GATE ECE topic:communication-engineering PYQs & Answers

Questions 1–10 of 715. Imported answers require independent review unless marked reviewed.

Among the following options, the antonym of the word ‘nocturnal’ is ________.

Your answerChoose one option.

normal

diurnal

abnormal

exceptional

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The statements (S1), (S2), and (S3) pertain to the scores obtained by students in an exam. The maximum possible marks in the exam is 150.

(S1) The highest score is 100.

(S2) The fourth highest score is 76.

(S3) There are at least four students whose scores are within 25 of each other.

Which one of the following options is necessarily correct?

Your answerChoose one option.

(S1) and (S2) together imply (S3)

(S1) and (S3) together imply (S2)

(S2) and (S3) together imply (S1)

(S1) implies (S3)

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The figure below has exactly three intersecting line segments with a rectangular portion WXYZ missing. Which one of the following options P, Q, R, and S is the missing portion WXYZ?

Diagram for Electronics and Communication Engineering question 3

Your answerChoose one option.

Diagram for Electronics and Communication Engineering question 3 (figure 2)

Diagram for Electronics and Communication Engineering question 3 (figure 3)

Diagram for Electronics and Communication Engineering question 3 (figure 4)

Diagram for Electronics and Communication Engineering question 3 (figure 5)

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Real numbers

, and

(all greater than 1) satisfy

where the logarithms are taken to the bases

and

The value of

is ________

Your answerChoose one option.

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The following observation is made about the scores obtained by 100 students in an exam:

‘For each student, there exists another student in the class such that their scores are at most ten marks away.’

If the above statement is false, which one of the following statements is necessarily true?

Your answerChoose one option.

For each student, the scores of all the other students are more than 10 marks away.

There exists at least one student in the class for whom the scores of all the other students are more than 10 marks away.

There is exactly one student in the class for whom the scores of some students are more than 10 marks away.

For each student, the score of exactly one other student is more than 10 marks away.

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Each one of the following clues contains a keyword that is partially filled.

Clue 1: Synonym of recognize (8 letters): _ D _ NT_ FY

Clue 2: A story long enough to fill a book (5 letters): _ _ EL

Clue 3: Two of something (6 letters): _ _ _ PLE

Clue 4: A fraction of something, split equally into two parts (4 letters): _ _ _ F

The first letter of each of the keywords can be rearranged to form a four-letter word.

Which one of the options below is a possible choice for the four-letter word?

Your answerChoose one option.

CHIN

COIN

ITCH

NOSE

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Three children P, Q, R and two grown-ups X, Y play a badminton doubles tournament. X and Y are parents to two of the children playing. The child of X is not the same as the child of Y. Exactly one of the children does not have a parent playing in the tournament. The following rules are followed:

(i) A parent and his/her child cannot be on the same team. (ii) A match can feature at most one parent and his/her child, that is, a maximum of one parent-child pair can play in a match.

The following matches were played:

	TEAM 1	TEAM 2
MATCH 1	P and X	Q and R
MATCH 2	P and R	X and Y
MATCH 3	R and X	Q and Y

Which one of the following options is correct?

Your answerChoose one option.

P does not have any parent playing

Q does not have any parent playing

R does not have any parent playing

X does not have a child playing

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Let

represent the perimeter of a square with sides of length

. The value of the expression

is ________

Your answerChoose one option.

110

220

440

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The city of Atlantis was crafted by the God of the seas, Poseidon. It was made of alternating concentric circular rings of land (shaded) and water (not shaded) as represented in the figure (not to scale). The radius of Inner Island was 2.5 stades (a unit of length used in ancient Greece). The water surrounding Inner Island was one stade wide (length AB). This was surrounded by two pairs of alternating rings of land and water. The first pair of land and water was two stades wide each (lengths DE and CD), and the outer pair is three stades wide each (lengths DE and EF).

The ratio of the surface area of the land to that of the water in the city of Atlantis is ________ (round off to two decimal places).

Diagram for Electronics and Communication Engineering question 9

Your answerChoose one option.

0.45

0.60

0.75

0.90

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Diagram for Electronics and Communication Engineering question 10

Then

Diagram for Electronics and Communication Engineering question 10 (figure 2)

Your answerChoose one option.

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GATE ECE topic:communication-engineering PYQs

How to practice topic:communication-engineering

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10