs. 200 each, with 10% gain on one but 10% loss on the other. What is the net percentage loss or gain?

((a))
1% gain
((b))
2% gain
((c))
2% loss
((d))
1% loss

Show Answer

Answer: ((a))

1% gain

In a survey conducted in a locality, it was found that 50% read newspaper A, 40% read newspaper B, and 20% read neither A nor B. If the number of persons who read both A and B is 500, then how many persons were surveyed?

((a))
7000
((b))
3000
((c))
4500
((d))
5000

Show Answer

Answer: ((a))

7000

Which of the following is the time taken for one complete oscillation of a sound wave in the density of the medium?

((a))
Amplitude
((b))
Wavelength
((c))
Frequency
((d))
Time period

Show Answer

Answer: ((a))

Amplitude

Atomic number of an element is equal to the number of ____ in the nucleus.

((a))
Electrons and protons
((b))
Neutrons
((c))
Electron
((d))
Protons

Show Answer

Answer: ((a))

Electrons and protons

If a sum becomes 4 times in 20 years what is the rate of simple interest given?

((a))
15%
((b))
20%
((c))
$13\frac{1}{3}%$
((d))
10%

Show Answer

Answer: ((a))

15%

Which of the following will best complete the relationship given below?

FDA : MKH :: QOL : ?

((a))
XSV
((b))
SVX
((c))
QUZ
((d))
XVS

Show Answer

Answer: ((a))

XSV

Who was the first Indian footballer to receive the Arjuna Award?

((a))
P.K. Bannerjee
((b))
Tulsidas Balaram
((c))
Sailen Manna
((d))
Jarnail Singh

Show Answer

Answer: ((a))

P.K. Bannerjee

How many 3 digit numbers are divisible by 3?

((a))
98
((b))
300
((c))
97
((d))
96

Show Answer

Answer: ((a))

Gas leaked during Bhopal tragedy was

((a))
Ethyl isothiocyanate
((b))
Potassium isothiocyanate
((c))
Methyl isocyanate
((d))
Sodium isothiocyanate

Show Answer

Answer: ((a))

Ethyl isothiocyanate

Raja Ravi Varma was famous in the field of

((a))
Dance
((b))
Literature Top
((c))
Music
((d))
Painting

Show Answer

Answer: ((a))

Dance

What is the medico-legal name given to the dissection and study of a dead human body?

((a))
Causa medico
((b))
Analysis
((c))
Autolepsy
((d))
Autopsy

Show Answer

Answer: ((a))

Causa medico

Complete the series.

0.7, 0.75, 0.85, 1, (…)

((a))
1.2
((b))
1.6
((c))
1.8
((d))
1.1

Show Answer

Answer: ((a))

1.2

Which of the following metals is the lightest in the periodic table of elements?

((a))
Aluminium
((b))
Lithium
((c))
Titanium
((d))
Magnesium

Show Answer

Answer: ((a))

Aluminium

If ${\rm{x}} - \frac{1}{x} = 3$ , then find the value of ${x^4} + \frac{1}{{{x^4}}}$ .

((a))
123
((b))
129
((c))
119
((d))
14

Show Answer

Answer: ((a))

123

Choose the correct order of signs from the options so as to make the equation correct.

18 - 5 × 50 = 40

((a))
-, ×, =
((b))
×, = ,-
((c))
= , -, ×
((d))
×, -, =

Show Answer

Answer: ((a))

-, ×, =

The Fiber Grid internet system was introduced by which Chief Minister in India?

((a))
Manohar Parrikar
((b))
Raman Singh
((c))
Chandrababu Naidu
((d))
Arvind Kejriwal

Show Answer

Answer: ((a))

Manohar Parrikar

Which was India's first National Park?

((a))
Jim Corbett National Park
((b))
Kanha National Park
((c))
Kaziranga National Park
((d))
Gir National Park

Show Answer

Answer: ((a))

Jim Corbett National Park

Where is the pituitary gland located in the human body?

((a))
On the top of kidneys
((b))
In the intestine
((c))
Near the spleen
((d))
At the base of the brain

Show Answer

Answer: ((a))

On the top of kidneys

Volume of material used in constructing a hollow cylinder of height 24 cm and thickness 1 cm is 96π. What is the sum of the internal and external radii?

((a))
7 cm
((b))
5 cm
((c))
4 cm
((d))
3 cm

Show Answer

Answer: ((a))

7 cm

Find the ODD one out from the given options.

((a))
OQS
((b))
WYZ
((c))
PRT
((d))
HJL

Show Answer

Answer: ((a))

OQS

Which hormone regulates the amount of sugar in human blood?

