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RRB Group D / RPF Constable > RRB (Group D) - Mock Tests & Previous Year Papers > RRB Group D Mock Test - 7 Download as PDF

RRB Group D Mock Test - 7 - RRB Group D / RPF Constable

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100 Questions MCQ Test RRB (Group D) - Mock Tests & Previous Year Papers - RRB Group D Mock Test - 7

RRB Group D Mock Test - 7 for RRB Group D / RPF Constable 2023 is part of RRB (Group D) - Mock Tests & Previous Year Papers preparation. The RRB Group D Mock Test - 7 questions and answers have been prepared according to the RRB Group D / RPF Constable exam syllabus.The RRB Group D Mock Test - 7 MCQs are made for RRB Group D / RPF Constable 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB Group D Mock Test - 7 below.

Solutions of RRB Group D Mock Test - 7 questions in English are available as part of our RRB (Group D) - Mock Tests & Previous Year Papers for RRB Group D / RPF Constable & RRB Group D Mock Test - 7 solutions in Hindi for RRB (Group D) - Mock Tests & Previous Year Papers course. Download more important topics, notes, lectures and mock test series for RRB Group D / RPF Constable Exam by signing up for free. Attempt RRB Group D Mock Test - 7 | 100 questions in 90 minutes | Mock test for RRB Group D / RPF Constable preparation | Free important questions MCQ to study RRB (Group D) - Mock Tests & Previous Year Papers for RRB Group D / RPF Constable Exam | Download free PDF with solutions

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RRB Group D Mock Test - 7 - Question 1

A father said to his son, " I was as old as you are at present at the time of your birth." If the father's age is 38 years now, the son's age five years back was:

A.
14 years
B.
19 years
C.
32 years
D.
38 years

Detailed Solution for RRB Group D Mock Test - 7 - Question 1

Let the son's age 5 years back be x.
∴ Present age of son = x + 5
∴ 38 - (x + 5) = (x + 5)
or 38 - 5 - 5 = 2x
or x = 28/2 = 14 years

RRB Group D Mock Test - 7 - Question 2

If 2x+y=5, then 4x+2y is equal to

A.
5
B.
8
C.
9
D.
10

RRB Group D Mock Test - 7 - Question 3

The average age of 8 persons is increased by 2 yrs, when one of them, whose age is 24 yrs is replaced by a new person. The age of the new person is

A.
42 yrs
B.
40 yrs
C.
38 yrs
D.
45 yrs

RRB Group D Mock Test - 7 - Question 4

The area of a rectangle is 4 times the area of a square. The length of the rectangle is 90 cms and the breadth of the rectangle is 2/3 of the side of the square. What is the side of the square?

A.
10 cms
B.
20 cms
C.
9 cms
D.
Cannot be determined
E.
None of these

Detailed Solution for RRB Group D Mock Test - 7 - Question 4

Let the side of the square = x cm
Then breadth of the rectangle = 2/3 x
∴ Area of rectangle = (90 x 2/3 x) cm²
= 60 x cm²
∵ 60 x = 4x²
⇒ x = 15 cm
So the side of the square = 15 cm

RRB Group D Mock Test - 7 - Question 5

A boat has to travel upstream 20 km distance from point X of a river to point Y. The total time taken by boat in travelling from point X to Y and Y to X is 41 min 40 sec. What is the speed of the boat?

A.
66 km/hr
B.
72 km/hr
C.
48 km/hr
D.
Data inadequate

RRB Group D Mock Test - 7 - Question 6

Which one of the following statements is false ?

A.
All countries other than India have over 80% literacy.
B.
Malaysia and Korea have life expectancy higher than all other countries.
C.
Higher the adult literacy lower is the infant mortality .
D.
The life expectancy at birth in India is almost the same as that of Indonesia.

RRB Group D Mock Test - 7 - Question 7

If Neena says, "Anita's father Raman is the only son of my father-in-law Mahipal", then how is Bindu, who is the sister of Anita, related to Mahipal ?

A.
Niece
B.
Daughter
C.
Wife
D.
None of these

RRB Group D Mock Test - 7 - Question 8

The original name of Mahabharata is

A.
Katha Saritsagar
B.
Jai Samhita
C.
Rajatarangini
D.
Vraht Katha

RRB Group D Mock Test - 7 - Question 9

Choose the analogous pair.
Train : Track

A.
Idea : Brain
B.
Bullet : Barrel
C.
Water : Boat
D.
Fame : Television

RRB Group D Mock Test - 7 - Question 10

Choose the word which is least like the other words in the group .

