Electronics and Communication GATE 2021 Questions with Answer

Ques 1 Aptitude

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The current population of a city is 11,02,500. If it has been increasing at the rate of 5% per annum, what was its population 2 years ago?

A

9,92,500

B

9,95,006

C

10,00,000

D

12,51,506

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Ques 2 Aptitude

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Nostalgia is to anticipation as _______ is to ________
Which one of the following options maintains a similar logical relation in the above sentence?

A

Present, past

B

Future, past

C

Past, future

D

Future, present

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Ques 3 Aptitude

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Consider the following sentences:
(i) I woke up from sleep.
(ii) I woked up from sleep.
(iii) I was woken up from sleep.
(iv) I was wokened up from sleep.
Which of the above sentences are grammatically CORRECT?

A

(i) and (ii)

B

(i) and (iii)

C

(ii) and (iii)

D

(i) and (iv)

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Ques 4 Aptitude

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Given below are two statements and two conclusions.
Statement 1: All purple are green.
Statement 2: All black are green.
Conclusion I: Some black are purple.
Conclusion II: No black is purple.
Based on the above statements and conclusions, which one of the following options is logically CORRECT?

A

Only conclusion I is correct.

B

Only conclusion II is correct.

C

Either conclusion I or II is correct.

D

Both conclusion I and II are correct.

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Ques 5 Aptitude

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Computers are ubiquitous. They are used to improve efficiency in almost all fields from agriculture to space exploration. Artificial intelligence (AI) is currently a hot topic. AI enables computers to learn, given enough training data. For humans, sitting in front of a computer for long hours can lead to health issues.
Which of the following can be deduced from the above passage?
(i) Nowadays, computers are present in almost all places.
(ii) Computers cannot be used for solving problems in engineering.
(iii) For humans, there are both positive and negative effects of using computers.
(iv) Artificial intelligence can be done without data.

A

(ii) and (iii)

B

(ii) and (iv)

C

(i), (iii) and (iv)

D

(i) and (iii)

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Ques 6 Aptitude

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Consider a square sheet of side 1 unit. In the first step, it is cut along the main diagonal to get two triangles. In the next step, one of the cut triangles is revolved about its short edge to form a solid cone. The volume of the resulting cone, in cubic units, is ________

A

π/3

B

2π/3

C

3π/2

D

3π

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