((a))
Estrogen
((b))
Testosterone
((c))
Parathormone
((d))
Insulin

Show Answer

Answer: ((a))

Estrogen

x³ + 5x² – 2x – 24 has a zero at x = 2. Find the other zeros.

((a))
-3, -4
((b))
-3, 5
((c))
-2, -3
((d))
3, 4

Show Answer

Answer: ((a))

-3, -4

If tan α = 1/2, tan β = 1/3, then find α + β.

((a))
0°
((b))
45°
((c))
90°
((d))
135°

Show Answer

Answer: ((a))

0°

Who was the first person to observe 'Individual Satyagraha'?

((a))
Mahatma Gandhi
((b))
Govind Ballabh Pant
((c))
Sardar Vallabhbhai Patel
((d))
Vinoba Bhave

Show Answer

Answer: ((a))

Mahatma Gandhi

Which of the following can be used for biological control of mosquitoes?

((a))
Oil
((b))
Ointments
((c))
Gambusia
((d))
D. D. T

Show Answer

Answer: ((a))

Oil

What is the area of a regular hexagon of side 6 cm?

((a))
108√3 cm²
((b))
64√3 cm²
((c))
54√3 cm²
((d))
72√3 cm²

Show Answer

Answer: ((a))

108√3 cm²

P, Q, R and S can do a piece of work in 20 days. If P and Q together can do it in 50 days, and R alone in 60 days, then in how many days can S alone do it?

((a))
60
((b))
75
((c))
65
((d))
90

Show Answer

Answer: ((a))

A number when divided by 234 gives the remainder 36. What will be the remainder when it is divided by 13?

((a))
6
((b))
11
((c))
9
((d))
10

Show Answer

Answer: ((a))

A's age : B's age is 4 : 3. After 6 years, A will be 26 years. What is B's present age?

((a))
12
((b))
18
((c))
15
((d))
9

Show Answer

Answer: ((a))

Who was the first Indian bodybuilder to win the Mr. Universe title?

((a))
Moloy Roy
((b))
Monotosh Roy
((c))
Prem Chand
((d))
Manohar Aich

Show Answer

Answer: ((a))

Moloy Roy

Which is the only muscle in the human body that is NOT attached at both the ends?

((a))
Tongue
((b))
Biceps
((c))
Adductor
((d))
Triceps

Show Answer

Answer: ((a))

Tongue

Which part of the human ear vibrates according to the sound received?

((a))
Hammer
((b))
Pinna
((c))
Auditory nerve
((d))
Tympanic membrane

Show Answer

Answer: ((a))

Hammer

When a three quarter moon is visible, what is it called?

((a))
Half moon
((b))
Crescent moon
((c))
Full moon
((d))
Gibbous moon

Show Answer

Answer: ((a))

Half moon

If 1/7 of a number is subtracted from the number, the result is 30 less than the number. Find the number.

((a))
120
((b))
140
((c))
210
((d))
105

Show Answer

Answer: ((a))

120

Find the value of $\frac{1}{{1 \times 2}} + \frac{1}{{2 \times 3}} + \frac{1}{{3 \times 4}} + \frac{1}{{4 \times 5}} + \frac{1}{{5 \times 6}} \ldots + \frac{1}{{9 \times 10}}$

((a))
9/10
((b))
5/11
((c))
2/5
((d))
1/10

Show Answer

Answer: ((a))

9/10

Find the ODD one out from the given options.

((a))
9
((b))
13
((c))
7
((d))
11

Show Answer

Answer: ((a))

Find the LCM of (2² × 3² × 5 × 7), (2² × 3 × 5² × 7) and (2 × 3 × 5 × 7).

((a))
7200
((b))
8400
((c))
9000
((d))
6300

Show Answer

Answer: ((a))

7200

In a certain code, 'ITNIETAM' is coded as 'INTIMATE'. How will 'TREVNIETARBI' be coded?

((a))
INVERTIBARTE
((b))
INVERTIBRATE
((c))
INVERTIBRETA
((d))
INVRETIBRATE

Show Answer

Answer: ((a))

INVERTIBARTE

Choose the alternative that best replaces the question mark (?) in the given figure

((a))
34
((b))
30
((c))
32
((d))
25

Show Answer

Answer: ((a))

Choose the pair in which the words show the same relationship as in the pair given below.

Cholera : Water

((a))
Cat : Plague
((b))
Malaria : Mosquito
((c))
Poison : Death
((d))
Medicine : Disease

Show Answer

Answer: ((a))

Cat : Plague

Find the wrong number in the given series.

