Electronics and Communication Gate 2026 Questions with Answer

Ques 40 GATE 2026


Consider the two series, SA and SB, where
SA = Σn=1 n2/2n
SB = 1 + 1/2 + 1/8 + 1/16 + 1/64 + 1/128 + 1/512 + ⋯
Which of the following statements is correct for the two given series?

A

Both SA and SB converge.

B

Neither SA nor SB converges.

C

SA converges but SB does not converge.

D

SB converges but SA does not converge.


() is the correct answer.

Ques 41 GATE 2026


Consider the square region R in the X-Y plane as shown with the dark shading in the Figure. The value of ∬R (x2 + y2 − 1)dxdy is ____.
(rounded off to two decimal places)


() is the correct answer.

Ques 42 GATE 2026


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

A

normal

B

diurnal

C

abnormal

D

exceptional


() is the correct answer.

Ques 43 GATE 2026


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?

A

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

B

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

C

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

D

(S1) implies (S3)


() is the correct answer.

Ques 44 GATE 2026


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?

A

P

B

Q

C

R

D

S


() is the correct answer.

Ques 45 GATE 2026


Real numbers y, p, and n (all greater than 1) satisfy
(logp1/n y)(logy1/n p) = 16,
where the logarithms are taken to the bases p1/n and y1/n.
The value of n is ________

A

2

B

4

C

8

D

16


() is the correct answer.

Ques 46 GATE 2026


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?

A

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

B

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

C

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

D

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


() is the correct answer.

Ques 47 GATE 2026


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?

A

CHIN

B

COIN

C

ITCH

D

NOSE


() is the correct answer.

Ques 48 GATE 2026


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:

Which one of the following options is correct?

A

P does not have any parent playing

B

Q does not have any parent playing

C

R does not have any parent playing

D

X does not have a child playing


() is the correct answer.

Ques 49 GATE 2026


Let Pk represent the perimeter of a square with sides of length k. The value of the expression P1 + P2 + P3 + ⋯ + P10 is __________

A

55

B

110

C

220

D

440


() is the correct answer.

Ques 50 GATE 2026


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 BC 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).

A

0.45

B

0.60

C

0.75

D

0.90


() is the correct answer.

Ques 51 GATE 2026


A

P

B

Q

C

R

D

S


() is the correct answer.

Ques 52 GATE 2026


The output voltage Vo (in Volt) for the network given in the Figure is __.
(rounded off to two decimal places)


() is the correct answer.

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