A.
Cockroach
B.
Roundworm
C.
Amoeba
D.
Frog

RRB Group D Mock Test - 7 - Question 11

In a certain code BREAK is written as ASDBJ. How is SOLAR written in that code?

A.
RPKBS
B.
TPMBS
C.
RPKBQ
D.
TPKBQ

RRB Group D Mock Test - 7 - Question 12

Complete the analogous pair.
Plant : Botany : : Bird : ?

A.
Zoology
B.
Ornithology
C.
Anthropology
D.
Geology

RRB Group D Mock Test - 7 - Question 13

The difference between the simple interest on certain sum of money at 6% p.a for 10 yrs and at 5% p.a for 2 yrs is Rs 100. Find the sum.

A.
Rs 100
B.
Rs 200
C.
Rs 400
D.
Rs 500

RRB Group D Mock Test - 7 - Question 14

Find the number of squares in the given figure.

A.
18
B.
19
C.
25
D.
27

RRB Group D Mock Test - 7 - Question 15

What is the currency of Hong Kong?

A.
H.Pound
B.
Dinar
C.
H.Dollar
D.
Rouble

RRB Group D Mock Test - 7 - Question 16

The 'basic feature' doctrine was invented by Supreme Court in

A.
Golaknath Case
B.
Minerva Mills Case
C.
Keshwanand Bharati Case
D.
Maneka Ghandhi Case

RRB Group D Mock Test - 7 - Question 17

Five persons are sitting in a row. One of the two persons at the extreme ends is intelligent and the other one is fair. A fat person is sitting to the right of a weak person. A tall person is to the left of the fair person and the weak person is sitting between the intelligent and fat persons.
Tall person is at which place counting from right?

A.
First
B.
Second
C.
Third
D.
Fourth

RRB Group D Mock Test - 7 - Question 18

Real is the currency of

A.
Brazil
B.
Kosovo
C.
Eritrea
D.
Angola

RRB Group D Mock Test - 7 - Question 19

Under the Dual Citizenship Act, 2003, a PIO acquiring dual citizenship will not have
I. right to vote in Lok Sabha state assembly and Panchayati elections
II. right to vote in Lok Sabha and state assembly elections
III. right to equality of opportunity in employment (Art.16)
IV right to appointed as a Governor

A.
only II is true
B.
all I,II III and IV are true
C.
only III is true
D.
only II and III are true

RRB Group D Mock Test - 7 - Question 20

According to the latest government notification, the 8% Savings Bonds Scheme (RBI Bonds Scheme) is being replaced by _____ Savings Bonds Scheme

A.
7.00%
B.
7.75%
C.
7.25%
D.
7.50%

RRB Group D Mock Test - 7 - Question 21

Where do you place disc so that computer could read ?

A.
hard drive
B.
disk drive
C.
modem
D.
none of these

RRB Group D Mock Test - 7 - Question 22

Which State Government announced that it would be obtaining electric vehicles under the Central Government’s Faster Adoption and Manufacturing of (Hybrid &) Electric Vehicles in India (FAME-India) Scheme?

A.
Madhya Pradesh
B.
Punjab
C.
Haryana
D.
Karnataka

RRB Group D Mock Test - 7 - Question 23

Shovana Narayana is a reputed personality in which of the following fields?

A.
Literature
B.
Journalism
C.
Painting
D.
Classical Dance

RRB Group D Mock Test - 7 - Question 24

Which one of the following is a stored program machine?

A.
Micro-processor
B.
Calculator
C.
Analog-computer
D.
Micro-computer

RRB Group D Mock Test - 7 - Question 25

The famous Rock Garden is located in which city?

A.
Jaipur
B.
Lucknow
C.
Simla
D.
Chandigarh

RRB Group D Mock Test - 7 - Question 26

Which place is known as Queen of the Arabian Sea?

