Deductive and Inductive Reasoning - Logic - General Aptitude (GA) Previous Year Questions

1

2014 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2014 [Session 1]

Geneticists say that they are very close to confirming the genetic roots of psychiatric illnesses such as depression and schizophrenia, and consequently, that doctors will be able to eradicate these diseases through early identification and gene therapy. On which of the following assumptions does the statement above rely?

A

Strategies are now available for eliminating psychiatric illnesses

B

Certain psychiatric illnesses have a genetic basis

C

All human diseases can be traced back to genes and how they are expressed

D

In the future, genetics will become the only relevant field for identifying psychiatric illnesses

Open complete paper

2

2014 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2014 [Session 2]

The number of people diagnosed with dengue fever (contracted from the bite of a mosquito) in north India is twice the number diagnosed last year. Municipal authorities have concluded that measures to control the mosquito population have failed in this region.
Which one of the following statements, if true, does not contradict this conclusion?

A

A high proportion of the affected population has returned from neighbouring countries where dengue is prevalent

B

More cases of dengue are now reported because of an increase in the Municipal Office's administrative efficiency

C

Many more cases of dengue are being diagnosed this year since the introduction of a new and effective diagnostic test

D

The number of people with malarial fever (also contracted from mosquito bites) has increased this year

Open complete paper

3

2015 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2015 [Session 1]

The given statement is followed by some courses of action. Assuming the statement to be true, decide the correct option.

Statement:
There has been a significant drop in the water level in the lakes supplying water to the city.

Course of action:
(I) The water supply authority should impose a partial cut in supply to tackle the situation.
(II) The government should appeal to all the residents through mass media for minimal use of water.
(III) The government should ban the water supply in lower areas.

A

Statements I and II follow.

B

Statements I and III follow.

C

Statements II and III follow.

D

All statements follow.

Open complete paper

4

2015 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2015 [Session 1]

In the \(4 \times 1\) multiplexer, the output F is given by \(F = A \oplus B\). Find the required input '\(I_3 I_2 I_1 I_0\)'.

A

1010

B

0110

C

1000

D

1110

Open complete paper

5

2015 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2015 [Session 1]

The figure shows a digital circuit constructed using negative edge triggered J-K flip flops. Assume a starting state of Q₂Q₁Q₀=000. This state Q₂Q₁Q₀=000 will repeat after ______ number of cycles of the clock CLK.

Check answer

Open complete paper

6

2015 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2015 [Session 1]

f(A,B,C,D) = ΠM(0,1,3,4,5,7,9,11,12,13,14,15) is a maxterm representation of a Boolean function f(A,B,C,D) where A is the MSB and D is the LSB. The equivalent minimized representation of this function is

A

(A + C̄ + D)(Ā + B + D)

B

AC̄D + ĀBD̄

C

ĀC̄D + AB̄C̄D + AB̄C̄D̄

D

(B + C̄ + D)(A + B̄ + C̄ + D)(Ā + B + C + D)

Open complete paper

7

2015 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2015 [Session 2]

Consider the following Sum of Products expression, F
F = ABC + AB̄C + AḂC + ĀBC + ĀB̄C
The equivalent Product of Sums expression is

A

F = (A + B̄ + C)(Ā + B + C)(Ā + B̄ + C)

B

F = (A + B̄ + C̄)(A + B + C)(Ā + B̄ + C̄)

C

F = (Ā + B + C̄)(A + B̄ + C̄)(A + B + C)

D

F = (A + B̄ + C)(A + B + C̄)(A + B + C)

Open complete paper

8

2015 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2015 [Session 2]

In the following sequential circuit, the initial state (before the first clock pulse) of the circuit is \(Q_1Q_0 = 00\). The state (\(Q_1Q_0\)), immediately after the \(333^{rd}\) clock pulse is

A

\(00\)

B

\(01\)

C

\(10\)

D

\(11\)

Open complete paper

9

2016 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2016 [Session 1]

All hill-stations have a lake. Ooty has two lakes.
Which of the statement(s) below is/are logically valid and can be inferred from the above sentences?
(i) Ooty is not a hill-station.
(ii) No hill-station can have more than one lake.

A

(i) only

B

(ii) only

C

both (i) and (ii)

D

neither (i) nor (ii)

Open complete paper

10

2016 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2016 [Session 2]

R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes. Which of the following can be logically inferred from the above statements?

A

R2D2 is a robot which can only repair aeroplanes.

B

R2D2 is the only robot which can repair aeroplanes.

C

R2D2 is a robot which can repair only aeroplanes.

D

Only R2D2 is a robot.

