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RRB Group D Mock Test - 3 - Railways

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100 Questions MCQ Test - RRB Group D Mock Test - 3

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RRB Group D Mock Test - 3 - Question 1

The average age of a man and his son is 33 years. The ratio of their ages is 8 : 3 respectively. What is the man's age?

A.
48 years
B.
44 years
C.
42 years
D.
50 years

Detailed Solution for RRB Group D Mock Test - 3 - Question 1

Total age of the father and the son
= 2 x 33
= 66 years
Ratio in Father's age and son's age
= 8 : 3
∴ Father's age = 8 x 66/8 + 3
= 48 years

RRB Group D Mock Test - 3 - Question 2

If x + y = 6 and 3x - y = 4, then x - y is equal to

A.
-1
B.
0
C.
2
D.
4

Detailed Solution for RRB Group D Mock Test - 3 - Question 2

x + y = 6
⇒ y = 6 - x
Now, 3x - y = 4
or 3x - (6 - x) = 4
or 3x - 6 + x = 4
or 4x = 10
or x = 5/2
∴ y = 6 - 5/2 = 7/2
∴ x - y = 5/2 - 7/2 = -1

RRB Group D Mock Test - 3 - Question 3

Second most populous country in the world?

A.
China
B.
India
C.
USA
D.
Indonesia

RRB Group D Mock Test - 3 - Question 4

The area of the circumcircle of the equilateral triangle whose one side lies on the diagonal of a square with side 4 cm is (use π = 3.14)

A.
28.37 cm²
B.
19.76 cm²
C.
16.75 cm²
D.
33.52 sq.cm

RRB Group D Mock Test - 3 - Question 5

Total expenses of a boarding house are partly fixed and partly varying linearly with the number of boarders. The average expenses per boarder is Rs. 700 when there are 25 boarders and Rs. 600 when there are 50 boarders. What is the average expense per boarder when there are 100 boarders?

A.
550
B.
580
C.
540
D.
570

Detailed Solution for RRB Group D Mock Test - 3 - Question 5

Let x be the fixed cost and y the variable cost
17500 = x + 25y .....(i)
30000 = x + 50y .....(ii)
Solving the equation (i) and (ii), we get
X = 5000, y = 50
Now if the average expense of 100 boarders be 'A'
Then 100 x A = 5000 + 500 x 100 ⇒ A = 550

RRB Group D Mock Test - 3 - Question 6

Pointing to Meena, Swarup says "she is the daughter of my grandfather's only child". How is Meena related to Swarup?

A.
Cousin
B.
Sister
C.
Aunt
D.
Cannot be determined

Detailed Solution for RRB Group D Mock Test - 3 - Question 6

Swarup's grandfather's only child means mother or father of Swarup.
Meena is daughter swarup's mother or father.
Therefore, Meena is sister of Swarup.

RRB Group D Mock Test - 3 - Question 7

A boat takes 9 hr to travel a distance upstream and takes 3 hr to travel the same distance downstream. If speed of the boat in still water is 4 km/hr, what is the velocity of the stream?

A.
4 km/hr
B.
3 km/hr
C.
6 km/hr
D.
2 km/hr

RRB Group D Mock Test - 3 - Question 8

'India of our dreams' is a book written by

A.
Dr.Rajendra Prasad
B.
Dr.S.Radhakrishnan
C.
Dr.C.Subramaniam
D.
M.V.Kamath

RRB Group D Mock Test - 3 - Question 9

Choose the analogous pair.
Throw : Ball

A.
Shoot : Trigger
B.
Pat : Dog
C.
Bell : Cat
D.
Finish : Furniture

RRB Group D Mock Test - 3 - Question 10

Complete the analogous pair.
Touch : Feel : : Greet : ?

A.
Smile
B.
Manners
C.
Acknowledge
D.
Success

RRB Group D Mock Test - 3 - Question 11

Choose the numeral pair which is different from others .

A.
8 - 27
B.
125 - 216
C.
343 - 512
D.
1009 - 1331

RRB Group D Mock Test - 3 - Question 12

If CABLE = 96372 and RISK - 8415, what word is made by 37265 ?

A.
TRICK
B.
BLEAK
C.
BLANK
D.
TABLE

RRB Group D Mock Test - 3 - Question 13

In what time will Rs. 500 give Rs. 50 as interest at the rate of 5% per annum simple interest?