A.
Kochi
B.
Alappuzha
C.
Punjab
D.
Mumbai

RRB Group D Mock Test - 7 - Question 27

Gross domestic product is defined as the value of all-

A.
Goods produced in an economy in a year
B.
Goods plus net income from abroad
C.
Final goods produced in an economy in a year
D.
Final goods and services produced in an economy in a year

RRB Group D Mock Test - 7 - Question 28

Israel has which type of main industrial activity :

A.
Diamond cutting
B.
Oil digging
C.
Oil refining
D.
Gas energy preservation

RRB Group D Mock Test - 7 - Question 29

According to 2001 census urbanrural population ratio is about—

A.
35 : 65
B.
32 : 68
C.
28 : 72
D.
25 : 75

RRB Group D Mock Test - 7 - Question 30

Identify the first ruler of Vijaynagar who captured Goa from the Bahmanides

A.
Harihara I
B.
Harihara II
C.
Bukka I
D.
Devaraya II

RRB Group D Mock Test - 7 - Question 31

Bhana Bhata wrote

A.
Rajtarangini
B.
Shakuntala
C.
Si-yu-ki
D.
Harsh Charitra

RRB Group D Mock Test - 7 - Question 32

Super conductivity results when matter is

A.
heated to very high temperature
B.
compressed to very high pressure
C.
subjected to very low pressure
D.
cooled to very low temperature

RRB Group D Mock Test - 7 - Question 33

Why are noble gases called so?

A.
They react very quicky with other compounds.
B.
Due to their chemical inertness.
C.
They react only with carbon compounds.
D.
They can produce oxygen.

RRB Group D Mock Test - 7 - Question 34

When dispersion of white light takes place through a prism, the maximum deviation is suffered by which one of the following colours?

A.
Red
B.
Yellow
C.
Green
D.
Violet

RRB Group D Mock Test - 7 - Question 35

Read the following statment and choose the correct option.
Transfer of heat energy from a heater coil to the cooking vessel takes place through the process of

A.
convection only
B.
conduction and convection only
C.
radiation and convection only
D.
convection, conduction and radiation

RRB Group D Mock Test - 7 - Question 36

Consider the following statements :
A simple pendulum is set into oscillation. Then
1. The acceleration is zero when the bob passes through the mean position.
2. In each cycle the bob attains a given velocity twice.
3. Both acceleration and velocity of the bob are zero when it reaches its extreme position during its oscillation.
4. The amplitude of oscillation of the simple pendulum decreases with time.
Which of these statements are correct?

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

RRB Group D Mock Test - 7 - Question 37

Insect-resistant cotton plants have been genetically engineered by inserting a gene from a/an

A.
Virus
B.
Bacterium
C.
Insect
D.
Plant

RRB Group D Mock Test - 7 - Question 38

Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?

A.
Microscope
B.
Lead plate
C.
Scintillation counter
D.
Spectrophotometer

RRB Group D Mock Test - 7 - Question 39

The colour of a star is an indication of its

A.
distance from the sun
B.
luminosity
C.
distance from the earth
D.
temperature

RRB Group D Mock Test - 7 - Question 40

Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because

A.
barium allows X-rays to pass through the stomach on account of its transparency to X-rays
B.
barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination
C.
barium is a good absorber of X-rays and this helps the stomach to appear clearly incontrast with the other regions in the picture
D.
barium salts are white in colour and this helps the stomach to appear clearly in contrast with other regions in the picture

RRB Group D Mock Test - 7 - Question 41

An air bubble in water will act like a

A.
Convex mirror
B.
Conves lens
C.
Concave mirror
D.
Concave lens

RRB Group D Mock Test - 7 - Question 42

Corpus lutcum is a mass of cells found in

A.
brain
B.
ovary
C.
pancrease
D.
spleen

RRB Group D Mock Test - 7 - Question 43

The speed of light will be minium while passing through

A.
glass
B.
vacuum
C.
water
D.
air

RRB Group D Mock Test - 7 - Question 44

Mark the wrong combination

A.
James Watt: Steam Engine
B.
A.G. Bell: Telephone
C.
J.L. Baird: Television
D.
J. Perkins: Penicillin

RRB Group D Mock Test - 7 - Question 45

Which country approved the usage of Chinese currency, Yuan, for bilateral trade with China?

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

RRB Group D Mock Test - 7 - Question 46

Which of the following combination of figures best represents Young creatures, Colts and Horses?

A.
B.
C.
D.

RRB Group D Mock Test - 7 - Question 47

Find the missing character.

A.
9
B.
13
C.
15
D.
16

Detailed Solution for RRB Group D Mock Test - 7 - Question 47

In the first column, 17-11=25-19=6.
In the second column, 12-6=34-28=6.
Let the missing number in the third column be x.
Then, x-8=19-11=8 or x=16.

RRB Group D Mock Test - 7 - Question 48

Which is the first country in the world to legalise equal pay for men and women for the same work?