Open complete paper

11

2016 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2016 [Session 2]

A poll of students appearing for masters in engineering indicated that 60 % of the students believed that mechanical engineering is a profession unsuitable for women. A research study on women with masters or higher degrees in mechanical engineering found that 99 % of such women were successful in their professions. Which of the following can be logically inferred from the above paragraph?

A

Many students have misconceptions regarding various engineering disciplines.

B

Men with advanced degrees in mechanical engineering believe women are well suited to be mechanical engineers.

C

Mechanical engineering is a profession well suited for women with masters or higher degrees in mechanical engineering.

D

The number of women pursuing higher degrees in mechanical engineering is small.

Open complete paper

12

2017 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2017 [Session 1]

Rahul, Murali, Srinivas and Arul are seated around a square table. Rahul is sitting to the left of Murali. Srinivas is sitting to the right of Arul. Which of the following pairs are seated opposite each other?

A

Rahul and Murali

B

Srinivas and Arul

C

Srinivas and Murali

D

Srinivas and Rahul

Open complete paper

13

2017 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2017 [Session 1]

Six people are seated around a circular table. There are at least two men and two women. There are at least three right-handed persons. Every woman has a left-handed person to her immediate right. None of the women are right-handed. The number of women at the table is

A

2

B

3

C

4

D

Cannot be determined

Open complete paper

14

2017 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2017 [Session 2]

There are five buildings called V, W, X, Y and Z in a row (not necessarily in that order). V is to the West of W. Z is to the East of X and the West of V. W is to the West of Y. Which is the building in the middle?

A

V

B

W

C

X

D

Y

Open complete paper

15

2017 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2017 [Session 2]

There are three boxes. One contains apples, another contains oranges and the last one contains both apples and oranges. All three are known to be incorrectly labelled. If you are permitted to open just one box and then pull out and inspect only one fruit, which box would you open to determine the contents of all three boxes?

A

The box labelled ‘Apples’

B

The box labelled ‘Apples and Oranges’

C

The box labelled ‘Oranges’

D

Cannot be determined

Open complete paper

16

2018 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2018

P, Q, R and S crossed a lake in a boat that can hold a maximum of two persons, with only one set of oars. The following additional facts are available.
(i) The boat held two persons on each of the three forward trips across the lake and one person on each of the two return trips.
(ii) P is unable to row when someone else is in the boat.
(iii) Q is unable to row with anyone else except R.
(iv) Each person rowed for at least one trip.
(v) Only one person can row during a trip.
Who rowed twice?

A

P

B

Q

C

R

D

S

Open complete paper

17

2019 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2019

Consider five people – Mita, Ganga, Rekha, Lakshmi and Sana. Ganga is taller than both Rekha and Lakshmi. Lakshmi is taller than Sana. Mita is taller than Ganga.
Which of the following conclusions are true?
1. Lakshmi is taller than Rekha
2. Rekha is shorter than Mita
3. Rekha is taller than Sana
4. Sana is shorter than Ganga

A

1 and 3

B

3 only

C

2 and 4

D

1 only

Open complete paper

18

2021 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2021

Seven cars P, Q, R, S, T, U and V are parked in a row not necessarily in that order. The cars T and U should be parked next to each other. The cars S and V also should be parked next to each other, whereas P and Q cannot be parked next to each other. Q and S must be parked next to each other. R is parked to the immediate right of V. T is parked to the left of U.
Based on the above statements, the only INCORRECT option given below is:

A

There are two cars parked in between Q and V.

B

Q and R are not parked together.

C

V is the only car parked in between S and R.

D

Car P is parked at the extreme end

Open complete paper

19

2022 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2022

Given below are two statements and four conclusions drawn based on the statements.
Statement 1: Some bottles are cups.
Statement 2: All cups are knives.
Conclusion I: Some bottles are knives.
Conclusion II: Some knives are cups.
Conclusion III: All cups are bottles.
Conclusion IV: All knives are cups.
Which one of the following options can be logically inferred?

A

Only conclusion I and conclusion II are correct

B

Only conclusion II and conclusion III are correct

C

Only conclusion II and conclusion IV are correct

D

Only conclusion III and conclusion IV are correct

Open complete paper

20

2022 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Electrical Engineering (EE) 2022

Altruism is the human concern for the wellbeing of others. Altruism has been shown to be motivated more by social bonding, familiarity and identification of belongingness to a group. The notion that altruism may be attributed to empathy or guilt has now been rejected.
Which one of the following is the CORRECT logical inference based on the information in the above passage?

A

Humans engage in altruism due to guilt but not empathy

B

Humans engage in altruism due to empathy but not guilt

C

Humans engage in altruism due to group identification but not empathy

D

Humans engage in altruism due to empathy but not familiarity

Open complete paper