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

1

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

Mining Engineering (MN) 2014

In a group of four children, Som is younger to Riaz. Shiv is elder to Ansu. Ansu is youngest in the group. Which of the following statements is/are required to find the eldest child in the group?
Statements
1. Shiv is younger to Riaz.
2. Shiv is elder to Som.

A

Statement 1 by itself determines the eldest child.

B

Statement 2 by itself determines the eldest child.

C

Statements 1 and 2 are both required to determine the eldest child.

D

Statements 1 and 2 are not sufficient to determine the eldest child.

Open complete paper

2

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

Mining Engineering (MN) 2015

Tanya is older than Eric.
Cliff is older than Tanya.
Eric is older than Cliff.
If the first two statements are true, then the third statement is:

A

True

B

False

C

Uncertain

D

Data insufficient

Open complete paper

3

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

Mining Engineering (MN) 2015

Given below are two statements followed by two conclusions. Assuming these statements to be true, decide which one logically follows.

Statements:
I. No manager is a leader.
II. All leaders are executives.

Conclusions:
I. No manager is an executive.
II. No executive is a manager.

A

Only conclusion I follows.

B

Only conclusion II follows.

C

Neither conclusion I nor II follows.

D

Both conclusions I and II follow.

Open complete paper

4

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

Mining Engineering (MN) 2016

Fact: If it rains, then the field is wet.
Read the following statements:
(i) It rains
(ii) The field is not wet
(iii) The field is wet
(iv) It did not rain
Which one of the options given below is NOT logically possible, based on the given fact?

A

If (iii), then (iv).

B

If (i), then (iii).

C

If (i), then (ii).

D

If (ii), then (iv).

Open complete paper

5

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

Mining Engineering (MN) 2016

A smart city integrates all modes of transport, uses clean energy and promotes sustainable use of resources. It also uses technology to ensure safety and security of the city, something which critics argue, will lead to a surveillance state.
Which of the following can be logically inferred from the above paragraph?
(i) All smart cities encourage the formation of surveillance states.
(ii) Surveillance is an integral part of a smart city.
(iii) Sustainability and surveillance go hand in hand in a smart city.
(iv) There is a perception that smart cities promote surveillance.

A

(i) and (iv) only

B

(ii) and (iii) only

C

(iv) only

D

(i) only

Open complete paper

6

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

Mining Engineering (MN) 2017

Consider the following sentences:
All benches are beds. No bed is a bulb. Some bulbs are lamps.
Which of the following can be inferred?
i. Some beds are lamps.
ii. Some lamps are beds.

A

Only i

B

Only ii

C

Both i and ii

D

Neither i nor ii

Open complete paper

7

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

Mining Engineering (MN) 2017

Students applying for hostel rooms are allotted rooms in order of seniority. Students already staying in a room will move if they get a room in their preferred list. Preferences of lower ranked applicants are ignored during allocation.
Given the data below, which room will Ajit stay in?

Names	Student seniority	Current room	Room preference list
Amar	1	P	R, S, Q
Akbar	2	None	R, S
Anthony	3	Q	P
Ajit	4	S	Q, P, R

A

P

B

Q

C

R

D

S

Open complete paper

8

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

Mining Engineering (MN) 2019

Under a certain legal system, prisoners are allowed to make one statement. If their statement turns out to be true then they are hanged. If the statement turns out to be false then they are shot. One prisoner made a statement and the judge had no option but to set him free. Which one of the following could be that statement?

A

I did not commit the crime

B

I committed the crime

C

I will be shot

D

You committed the crime

Open complete paper

9

2020 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Mining Engineering (MN) 2020

Repo rate is the rate at which Reserve Bank of India (RBI) lends commercial banks, and reverse repo rate is the rate at which RBI borrows money from commercial banks.

Which of the following statements can be inferred from the above passage?

A

Decrease in repo rate will increase cost of borrowing and decrease lending by commercial banks.

B

Increase in repo rate will decrease cost of borrowing and increase lending by commercial banks.