A.
Netherlands
B.
Iceland
C.
Finland
D.
Argentina

RRB Group D Mock Test - 7 - Question 49

If the first and the second Letter in the word 'INORDINATE' were interchanged, so also the third and the fourth, the fifth and the sixth and so on, which letter would be the eighth counting to your left ?

A.
A
B.
D
C.
N
D.
R

Detailed Solution for RRB Group D Mock Test - 7 - Question 49

After interchanging the word is
NIROIDANET
So letter eighth from the left is R

RRB Group D Mock Test - 7 - Question 50

Arrange the words given below in a meaningful sequence.
1. Never 2. Sometimes 3. Generally 4. Seldom 5. Always

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

RRB Group D Mock Test - 7 - Question 51

Which state government launched a special police force to safeguard tourists?

A.
Karnataka
B.
Andaman Nicobar
C.
Puducherry
D.
Goa

RRB Group D Mock Test - 7 - Question 52

Complete the analogous pair.
246 : 36, 16, 04 :: 357 : ?

A.
09 49 25
B.
49 16 04
C.
49 25 09
D.
36 16 04

Detailed Solution for RRB Group D Mock Test - 7 - Question 52

246 : 36, 16, 04
The pattern is:
246 : 6², 4², 2²
i.e. 246 → 642
⇒ 357 → 753
i.e. 357 : 49, 25, 09

RRB Group D Mock Test - 7 - Question 53

Which is the number that comes next in the sequence :
0, 6, 24, 60, 120, 210 ?

A.
240
B.
290
C.
336
D.
504

Detailed Solution for RRB Group D Mock Test - 7 - Question 53

0, 6, 24, 60, 120, 210, ?
1 x 2 x 3 = 6
2 x 3 x 4 = 24
3 x 4 x 5 = 60
4 x 5 x 6 = 120
5 x 6 x 7 = 210
6 x 7 x 8 = 336

RRB Group D Mock Test - 7 - Question 54

20 litres of a mixture contains 20% alcohol and the rest water. If 5 litres of water be mixed in it, the percentage of alcohol in the new mixture will be

A.
16
B.
15
C.
18
D.
None of these

Detailed Solution for RRB Group D Mock Test - 7 - Question 54

Initially, the mixture contains 4 litres of alcohol and 16 litres of water
Then the mixture contains 4 litres of alcohol and 21 litres of water
∴ Percentage of alcohol = ( 4/25 x 100) = 16%

RRB Group D Mock Test - 7 - Question 55

Which Police Station in TamilNadu has been adjudged as the best police station in India in SMART Police Stations initiative of Union Ministry of Home Affairs (MHA)?

A.
R.S. Puram Police station, Coimbatore
B.
Kattur Police station, Coimbatore
C.
Kalpakkam Police station, Kanchepuram
D.
Thiruporur Police station, Kanchepuram

RRB Group D Mock Test - 7 - Question 56

What is the 507th term of the sequence 1, -1, 2, -2, 1, -1, 2, -2, 1,...?

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

Detailed Solution for RRB Group D Mock Test - 7 - Question 56

Here 3, 7, 11, ....., terms form a series with common difference4
So, nth term is 4n - 1
If 4n - 1 = 507, n = 127
Hence, 507th term would also be 2

RRB Group D Mock Test - 7 - Question 57

Who has been conferred with the 1st Mufti Mohammad Sayeed Award for Probity in Politics and Public Life?

A.
Devendra Fadnavis
B.
Yogi Adityanath
C.
Vasundhara Raje
D.
Nitish Kumar

RRB Group D Mock Test - 7 - Question 58

The well known Padma Bhushan awardee Pandit Buddhadev Dasgupta, who passed away in 2018, was an Indian classical musician who played __________

A.
Tabla
B.
Sitar
C.
Sarod
D.
Veena

RRB Group D Mock Test - 7 - Question 59

A and B are partners in a business. A contributes 1/4 of the capital for 15 months and B received 2/3 of the profit. Find for how long B's money was used?

A.
1 year
B.
9 months
C.
6 months
D.
10 months

RRB Group D Mock Test - 7 - Question 60

Gopal spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and clothes and saves 50% of the remaining. If his monthly salary is Rs 18,400, how much money does he save every month?

A.
Rs 3,864
B.
Rs 4,264
C.
Rs 3,624
D.
None of these

RRB Group D Mock Test - 7 - Question 61

Two pipes can fill a tank in 2 hrs and 3 hrs separately, How many minutes they will take to fill the tank when both are opened together?