12, 18, 27, 42, 62, 87

((a))
18
((b))
27
((c))
42
((d))
87

Show Answer

Answer: ((a))

Which of the following is equal to a measurement of 1 mA?

((a))
10^-3A
((b))
10³A
((c))
10⁶A
((d))
10^-6A

Show Answer

Answer: ((a))

10^-3A

P, Q and R can do a work in 15, 20 and 30 days respectively. The contractor decides to put any two of them on the job so as to finish the work earlier. Which of these choices is the best?

((a))
Either PQ or QR
((b))
QR
((c))
RP
((d))
PQ

Show Answer

Answer: ((a))

Either PQ or QR

Around a circular track of 120 m, P and Q start running simultaneously from the same point in the same direction at 20 m/min and 12 m/min. At how many points will they meet?

((a))
2
((b))
1
((c))
4
((d))
3

Show Answer

Answer: ((a))

Find the value of sin (180° – θ) cos (90° – θ) – cos (180° – θ) sin (90° – θ).

((a))
cos θ
((b))
1
((c))
tan θ
((d))
0

Show Answer

Answer: ((a))

cos θ

Mushroom is a/an

((a))
Fungus
((b))
Animal
((c))
Slime mould
((d))
Plant

Show Answer

Answer: ((a))

Fungus

Iodine is used to test the presence of ___________ in food.

((a))
Fat
((b))
Vitamin
((c))
Protein
((d))
Starch

Show Answer

Answer: ((a))

Fat

Anitha walks 4 km towards north direction and turns left. After reaching 2 km, she turns right and walks 5 km. Which direction is she standing from the starting point?

((a))
South west
((b))
North west
((c))
North east
((d))
South east

Show Answer

Answer: ((a))

South west

The amplitude of the sound wave depends on the

((a))
Object's quality
((b))
Object's material
((c))
Object's temperature
((d))
Force with which an object is made to vibrate

Show Answer

Answer: ((a))

Object's quality

Ages of P, Q and R are in the ratio 4 : 7 : 9. 8 years ago, the age of R was Q's present age. What is the sum of their ages at present?

((a))
50
((b))
80
((c))
10
((d))
60

Show Answer

Answer: ((a))

Who among the following was the first cricketer to score a century for India in a test match?

((a))
Lala Amarnath
((b))
Deepak Shodhan
((c))
Hanumant Singh
((d))
Surinder Amarnath

Show Answer

Answer: ((a))

Lala Amarnath

Arthritis is a disease that affects the

((a))
bones
((b))
Lungs
((c))
Joints
((d))
Brain

Show Answer

Answer: ((a))

bones

Find the ODD one out from the given options

((a))
159
((b))
177
((c))
121
((d))
153

Show Answer

Answer: ((a))

159

The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. Find the ratio of the two selling prices.

((a))
52 : 53
((b))
51 : 53
((c))
52 : 55
((d))
51 : 52

Show Answer

Answer: ((a))

52 : 53

What is the power of a lens whose focal length is 1 m?

((a))
1D
((b))
2D
((c))
3D
((d))
4D

Show Answer

Answer: ((a))

Two numbers are in the ratio 4 : 5. Their LCM is 180. What is their sum?

((a))
81
((b))
90
((c))
70
((d))
72

Show Answer

Answer: ((a))

Complete the series.

168, 151, 134, 117, (…)

((a))
82
((b))
97
((c))
95
((d))
100

Show Answer

Answer: ((a))

Which of the following is NOT a base?

((a))
KOH
((b))
NH₄ OH
((c))
NaOH
((d))
C₂ H₅ OH

Show Answer

Answer: ((a))

KOH

Simplify: sin (A + B) sin (A – B)

((a))
sin² A – sin² B
((b))
cos² A – cos² B
((c))
sin² A + sin² B
((d))
cos² A

Show Answer

Answer: ((a))

sin² A – sin² B

Which of the following components imparts green colour to leaves?

((a))
Nitrogen
((b))
Chlorophyll
((c))
Urea
((d))
Water

Show Answer

Answer: ((a))

Nitrogen

What is the chemical formula of bleaching powder?

((a))
CaCl₂
((b))
CaOCl₂
((c))
CCl₄
((d))
Ca(OH)₂

Show Answer

Answer: ((a))

CaCl₂

P and Q together can complete some work in 30 days. Q and R together can do the same work in 24 days. R and P together will take 20 days to complete it. If they all work together, in how many days will the job get done?

((a))
25
((b))
8
((c))
15
((d))
16

Show Answer

Answer: ((a))

P and Q invested in a business in the ratio 5 : 13. Q withdrew his capital after 6 months. If they shared their profit in the ratio 25 : 26, for how long was P's amount used?

