Question for DFCCIL Executive (Signal & Telecommunication) 2026 - Quiz / Questions / MCQ

Objective Questions

Latest DFCCIL Executive Signal & Telecommunication Exam Question (Objective Questions), MCQ in English

Subjects : Mathematics / Numerical Ability, General Awareness, General Science, Logical Reasoning /General Intelligence, DFCCIL

Question Bank DFCCIL Executive Signal & Telecommunications CB-1 Exam - English

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Mathematics / Numerical Ability

Question 1Single Answer

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

A
51:52
B
52:53
C
51:53
D
52:55

Question 2Single Answer

Which of the following numbers is irrational ?

A
√49
B
0.125
C
√2
D
22/7

Question 3Single Answer

356 x 936 – 356 x 836 = ?

A
35600
B
34500
C
9630
D
93600

Question 4Single Answer

Arrange in descending order: 5/8, 7/10, 3/4

A
3/4 > 7/10 > 5/8
B
7/10 > 3/4 > 5/8
C
3/4 > 5/8 > 7/10
D
5/8 > 7/10 > 3/4

Question 5Single Answer

What is (3^{^}{4} times 9^{^}{2}) ?

A
3⁶
B
3⁸
C
3¹⁰
D
9⁶

Question 6Single Answer

If 3⁴X^-2 = 729, then find the value of X.

Question 7Single Answer

Convert 0.6 into fraction ?

A
3/5
B
2/3
C
4/5

Question 8Single Answer

The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?

A
169
B
36
C
196
D
Can not say

Question 9Single Answer

If a and b are positive integers, such that ab = 125, then (a-b)^a+b-4= ?

A
16
B
25
C
28
D
30

Question 10Single Answer

If x^*y = x² + y² – xy, then value of 9^*11 is

A
93
B
103
C
60.5
D
121

Question 11Single Answer

Which is greater ?

A
15/16
B
17/18
C
Equal
D
Cannot compare

Question 12Single Answer

If sum of two numbers is 42 and their product is 437, then find their difference.

Question 13Single Answer

Write the 44000 in Roman numerals

A
XLI
B
XLVI
C
XLIV
D
XLVIC

Question 14Single Answer

Convert 0.0909… into fraction ?

A
1/11
B
9/11
C
1/9
D
9/10

Question 15Single Answer

What is (98 times 102) ?

A
9996
B
10000
C
10096
D
10196

Question 16Single Answer

Which is smaller ?

A
9/11
B
7/9
C
Equal
D
Cannot compare

Question 17Single Answer

Convert 0.5777… into fraction ?

A
26/45
B
52/90
C
13/22
D
5/9

Question 18Single Answer

Convert 0.81 into fraction ?

A
81/100
B
9/10
C
8/9
D
9/11

Question 19Single Answer

(63)² – (12)² =?

A
3528
B
3852
C
3582
D
3825

Question 20Single Answer

Which is greater ?

A
13/17
B
11/14
C
Equal
D
Cannot compare

Question 21Single Answer

16.928 + 24.7582

5.015 =?

A
20
B
24
C
22
D
26

Question 22Single Answer

Convert 0.75 into fraction ?

A
3/4
B
2/3
C
4/5
D
5/8

Question 23Single Answer

Which is greater ?

A
11/13
B
12/15
C
Equal
D
Cannot compare

Question 24Single Answer

Two numbers are co-prime if their HCF is ?

A
0
B
1
C
Same
D
Prime

Question 25Single Answer

Product of all factors of 10 is ?

A
10
B
100
C
1000
D
10000

Question 26Single Answer

How many real numbers exist between 2 and 3 ?

A
1
B
10
C
Infinite
D
None

Question 27Single Answer

Which number is divisible by 11 ?

A
12345
B
1331
C
1234
D
1213

Question 28Single Answer

What is the unit digit of (7^{245}) ?

Question 29Single Answer

What is (64^{^}{2/3}) ?

A
4
B
8
C
16
D
32

Question 30Single Answer

What is (125^{^}{1/3}) ?

General Awareness

Question 31Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 32Single Answer

Kurukshetra a journal on rural development is published by

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 33Single Answer

Devaluation of a currency means

A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market

Question 34Single Answer

In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry

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

Question 35Single Answer

"Who said, 'India was a parrot unto itself'?

A
Malik Muhammad Joyce
B
Raskhan
C
Rich Khusrow
D
Rich Hasan

Question 36Single Answer

What was the real name of Amir Khusro?