A.
2 years
B.
3 years
C.
4 years
D.
5 years

Detailed Solution for RRB Group D Mock Test - 3 - Question 13

SI = 50
P = 500
R = 5% pa.
SI = P x R x T/100
⇒ 50 = 50 x 5 x T/100
⇒ T = 2 years

RRB Group D Mock Test - 3 - Question 14

Among six members P, Q, R, G, S and M sitting along a circle facing centre.
(1) R is between G and P
(2) M is between P and S
What is the position of Q?

A.
Cannot be determined
B.
Between R and S
C.
To the immediate left of G
D.
To the immediate right of S

Detailed Solution for RRB Group D Mock Test - 3 - Question 14

In the question sitting directions are not given.
So positions of six members are either ,

So answer is :- cannot be determined.

RRB Group D Mock Test - 3 - Question 15

Find the minimum number of straight lines required to make the given figure.

A.
16
B.
17
C.
18
D.
19

RRB Group D Mock Test - 3 - Question 16

Which of the following is a warm ocean current?

A.
Kuroshio
B.
Peruvian
C.
Labrador
D.
None of these

RRB Group D Mock Test - 3 - Question 17

Three positions of a dice are shown below. When number 'one is the top, what no. will be at the bottom?

A.
3
B.
5
C.
4
D.
6

RRB Group D Mock Test - 3 - Question 18

Which is the Currency of Liberia?

A.
Buchanan
B.
Harper
C.
Yekepa
D.
Monrovia

RRB Group D Mock Test - 3 - Question 19

Which one of the following political theories advocates the withering away of the State?

A.
Capitalism
B.
Fascism
C.
Marxism
D.
Democratic Socialism

RRB Group D Mock Test - 3 - Question 20

Which one of the following is true about a Presidential form of Government?

A.
The President can be removed by the Legislature through impeachment .
B.
The President cannot be removed by the Legislature .
C.
The President can dissolve the Lower House of the Legislature .
D.
None of the above

RRB Group D Mock Test - 3 - Question 21

Point B is 3 metres North of point A. Point C is 3 metres West of point B. point D is 5 metres South of point C. Point E is 7 metres East of point D. In which of the following directions is point E, with reference to point B ?

A.
East
B.
South-East
C.
North-East
D.
South

RRB Group D Mock Test - 3 - Question 22

How much loan amount has been sanctioned by NABARD to Odisha under the Rural Infrastructure Development Fund (RIDF) for irrigation and rural bridge projects of the states?

A.
Rs 342.21 crore
B.
Rs 352.31 crore
C.
Rs 362.41 crore
D.
Rs 372.51 crore

RRB Group D Mock Test - 3 - Question 23

According to the Central Statistics Office’s (CSO’s) latest estimate for India’s GDP growth rate, Indian economy is expected to grow at slower ____ percent in 2017-18 compared to the 7.1 per cent in 2016-17

A.
6.9%
B.
6.5%
C.
6.8%
D.
6.6%

RRB Group D Mock Test - 3 - Question 24

Who was known as the Iron Man of India?

A.
Jawaharlal Nehru
B.
Sardar Vallabhbhai Patel
C.
Govind Ballabh Pant
D.
Subhas Chandra Bose

RRB Group D Mock Test - 3 - Question 25

National Archives is located at?

A.
Calcutta
B.
Dehradun
C.
Bombay
D.
New Delhi

RRB Group D Mock Test - 3 - Question 26

Communication between the operating system and a peripheral device such as a CD-ROM drive or a printer is facilitated by a(n):

A.
spooler.
B.
network card.
C.
device driver.
D.
application program interface

RRB Group D Mock Test - 3 - Question 27

LAN means

A.
Land Acquisition Notification;
B.
Local Area Network;
C.
Large Area Network;
D.
Low Area Network

RRB Group D Mock Test - 3 - Question 28

Disinvestment is-

A.
Offloading of shares of private companies to government
B.
Offloading of government shares to private companies
C.
Increase in investment
D.
Closing down of business concern

RRB Group D Mock Test - 3 - Question 29

When prices are rising, which of the following steps should the Government adopt to bring about reduction in prices?

A.
Reduce the rate of tax on personal incomes
B.
Increase Governmental spending
C.
Lower the interest rates
D.
Increase the availability of good.

RRB Group D Mock Test - 3 - Question 30

Indian national congress was formed in?