A.
72
B.
60
C.
48
D.
80

RRB Group D Mock Test - 7 - Question 62

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 - 7 - Question 63

Two trains each 120 metres in length, run in opposite directions with velocities of 40 m/sec and 20 m/sec respectively. How long will it take for the tail end of the two trains to meet each other from the time their engines crossed each other?

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

Detailed Solution for RRB Group D Mock Test - 7 - Question 63

Relative speed = (40 + 20) m/s
= 60 m/s
Distance covered = (120 + 120)m = 240 m
∴ Required Time = 240 x 1/60 = 4 sec

RRB Group D Mock Test - 7 - Question 64

A shopkeeper marked his goods at 20% above the cost price. He sold half the stock at the marked price, one quarter at a discount of 20% on the marked price and the rest at a discount of 40% on the marked price. His total gain is:

A.
2%
B.
4.5%
C.
13.5%
D.
None of these

RRB Group D Mock Test - 7 - Question 65

Examine the following statements:
1) Rama scored more than Rani.
2) Rani scored less than Ratna.
3) Ratna scored more than Rama.
4) Padma scored more than Rama but less than Ratna.
Who scored the highest?

A.
Rama
B.
Padma
C.
Rani
D.
Ratna

RRB Group D Mock Test - 7 - Question 66

The ratio between the present ages of P and Q is 5:8. After 4 years, the ratio between their ages will be 2:3. What is Q's age at present?

A.
36 years
B.
20 years
C.
24 years
D.
None of these

RRB Group D Mock Test - 7 - Question 67

Name the demon who took the form of an enchanted golden deer to attract Sita.

A.
Subahu
B.
Mareech
C.
Ravana
D.
Bakasura

RRB Group D Mock Test - 7 - Question 68

Which country has developed a new underwater surveillance network which will help its submarines to accurately track target vessels and will protect its interests in the Indian Ocean and South China Sea?

A.
China
B.
India
C.
Pakistan
D.
Srilanka

RRB Group D Mock Test - 7 - Question 69

Urea is prepared by the chemical reaction of :

A.
Ammonia and carbon dioxide
B.
Ammonia and sulphuric acid
C.
Acetamide and ethyl alcohol
D.
Calcium phosphate and sulphuric acid

RRB Group D Mock Test - 7 - Question 70

Polio myelitis which causes polio is spread by :

A.
Mosquito
B.
Virus
C.
Water
D.
Adulterated food

RRB Group D Mock Test - 7 - Question 71

Which of the follwing components of solar radiation cause sunburn ?

A.
Infra-red
B.
Ultraviolet
C.
Visible radiation
D.
Both (a) and B

RRB Group D Mock Test - 7 - Question 72

The colour of an opaque object is due to the colour it

A.
Absorbs
B.
Reflects
C.
Refracts
D.
Scatters

RRB Group D Mock Test - 7 - Question 73

To increase alternative current (AC) flow which one of the following is used ?

A.
Transformer
B.
Voltage rectifier
C.
Battery eliminator
D.
None of these

RRB Group D Mock Test - 7 - Question 74

A body partially floats in water when :

A.
The volume of the displaced water is greater than the volume of the body
B.
A body immersed in fluid losses as much in weight as the weight of an equal volume of the fluid
C.
The mass of the displaced water is greater than the mass of the body
D.
None of the above

RRB Group D Mock Test - 7 - Question 75

Acetyl salicylic acid is used commonly as :

A.
Pain-reliever
B.
Tear gas
C.
Chemical fertilizer
D.
Preservative

RRB Group D Mock Test - 7 - Question 76

The simple interest on a certain principal at the rate of 9.5% pa is Rs 950 for 2 yrs. How much will be the additional interest on the same amount for the same period at the rate of 10.5% per annum?

A.
Rs 75
B.
Rs 100
C.
Data inadequate
D.
None of these

Detailed Solution for RRB Group D Mock Test - 7 - Question 76

Simple interest = PRT/100
950 = P x 9.5 x 2/100
⇒ 19P = 95000
⇒ P = 95000/19 = 5000
New SI at the rate of 10.5% per annum
SI = PRT/100 = 5000 x 10.5 x 2/100 = 1050
Difference = 1050 - 950 = Rs 100

RRB Group D Mock Test - 7 - Question 77

The greatest number which when divides 989 and 1327 leaves remainders 5 and 7 respectively, is

A.
8
B.
16
C.
24
D.
32

Detailed Solution for RRB Group D Mock Test - 7 - Question 77

989 - 5 = 984
1327 - 7 = 1320
H.C.F. of 984 and 1320 is 24
Hence required number is = 24

RRB Group D Mock Test - 7 - Question 78

A person travels 3.5 km from place A to place B. Out of this distance, he travels 1.66 km on bicycle, 1.16 km on scooter and the rest on foot. What portion of the whole distance does he cover on foot?