A
Muhammad Hasan
B
Muhammad Hussain
C
Muhammad Khusrow
D
Muhammad Mine

Question 37Single Answer

Which is the national game of Bhutan ?

A
badminton
B
basketball
C
football
D
archery

Question 38Single Answer

What is the national game of the United States of America ?

A
water polo
B
Rugby
C
Polo
D
baseball

Question 39Single Answer

When was the Constituent Assembly of India formed?

A
1946
B
1947
C
1948
D
1950

Question 40Single Answer

Who was the Chairman of the Drafting Committee of the Indian Constitution?

A
Dr. Rajendra Prasad
B
Dr. B.R. Ambedkar
C
Jawaharlal Nehru
D
Sardar Vallabhbhai Patel

Question 41Single Answer

Which country surpassed Japan to become the world's largest creditor nation after 34 years?

A
China
B
Germany
C
United States
D
Switzerland

Question 42Single Answer

The Perito Moreno Glacier, recently in the news, is located in which country?

A
Chile
B
Argentina
C
Peru
D
Ecuador

Question 43Single Answer

Which state in India mandated weekly ethics classes based on Thirukkural for students from Classes VI to XII?

A
Kerala
B
Tamil Nadu
C
Karnataka
D
Andhra Pradesh

Question 44Single Answer

Who became the first New Zealander to reach space after flying on the Blue Origin NS-32 suborbital spaceflight?

A
Peter Beck
B
Mark Rocket
C
Richard Pearse
D
William Pickering

Question 45Single Answer

Which Indian state celebrated the annual School Praveshanolsavam on June 2, 2025?

A
Tamil Nadu
B
Kerala
C
Karnataka
D
Maharashtra

General Science

Question 46Single Answer

In ruby laser, the stimulated emission is due to transition from

A
metastable state to any lower state
B
any higher state of lower state
C
metastable state to ground state
D
any higher state to ground state

Question 47Single Answer

A direct current I flows along the length of an infinitely long straight thin walled pipe, then the magnetic field is

A
uniform throughout the pipe not zero
B
zero only along the axis of the pipe
C
zero at any point inside the pipe
D
maximum at the centre and minimum at the edge

Question 48Single Answer

convex lens made of glass has focal length 0.15m in air. If the refractive index of glass is 3/2, and that of water is 4/3 the focal length of lens when immersed in water is

A
0.45 m
B
0.15 m
C
0.30 m
D
0.6 m

Question 49Single Answer

Two sources are said to be coherent if they produce waves

A
having a constant phase difference
B
of equal wavelength
C
of equal speed
D
having same shape of wavefront

Question 50Single Answer

Three resistors 1 Ω, 2 Ω, 3Ω resistor a 3 V battery is connected. The current through 3 Ω resistor is -

A
0.75 A
B
1 A
C
2 A
D
1.5 A

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General Science

Question 51Single Answer

10^-6 M NaOH is diluted 100 times. The pH of the diluted base is

A
between 7 and 8
B
between 5 and 6
C
between 6 and 7
D
between 10 and 11

Question 52Single Answer

In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current to be passed is

A
1.93 A
B
9.65 A
C
19.3 A
D
0.965 A

Question 53Single Answer

The one which decreases with dilution is

A
molar conductance
B
conductance
C
specific conductance
D
equivalent conductance

Question 54Single Answer

Vapour pressure of pure ‘A’ is 70 mm of Hg at 25^oC. It forms an ideal solution with ‘B’ in which mole fraction of A is 0.8. if the vapour pressure of the solution is 84 mm of Hg at 25^oC, the vapour pressure of pure ‘B’ at 25^oC is

A
28 mm
B
56 mm
C
70 mm
D
140 mm

Question 55Single Answer

A 6% solution of urea is isotonic with

A
1 M solution of glucose
B
0.05 M solution of glucose
C
6% solution of glucose
D
25% solution of glucose

Question 56Single Answer

The respiratory quotient during cellular respiration would depend on

A
the nature of enzymes involved
B
the nature of the substrate
C
the amount of carbon dioxide released
D
the amount of oxygen utilised

Question 57Single Answer

Which of the following is not a green - house gas ?