A.
1880
B.
1882
C.
1885
D.
1890

RRB Group D Mock Test - 3 - Question 31

Which one of the following group of the States has correct descending order according to the literacy rate in India ?

A.
Maharashtra ,Goa, Kerala,Mizoram
B.
Kerala ,Mizoram,Goa, Maharashtra .
C.
Kerala,Goa,Maharashtra ,Mizoram .
D.
Mizoram ,Goa,Kerala,Maharashtra .

RRB Group D Mock Test - 3 - Question 32

Lord Buddha preached his first sermon at:

A.
Lumbini
B.
Sarnath
C.
Sanchi
D.
Gaya

RRB Group D Mock Test - 3 - Question 33

Ibn Batutah visited during the reign of

A.
Muhammad bin Tughlaq
B.
Sikandar Lodhi
C.
Alauddin Khilji
D.
Mir Qasim

RRB Group D Mock Test - 3 - Question 34

Red root of sugarcane is caused by

A.
Bacteria
B.
Fungus
C.
Virus
D.
Nematode

RRB Group D Mock Test - 3 - Question 35

The circulation of ocean water occurs

A.
Only laterally
B.
Only vertically
C.
Both laterally and vertically
D.
Neither laterally nor vertically

RRB Group D Mock Test - 3 - Question 36

Consider the following statements regarding the waves associated with a moving electron (Matter waves) :
1. Matter waves can move with a velocity greater than that of light.
2. They can exhibit the phenomenon of interference.
3. They represent the probability of finding the electrons at different points in space.
4. They are elastic waves.
Which of these statements are correct?

A.
1, 2 and 3
B.
2, 3 and 4
C.
1, 3 and 4
D.
1, 2, 3 and 4

RRB Group D Mock Test - 3 - Question 37

Nine Degree Channel separates

A.
Car Nicobar and great Nicobar
B.
Lakshdweep and Minicoy
C.
Little Andaman and Car Nicobar
D.
North Andaman and South Andaman

RRB Group D Mock Test - 3 - Question 38

Assertion A : The temperature of a metal wire rises when an electric current is passed through it.
Reason R : Collision of metal atoms with each other releases heat energy.

A.
Both A and R are true and R is the correct explanation of A
B.
Both A and R are true but R is not the correct explanation of A
C.
A is true but R is false
D.
A is false but R is true

RRB Group D Mock Test - 3 - Question 39

Living organisms require at least 27 elements of which 15 are metals. Among these, those required in major quantities include

A.
potassium, manganese, molybdenum and calcium
B.
potassium, molybdenum, copper and calcium
C.
potassium, sodium, magnesium, copper and managanese
D.
All of the above

RRB Group D Mock Test - 3 - Question 40

Hybridoma technology is a new biotechnological approach for commercial production of

A.
monoclonal antibodies
B.
interferon
C.
antibiotics
D.
alcohol

RRB Group D Mock Test - 3 - Question 41

Consider the following statements regarding a motor car battery:
1. The voltage is usually 12 V.
2. Electrolyte used is hydrochloric acid.
3. Electrodes are lead and copper.
4. Capacity is expressed in ampere-hour.
Which of the above statements are correct?

A.
1 and 2
B.
2 and 3
C.
3 and 4
D.
1 and 4

RRB Group D Mock Test - 3 - Question 42

Which one of the following has the highest fuel value?

A.
Hydrogen
B.
Charco
C.
Natural gas
D.
Gasoline

RRB Group D Mock Test - 3 - Question 43

Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

A.
Aluminium
B.
Chromium
C.
Nickel
D.
Tungsten

RRB Group D Mock Test - 3 - Question 44

"The final Agent Orange raid in Vietnam took place in 1970 areas have begun to bloom again. But 19 years after the war's end, it seems plain that Agent Orange is killing and maiming human beings, something it never intended to do. The apparent toxic fallout from those clouds is a crop of human miseries including cancers, miscarriages and birth defects - that may persist for decades."
The offensive substance referred to in this quotationis

A.
DDT used as insecticide
B.
a complex mixture of herbicides and weedicides used to increase agricultural output in the South Vietnam under the U.S. aid programme
C.
a complex mixture of DDT and other insecticides used as aerial sprays for protection against malaria and other tropical diseases
D.
dioxin used as defoliants.

RRB Group D Mock Test - 3 - Question 45

Which one of the following is monogamous?