A.
3/19
B.
4/11
C.
4/21
D.
5/6

Detailed Solution for RRB Group D Mock Test - 7 - Question 78

The portion of whole distance cover on foot is

\frac{0.68}{3.5}

=

\frac{68}{350}

=

\frac{4}{21}

RRB Group D Mock Test - 7 - Question 79

Shiny Wilson is associated with which of the following games/sports?

A.
Badminton
B.
Swimming
C.
Cricket
D.
Atheletics

RRB Group D Mock Test - 7 - Question 80

The Sports Minister launched the three-stroke Khelo India logo recently in New Delhi at the Nehru Stadium. The logo has been designed by ________

A.
Omnicon Group
B.
Ogilvy India
C.
Publicis Group
D.
Interpublic Group

RRB Group D Mock Test - 7 - Question 81

Which state hosted the 2nd edition of the Elite Women’s National Boxing Championship?

A.
Haryana
B.
Punjab
C.
Manipur
D.
Mizoram

RRB Group D Mock Test - 7 - Question 82

Below is given statement followed by three conclusions numbered I, II and III. You have to consider the statement and the following conclusions and decide which of the conclusions is follows in the statement :
Statements :a. Some birds are balloons.
b. Some balloons are balls.
c. All balls are books.
Conclusions:I. Some birds are balls.
II. Some balloons are books.
III. Some books are birds.

A.
if only II follows
B.
if only I follows
C.
if only III follows
D.
None of these

RRB Group D Mock Test - 7 - Question 83

A man can do a job in 15 days. His father takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together?

A.
Less than 6 days
B.
Exactly 6 days
C.
Approximately 6.4 days
D.
More than 10 days

RRB Group D Mock Test - 7 - Question 84

A circus tent is cylindrical up to a height of 5m and conical above it. If its diamter is 105 m and slant height of the conical portion is 53 m. The area of the canvas used to build the tent is

A.
10395 m²
B.
13095 m²
C.
10400 m²
D.
9775 m²

Detailed Solution for RRB Group D Mock Test - 7 - Question 84

Given height of cylinder (h) = 5m
Deameter of conical part d = 105m
So, radius of conical part (r) = radius of cylindrical part (r) = 52.5m
Slant height of conical portion (l) = 53m
Area of canvas required = CSA of cylindrical part + CSA of conical part

RRB Group D Mock Test - 7 - Question 85

Two towns A and B are 100 km apart. A school is to be built for 100 students of town A. Expenditure on transport is Rs. 1.20 per km per student. If the total expenditure on transport by all 130 students is to be as small as possible, then the school should be built at :

A.
33 km from town A
B.
33 km from town B
C.
Town A
D.
Town B

RRB Group D Mock Test - 7 - Question 86

sin 50^o- sin 70^o+ sin 10^o is equal to

A.
1
B.
0
C.
1/2
D.
2

RRB Group D Mock Test - 7 - Question 87

Which of the following are at present members of the Trusteeship Council of the UN?

A.
U.S.A, Canada, China, Russia, France
B.
U.K., Japan, China, Canada, U.K.
C.
U.S.A., France, Russia, U.K., Japan
D.
U.S.A., China, France, Russia, U.K.

RRB Group D Mock Test - 7 - Question 88

If first letter is interchanged by second, third by fourth, fifth by sixth and so on in the word HABILITATE then which will be the 8th letter from your left in the new word?

A.
L
B.
E
C.
T
D.
A

RRB Group D Mock Test - 7 - Question 89

Each of the following questions consists of two sets of figures. Figures 1,2,3 and 4 constitute the Problem Set while figures A,B,C,D and E constitute the Answer Set. There is a definite relationship between figures 1 and 2. Establish a similar relationship between figures 3 and 4 by selecting a suitable figure from the Answer Set .

A.
B.
C.
D.

RRB Group D Mock Test - 7 - Question 90

In the following problem, out of the five figures marked 1, 2, 3, 4, and 5, four are similar in a certain manner. However one figure is not like the other four. Choose the figure which is different from the rest.

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

Detailed Solution for RRB Group D Mock Test - 7 - Question 90

Only if fig. (4), all the leaves have their outer halves shaded.

RRB Group D Mock Test - 7 - Question 91