A
Water vapour
B
Carbon monoxide
C
Methane
D
Oxygen

Question 58Single Answer

Both husband and wife have normal vision though their fathers were colorblind and mothers did not have any gene for colorblindness. The probability of their daughters becoming colorblind is

A
50%
B
75%
C
0%
D
25%

Question 59Single Answer

An animal, which has both exoskeleton and endoskeleton structures is a

A
fresh-water mussel
B
tortoise
C
frog
D
jelly fish

Question 60Single Answer

Identify the group, which includes animals all of which give birth to young ones directly?

A
Dolphin, kangaroo, bat, cat
B
Platypus, penguin, bat, hippopotamus
C
shrew, bat, kiwi, car
D
Lion, whale, ostrich, bat

Logical Reasoning /General Intelligence

Question 61Single Answer

How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?

A
Two
B
Three
C
Five
D
Four
E
None of these

Question 62Single Answer

Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is

A
True
B
False
C
Uncertain
D
None

Question 63Single Answer

If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.

Question 64Single Answer

How many such letters are there in the word ORIENTAL each of which is as far away from the beginning of the word as when they are arranged alphabetically?

A
None
B
One
C
Two
D
Three
E
More than three

Question 65Single Answer

How many such pairs of letters in the word CREDIT each of which has as many letters between them in the word as in the English alphabet?

A
None
B
One
C
Two
D
Three
E
More than three

Question 66Single Answer

How many meaningful words can be made from the letters ‘LMEA’ using each letter only once in each word?

A
None
B
One
C
Two
D
Three
E
More than three

Question 67Single Answer

If it is possible to make only one meaningful word with the first, the second, the seventh and the eighth letters of the word TEMPORAL, which of the following will be the first letter of that word? If more than one such word can be made, give ‘Y’ as the answer and if no such word can be made, give ‘X’ as the answer.

Question 68Single Answer

If the letters of the word HANDOVER are arranged alphabetically from left to right how many letters will remain at the same position?

A
None
B
One
C
Two
D
Three
E
More than three

Question 69Single Answer

How many such pairs of letters are there in the word EXCURSION, each of which has as many letters between them in the word as they have in the English alphabet?

A
None
B
One
C
Two
D
Three
E
More than three

Question 70Single Answer

If it is possible to make only one meaningful word with the first, the second, the third, the sixth and the eighth letters of the word DEVIATION first letter of that word is your answer? If more than one such word can be made formed your answer is ‘A’ and if no such word can be formed your answer is ‘B’.

Question 71Single Answer

If each alternate letter beginning with the first in the word WORKING is replaced by the next letter in the English alphabet and each of the remaining letters is replaced by the previous letter in the English alphabet, which of the following will be the fourth from the right and after the replacement ?

A
N
B
Q
C
J
D
M
E
None of these

Question 72Single Answer

How many pairs of letters are there in the word ‘SHIFTED’ each of which has as many letters between its two letters as there are between in the English alphabet?

A
None
B
One
C
Two
D
Three
E
None of these

Question 73Single Answer

Statement: Is common currency a necessary ingredient for Europe’s growth ?
Arguments :
I. Yes, A common currency will enable entire Europe to market itself as one .
II. No, Similar experiments by Latin America countries have not affected their economies .

A
The only argument I is strong
B
Only argument II is strong
C
Either I or II is strong
D
Neither I nor II is strong

Question 74Single Answer

If it is possible to make only one meaningful word with the first, the fifth, the sixth, the tenth and the eleventh letters of the word EXCEPTIONAL using each letter only once, first letter of that word is your answer. If no such word can be made formed your answer is ‘X’ and if more than one such word can be formed your answer is ‘Y’.

Question 75Single Answer

How many meaningful English words can be formed with the letters RAE using each letter only once in each word?

A
None
B
One
C
Two
D
Three
E
More than three

Question 76Single Answer

How many such pairs of letters are there in the word WONDERS, each of which has as many letters between its two letters as there are between them in the English alphabet?

A
One
B
Two
C
Three
D
Four
E
More than four

Question 77Single Answer

If it is possible to make only one meaningful English word from the second, the fifth, the seventh and the eighth letters of the word PHYSICAL, using each letter only once, second letter of that word is your answer. If more than one such word can be formed your answer is M. if no such word can be formed your answer is N.

Question 78Single Answer

How many such pairs of letters are there in the word JUSTIFY, each of which have as many letters between them in the word as they have between them in the English alphabet?

A
None
B
One
C
Two
D
Three
E
More than three

Question 79Single Answer

If the alphabets are assigned values as A=3, D=6, G=8, I=2, L=4 and T=5 then what is the sum of values of all the alphabets in the word DIGITAL?