A.
Wolf
B.
Walrus
C.
Seal
D.
Deer

RRB Group D Mock Test - 3 - Question 46

According to a South China Morning Post (SCMP) report, China is planning to build its second foreign naval base in which country?

A.
Afghanistan
B.
Pakistan
C.
India
D.
Nepal

RRB Group D Mock Test - 3 - Question 47

Find the missing character.

A.
168
B.
178
C.
188
D.
190

RRB Group D Mock Test - 3 - Question 48

The UNESCO has recently included the “bird language”, prevalent in which country, in its list of Intangible Cultural Heritage citing it as an endangered part of world heritage?

A.
Turkey
B.
Egypt
C.
Lebanon
D.
Yemen

RRB Group D Mock Test - 3 - Question 49

Alexander Fleming discovered

A.
Penicillin
B.
X-Ray
C.
Streptomycene
D.
Telephone

RRB Group D Mock Test - 3 - Question 50

In which of the given options, there is one letter leaving two letters of the alphabet in order after the letter placed at odd numbered places and leaving one letter of the alphabet in order after the letters positioned at even numbered letters.

A.
ADFIKN
B.
CFHKLO
C.
DFIKNP
D.
BEGJLV

RRB Group D Mock Test - 3 - Question 51

Arrange the words given below in a meaningful sequence.
1. Police 2. Punishment 3. Crime 4. Justice 5. Judgement

A.
1, 2, 3, 4, 5
B.
3, 1, 2, 4, 5
C.
3, 1, 4, 5, 2
D.
5, 4, 3, 2, 1

RRB Group D Mock Test - 3 - Question 52

What will come in place of the question mark (?) in the following series of English alphabet?
AE CG EI GK?

A.
MI
B.
IM
C.
HM
D.
IL

Detailed Solution for RRB Group D Mock Test - 3 - Question 52

RRB Group D Mock Test - 3 - Question 53

select the correct combination of mathematical signs to replace * sign to balance the given equation.
1*111*111*12321

A.
=xx
B.
xx=
C.
x=x
D.
xx÷

Detailed Solution for RRB Group D Mock Test - 3 - Question 53

1 × 111 × 111 = 111 × 111 = 12321

RRB Group D Mock Test - 3 - Question 54

Rajive , a rice merchant , sells different varieties of rice . He mixes one varity of rice costing Rs.16 per kg with another varity of rice costing Rs.21 per kg. In what ratio should these two verities of rice be mixed such that the resultant mixture, upon selling at Rs. 21.45 per kg , will gives a 10% profit?

A.
2 : 9
B.
3 : 7
C.
1 : 3
D.
2 : 3

RRB Group D Mock Test - 3 - Question 55

Which State’s Chief Minister had directed the state irrigation department to implement the integrated solar-based micro irrigation scheme in all its districts?

A.
Punjab
B.
Haryana
C.
Gujarat
D.
Karnataka

RRB Group D Mock Test - 3 - Question 56

In an effort to empower persons with disabilities, the government of India has launched _______ accessible websites for Divyangs on January 19, 2017

A.
150
B.
100
C.
50
D.
75

RRB Group D Mock Test - 3 - Question 57

Complete the analogous pair.
64 : 8 :: 16 : 4 :: ? : 2

A.
6
B.
3
C.
4
D.
5

RRB Group D Mock Test - 3 - Question 58

In the following question number-series is given in which one term is wrong. Find out the wrong term.
5, 12, 19, 33, 47, 75, 104.

A.
33
B.
47
C.
75
D.
104

Detailed Solution for RRB Group D Mock Test - 3 - Question 58

5, 12, 19, 33, 47, 75, 104
The sequence is:
12 - 5 = 7, 19 - 12 = 7, 33 - 19 = 14, 47 - 33 = 14, 75 - 47 = 28 , 104 - 75 = 29
Hence, 104 does not fit in this series

RRB Group D Mock Test - 3 - Question 59

The square of a positive integer added to its fourth part is equal to 147. The number is

A.
16
B.
24
C.
12
D.
8

RRB Group D Mock Test - 3 - Question 60

Three friends X,Y and Z started a partnership business investing money in the ratio of 5 : 4 : 2, respectively for a period of 3 years. What is the amount received by X as the share in the total profit? (I) Total amount invested in the business is Rs. 22000 (II) profit was distributed after a period of 2 years (III) the average amount of profit earned per year is Rs. 2750