((a))
18 months
((b))
12 months
((c))
8 months
((d))
15 months

Show Answer

Answer: ((a))

18 months

Read the following information carefully and answer the question given below.

Eight friends—A, B, C, D, E, F, G and H are sitting around a circular table facing the centre. Each one of them likes different brands of air conditioner—Daikin, Samsung, Blue Star, Godrej, Onida, Panasonic, Voltas and Whirlpool, but not necessarily in the same order. A sits third to the right of the person who likes Whirlpool. A does not like Blue Star. E is not an immediate neighbour of H. C sits on the immediate right of the person who likes Blue Star. Neither A nor H likes Onida or a Samsung. The person who likes Onida is not an immediate neighbour of the person who likes Whirlpool. The person who likes Daikin sits second to the left of E**.**The person who likes Daikin is an immediate neighbour of the both persons who like Panasonic and Voltas. Person who likes Voltas sits third to the right of B. B does not like Onida. F is not an immediate neighbour of A. G is not an immediate neighbour of the person who likes Daikin. Only two people sit between the person who likes Voltas and H. The persons who like Onida and the Samsung are immediate neighbours of each other.

Who among the following sits on the immediate right of A?

((a))
D
((b))
H
((c))
G
((d))
B

Show Answer

Answer: ((a))

A boy is standing at a platform and sees his watch showing 3:45 PM. The hour hand points east and the minute hand points west. Which direction the boy is facing now?

((a))
South east
((b))
East
((c))
North
((d))
South west

Show Answer

Answer: ((a))

South east

The second most abundant element in the earth’s crust is

((a))
Oxygen
((b))
Iron
((c))
Aluminium
((d))
Silicon

Show Answer

Answer: ((a))

Oxygen

Which material is used as a moderator in a nuclear power plant that slows down the neutrons and makes them fit for causing fission?

((a))
Boron
((b))
Beryllium
((c))
Silicon
((d))
Graphite

Show Answer

Answer: ((a))

Boron

If 'THRASH' is coded as 'UGSZTG', how will 'HEAD' be coded?

((a))
IDBC
((b))
IECD
((c))
GDZC
((d))
GDBC

Show Answer

Answer: ((a))

IDBC

Simplify: $\sqrt {25 + 10\sqrt 6 }$ + $\sqrt {25 - 10\sqrt 6 }$

((a))
√55
((b))
2√15
((c))
√50
((d))
2√5

Show Answer

Answer: ((a))

√55

Find the wrong group of alphabets in the following series.

BZ, DV, ES, HN, JJ

((a))
ES
((b))
BZ
((c))
HN
((d))
JJ

Show Answer

Answer: ((a))

Complete the series.

1, 3, 7, 15, 31, (…)

((a))
127
((b))
63
((c))
47
((d))
39

Show Answer

Answer: ((a))

127

Which of the following reactions is commonly used in the hydrogenation of vegetable oils using a nickel catalyst?

((a))
Substitution reaction
((b))
Addition reaction
((c))
Oxidation reaction
((d))
Displacement reaction

Show Answer

Answer: ((a))

Substitution reaction

If an object starts moving and if there is no friction at all, what happens?

((a))
The object can never stop
((b))
The object stops immediately
((c))
The object stops after sometime
((d))
The object starts flying

Show Answer

Answer: ((a))

The object can never stop

Which of the following parts of the Constitution is associated with the Union territories?

((a))
Part VIII
((b))
Part VI
((c))
Part IV
((d))
Part IX

Show Answer

Answer: ((a))

Part VIII

On what principal will the difference between Compound Interest and Simple Interest at 10% rate in 3 years be equal to Rs. 620?

((a))
Rs. 24000
((b))
Rs. 25000
((c))
Rs. 20000
((d))
Rs. 18000

Show Answer

Answer: ((a))

Rs. 24000

Travelling at 3/4 of the normal speed, a person reaches his workplace 15 minutes late. How many minutes does he take usually to reach the workplace?

((a))
60 minutes
((b))
30 minutes
((c))
42 minutes
((d))
45 minutes

Show Answer

Answer: ((a))

60 minutes

Choose the figure that best represents the relationship among the classes given below.

Vegetable, Woman, Lion, Parrot

((a))
((b))
((c))
((d))

Show Answer

Answer: ((a))

Lanthanides and actinides are also called ________.

((a))
Noble gases
((b))
Normal elements
((c))
Inner transition elements
((d))
Transition elements

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Answer: ((a))

Noble gases

100

By how much is four-sevenths of 420 exceeds three-fifths of 200?

((a))
80
((b))
60
((c))
120
((d))
90

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Answer: ((a))

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