C

Increase in repo rate will decrease cost of borrowing and decrease lending by commercial banks.

D

Decrease in repo rate will decrease cost of borrowing and increase lending by commercial banks.

Open complete paper

10

2020 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Mining Engineering (MN) 2020

P, Q, R, S, T, U, V, and W are seated around a circular table.
I. S is seated opposite to W.
II. U is seated at the second place to the right of R.
III. T is seated at the third place to the left of R.
IV. V is a neighbour of S.

Which of the following must be true?

A

P is a neighbour of R.

B

Q is a neighbour of R.

C

P is not seated opposite to Q.

D

R is the left neighbour of S.

Open complete paper

11

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

Mining Engineering (MN) 2021

1. Some football players play cricket.
2. All cricket players play hockey.
Among the options given below, the statement that logically follows from the two statements 1 and 2 above, is:

A

No football player plays hockey.

B

Some football players play hockey.

C

All football players play hockey.

D

All hockey players play football.

Open complete paper

12

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

Mining Engineering (MN) 2022

Mosquitoes pose a threat to human health. Controlling mosquitoes using chemicals may have undesired consequences. In Florida, authorities have used genetically modified mosquitoes to control the overall mosquito population. It remains to be seen if this novel approach has unforeseen consequences.

Which one of the following is the correct logical inference based on the information in the above passage?

A

Using chemicals to kill mosquitoes is better than using genetically modified mosquitoes because genetic engineering is dangerous

B

Using genetically modified mosquitoes is better than using chemicals to kill mosquitoes because they do not have any side effects

C

Both using genetically modified mosquitoes and chemicals have undesired consequences and can be dangerous

D

Using chemicals to kill mosquitoes may have undesired consequences but it is not clear if using genetically modified mosquitoes has any negative consequence

Open complete paper

13

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

Mining Engineering (MN) 2022

In a class of five students P, Q, R, S and T, only one student is known to have copied in the exam. The disciplinary committee has investigated the situation and recorded the statements from the students as given below.

Statement of P: R has copied in the exam.

Statement of Q: S has copied in the exam.

Statement of R: P did not copy in the exam.

Statement of S: Only one of us is telling the truth.

Statement of T: R is telling the truth.

The investigating team had authentic information that S never lies.

Based on the information given above, the person who has copied in the exam is

A

R

B

P

C

Q

D

T

Open complete paper

14

2023 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Mining Engineering (MN) 2023

There are 4 red, 5 green, and 6 blue balls inside a box. If \( N \) number of balls are picked simultaneously, what is the smallest value of \( N \) that guarantees there will be at least two balls of the same colour?
One cannot see the colour of the balls until they are picked.

A

4

B

15

C

5

D

2

Open complete paper

15

2023 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Mining Engineering (MN) 2023

Elvesland is a country that has peculiar beliefs and practices. They express almost all their emotions by gifting flowers. For instance, if anyone gifts a white flower to someone, then it is always taken to be a declaration of one’s love for that person. In a similar manner, the gifting of a yellow flower to someone often means that one is angry with that person.
Based only on the information provided above, which one of the following sets of statement(s) can be logically inferred with certainty?
(i) In Elvesland, one always declares one’s love by gifting a white flower.
(ii) In Elvesland, all emotions are declared by gifting flowers.
(iii) In Elvesland, sometimes one expresses one’s anger by gifting a flower that is not yellow.
(iv) In Elvesland, sometimes one expresses one’s love by gifting a white flower.

A

only (ii)

B

(i), (ii) and (iii)

C

(i), (iii) and (iv)

D

only (iv)

Open complete paper

16

2024 · General Aptitude (GA) · Logic · Deductive and Inductive Reasoning

Mining Engineering (MN) 2024

Statements:
1. All heroes are winners.
2. All winners are lucky people.

Inferences:
I. All lucky people are heroes.
II. Some lucky people are heroes.
III. Some winners are heroes.

Which of the above inferences can be logically deduced from statements 1 and 2?

A

Only I and II

B

Only II and III

C

Only I and III

D

Only III

Open complete paper