A.
I only
B.
II only
C.
III only
D.
I or III only

RRB Group D Mock Test - 3 - Question 61

Due to the increase in the price of edible oil in the market by 25% the consumption of this oil in a certain family is decreased by 12%. The expenditure of the family on edible oil is increased by

A.
13%
B.
10%
C.
37%
D.
30%

RRB Group D Mock Test - 3 - Question 62

NK Trikha who passed away recently was a veteran ___________

A.
Journalist
B.
Poet
C.
Actor
D.
Scientist

RRB Group D Mock Test - 3 - Question 63

Who among the following has recently been appointed as a Government interlocutor to hold talks with the United Liberation Front of Assam (ULFA)?

A.
A. S. Syali
B.
Rameshwar Nath Kao
C.
Anil Dhasmana
D.
AB Mathur

RRB Group D Mock Test - 3 - Question 64

One pipe can fill a tank 3 times as fast as another pipe. If the 2 pipes together can fill the tank in 36 minutes, the slower pipe alone will be able to fill the tank in

A.
81 minutes
B.
108 minutes
C.
144 minutes
D.
192 minutes

Detailed Solution for RRB Group D Mock Test - 3 - Question 64

Let the slower pipe alone fill the tank in x minutes
Then, faster pipe will fill in x/3 minutes
∴ 1/x + 3/x = 1/36
⇒ 4/x = 1/36
⇒ x = 144 min

RRB Group D Mock Test - 3 - Question 65

The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is :

A.
200 m
B.
225 m
C.
245 m
D.
250 m

Detailed Solution for RRB Group D Mock Test - 3 - Question 65

Speed = (45 x 5/18 )m/sec = ( 25/2 )m/sed
Time = 30 sec
Let the length of bridge be x metres
Then, 130 + x/30 = 25/2
⇒ 2(130 + x) = 750
⇒ x = 245m

RRB Group D Mock Test - 3 - Question 66

Find out from amongst the four alternatives as to how the pattern would appear when the transparent sheet is folded at the dotted line.

A.
B.
C.
D.

RRB Group D Mock Test - 3 - Question 67

By selling an article at 2/5 of the marked price, there is a loss of 25%. The ratio of the marked price and the cost price of the article is:

A.
2:5
B.
5:2
C.
8:15
D.
15:8

Detailed Solution for RRB Group D Mock Test - 3 - Question 67

RRB Group D Mock Test - 3 - Question 68

In a row of trees, one tree is fifth from either end of the row. How many trees are there in the row?

A.
8
B.
9
C.
10
D.
11

Detailed Solution for RRB Group D Mock Test - 3 - Question 68

Rank from left end + Rank from right end - common Rank
⇒ 5 + 5 - 1 = 9

RRB Group D Mock Test - 3 - Question 69

Two numbers are in the ratio of 5:9 with the addition of 9 in each,their ratio becomes 16:27. Then one of the two numbers would be

A.
66
B.
77
C.
88
D.
99

RRB Group D Mock Test - 3 - Question 70

Who was the tenth and last Guru of Sikhs?

A.
Guru Arjan Dev
B.
Guru Ram Das
C.
Guru Nanak Dev
D.
Guru Gobind Singh

RRB Group D Mock Test - 3 - Question 71

Which country’s Navy successfully conducted a test fire of a naval cruise missile named ‘Harba’?

A.
Pakistan
B.
Afghanistan
C.
Iran
D.
Iraq

RRB Group D Mock Test - 3 - Question 72

Copper wries are generally used for electrical power transmission instead of iron wires because

A.
Copper is a better conductor than iron
B.
Copper is cheaper than iron
C.
Copper can take higher power than iron
D.
Copper is lighter than iron

RRB Group D Mock Test - 3 - Question 73

If a magnet is broken into two pieces, then

A.
Each will remain a magnet with N-pole at one end and S-pole at the other end
B.
Both pieces will lose their magnetism
C.
The longer piece will behave as a bar magnet
D.
One piece will have N-pole on both ends, the other will have S-pole on both ends

RRB Group D Mock Test - 3 - Question 74

Which of the following is a physical change?

A.
Oxidation
B.
Reduction
C.
Sublimation
D.
Decomposition

RRB Group D Mock Test - 3 - Question 75

The main endocrine gland present in the human body is :

A.
Adrenal gland
B.
Pituitary gland
C.
Thyroid gland
D.
Pancreas gland