A
26
B
28
C
30
D
32
E
None of these

Question 80Single Answer

How many such pairs of letters are there in the word EDUCATION, each of which has as many letters between them in the word as they have in the English alphabet?

A
None
B
One
C
Two
D
Three
E
More than three

Question 81Single Answer

How many such pairs of letters are there in the word MEASURE each of which has as many letters between them in the word as in the English alphabet?

A
None
B
One
C
Two
D
Three
E
More than three

Question 82Single Answer

How many meaningful English words can be formed with the letters LMAE using each letter only once in each word?

A
None
B
One
C
Two
D
Three
E
More than three

Question 83Single Answer

If each consonant in the word EXPLORATION is replaced by previous the alphabet and each vowel replaced by alphabet following it in the English alphabetic series, and then the order of the alphabets thus formed is reversed, which of the following from the right?

A
P
B
Q
C
B
D
K
E
None of these

Question 84Single Answer

If the letters in the word AMONGST are arranged in the English alphabetical order, the position of how many letters will remain unchanged?

A
None
B
One
C
Three
D
Four
E
More than Four

Question 85Single Answer

How many meaningful English words can be formed with the letters ACRS using each letter only once in each word?

A
None
B
One
C
Two
D
Three
E
More than three

Question 86Single Answer

How many such pairs of letters there in the word, UNWANTED, each of which has as many letters between its two letters as there are between them in the English alphabets?

A
None
B
One
C
Two
D
Three
E
More than three

Question 87Single Answer

How many meaningful English words can be made with the letters EIND using each letter only once in each word?

A
None
B
One
C
Two
D
Three
E
None of these

Question 88Single Answer

How many such pairs of letters are there in the word, ‘TROUBLE’, each of which has as many letters between its two letters as there are between them in the English alphabet?

A
None
B
One
C
Two
D
Three
E
None of these

Question 89Single Answer

How many such pairs of letters there in the word DOUBTS each of which has as many letters between its two letters as there are between them in the English alphabet?

A
None
B
One
C
Two
D
Three
E
None of these

Question 90Single Answer

How many meaningful English words can be made with the letters ESDO using each letter only once in each word?

A
None
B
One
C
Two
D
Three
E
None of these

DFCCIL

Question 91Single Answer

When did the first passenger train run in India?

A
1851
B
1853
C
1855
D
1857

Question 92Single Answer

Where did the first passenger train in India run between?

A
Mumbai and Delhi
B
Kolkata and Chennai
C
Mumbai and Thane
D
Chennai and Madurai

Question 93Single Answer

Who is considered the "Father of Indian Railways"?

A
Lord Dalhousie
B
Mahatma Gandhi
C
Jawaharlal Nehru
D
B.R. Ambedkar

Question 94Single Answer

What were the primary motivations for the British to develop railways in India?

A
To facilitate the movement of troops.
B
To transport raw materials and finished goods.
C
To explore and map the Indian subcontinent.
D
All of the above

Question 95Single Answer

How did the Indian Railways contribute to the economic development of India?

A
Facilitated trade and commerce.
B
Promoted industrial growth.
C
Improved connectivity and integration.
D
All of the above

Question 96Single Answer

When did the Indian Railways become a nationalized entity?

A
1947
B
1950
C
1951
D
1952

Question 97Single Answer

What are some of the significant milestones in the history of Indian Railways?

A
Introduction of the first electric train.
B
Development of broad-gauge lines.
C
Construction of major railway bridges and tunnels.
D
All of the above

Question 98Single Answer

How has Indian Railways played a crucial role in social and cultural integration in India?

A
By connecting people from different regions.
B
By facilitating tourism and cultural exchange.
C
By promoting national unity.
D
All of the above

Question 99Single Answer

What is the significance of the Golden Quadrilateral project for Indian Railways?

A
To improve connectivity between major cities.
B
To upgrade railway infrastructure.
C
To enhance passenger safety.
D
All of the above

Question 100Single Answer

What are some of the challenges faced by Indian Railways today?

A
Competition from other modes of transport.
B
Infrastructure bottlenecks.
C
Financial constraints.
D
All of the above

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Latest DFCCIL Executive Signal & Telecommunication Exam Question (Objective Questions), MCQ in English

Mathematics / Numerical Ability

General Awareness

General Science

DFCCIL Executive Signal & Telecommunication Exam Online Question Bank Package

General Science

Logical Reasoning /General Intelligence

DFCCIL

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