What is required to turn on a car?

One needs to switch on the ignition.

What does 'A is the spouse of B' imply in symbolic terms?

A—B v A—B.

1/144

p.2

Application of Logic in Real-Life Scenarios

One needs to switch on the ignition.

p.4

Symbolic Logic Development

A—B v A—B.

p.13

Logical Reasoning Fundamentals

3 goals to 0.

p.1

Application of Logic in Real-Life Scenarios

Logic exists in all human and natural activities, guiding every subject we study and every product we build.

p.11

Complex Problem Solving Techniques

I II III 8, 4; 9, 3; 8, 3; 7, 4; 9, 2; 7, 2; 6, 4; 9, 1; 6, 1; 5, 4; 3, 4; 4, 2; 4, 1; 4.

p.11

Complex Problem Solving Techniques

1, 4.

p.9

Trial and Error Methods in Logic

Using elementary logic for elementary deductions.

p.16

Data Interpretation and Analysis in Logic

4 or less.

p.9

Logical Reasoning Fundamentals

A multiple of 9.

p.6

Valid and Invalid Reasoning Structures

Mr. or Mrs. Mehta.

p.10

Trial and Error Methods in Logic

B will be left with 4 balls in the second box (4, 4).

p.10

Complex Problem Solving Techniques

A should avoid leaving positions that allow B to win immediately.

p.12

Valid and Invalid Reasoning Structures

Being left with (2, 1) or (5, 3).

p.14

Data Interpretation and Analysis in Logic

Spain must have played against New Zealand.

p.17

Data Interpretation and Analysis in Logic

The number of visitors to his homepage based on their country of origin and university.

p.6

Valid and Invalid Reasoning Structures

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

p.15

Valid and Invalid Reasoning Structures

Argentina won 1–0 against New Zealand.

p.18

Logical Reasoning Fundamentals

(b) 2.

p.16

Data Interpretation and Analysis in Logic

Germany beat South Africa by 2 goals to 1.

p.7

Valid and Invalid Reasoning Structures

A's partner must have shaken 10 hands.

p.14

Data Interpretation and Analysis in Logic

Germany won 1–0 or 2–1.

p.6

Importance of Structured Thinking

Read each part of the question carefully and concentrate fully.

p.3

Importance of Structured Thinking

It greatly eases the process of solving logical problems.

p.14

Data Interpretation and Analysis in Logic

South Africa lost both rounds.

p.8

Trial and Error Methods in Logic

Seven alphabets and ten digits.

p.11

Complex Problem Solving Techniques

A will definitely lose.

p.16

Data Interpretation and Analysis in Logic

5 or more.

p.15

Valid and Invalid Reasoning Structures

Spain won 5–1 against New Zealand.

p.18

Logical Reasoning Fundamentals

(a) India or Netherlands but not USA.

p.18

Logical Reasoning Fundamentals

(a) UK.

p.18

Logical Reasoning Fundamentals

(d) Both India and UK.

p.12

Complex Problem Solving Techniques

B can leave (5, 3) for A, leading to A's options that result in B winning.

p.3

Valid and Invalid Reasoning Structures

It depends only on its logical form and not on its content.

p.3

Standard Symbols in Logic

NOT.

p.11

Complex Problem Solving Techniques

I II III 0, 4; 1, 3; 0, 3; 1, 2; 1, 1; 1, 0.

p.14

Data Interpretation and Analysis in Logic

New Zealand lost 0–1 or 1–2.

p.8

Logical Reasoning Fundamentals

Using '0' would result in a product that is '0' in one or two cases.

p.16

Data Interpretation and Analysis in Logic

-6 - y.

p.6

Complex Problem Solving Techniques

They cannot be Mrs. Mehta, as she is the hostess.

p.16

Data Interpretation and Analysis in Logic

Germany beat Pakistan by 2 goals to 1.

p.14

Data Interpretation and Analysis in Logic

Goals For = 2, Goals Against = 1.

p.12

Importance of Structured Thinking

There are no big logical jumps; each step logically follows from the previous one.

p.7

Logical Reasoning Fundamentals

1 handshake.

p.1

Conversion of Language to Symbols

We instinctively use language to explain our logical processes and actions.

p.10

Complex Problem Solving Techniques

17 possible moves.

p.13

Logical Reasoning Fundamentals

Six teams.

p.3

Symbolic Logic Development

AB v BA.

p.9

Data Interpretation and Analysis in Logic

It eliminates the use of 8, 7, and 5, leaving only 6 digits.

p.4

Symbolic Logic Development

A can be anywhere between B and C.

p.7

Symbolic Logic Development

L × M × N = M × O × Q = P × Q × R.

p.2

Logical Reasoning Fundamentals

It becomes extremely complex and unwieldy as the logical string gets longer.

p.13

Complex Problem Solving Techniques

Tremendous alacrity, logical consistency, and a cool head.

p.5

Valid and Invalid Reasoning Structures

A teaches, therefore B will not go to the movies.

p.5

Valid and Invalid Reasoning Structures

B then Not A.

p.1

Importance of Structured Thinking

To get acquainted with a few thumb rules required to solve logical reasoning questions.

p.12

Complex Problem Solving Techniques

B's options will lead to either a straight win or a (2, 1) situation.

p.16

Data Interpretation and Analysis in Logic

Spain must be top of the pool since it has the best goal difference.

p.6

Complex Problem Solving Techniques

She is both the hostess and the wife of the person asking the question.

p.13

Logical Reasoning Fundamentals

Spain lost to Germany.

p.17

Data Interpretation and Analysis in Logic

University 3.

p.15

Data Interpretation and Analysis in Logic

It summarizes the outcomes of the matches played among the teams.

p.10

Trial and Error Methods in Logic

B will be left with 6 balls in the first box and 1 in the second (6, 1).

p.10

Valid and Invalid Reasoning Structures

They result in an immediate win for player B.

p.2

Symbolic Logic Development

Using symbols: P (poor A/C), L (low fuel efficiency), N(C) (Nice car).

p.12

Logical Reasoning Fundamentals

Because each will result in B giving back (5, 3) in one move.

p.17

Data Interpretation and Analysis in Logic

Cannot be determined.

p.14

Data Interpretation and Analysis in Logic

Spain won 5–1 or 4–0 against New Zealand.

p.16

Data Interpretation and Analysis in Logic

+4.

p.7

Complex Problem Solving Techniques

8 people.

p.15

Valid and Invalid Reasoning Structures

Germany won 2–1 against South Africa.

p.7

Importance of Structured Thinking

0 & 10, 1 & 9, 2 & 8, 3 & 7, 4 & 6.

p.1

Data Interpretation and Analysis in Logic

To organize information in a pictorial form.

p.3

Symbolic Logic Development

A is greater than/taller than/more than B & C.

p.10

Trial and Error Methods in Logic

B will be left with 9 balls in the first box and 0 in the second (9, 0).

p.4

Valid and Invalid Reasoning Structures

B, therefore A.

p.2

Standard Symbols in Logic

OR is ‘V’, NOT is ‘~’, AND is ‘+’.

p.5

Valid and Invalid Reasoning Structures

This is Valid Reasoning 2.

p.17

Data Interpretation and Analysis in Logic

Spain and Germany should be above Pakistan in terms of goal difference, making it unclear if Pakistan can qualify.

p.17

Data Interpretation and Analysis in Logic

University 4 must belong to the UK and University 6 must belong to the USA.

p.1

Complex Problem Solving Techniques

To think in a structured fashion.

p.2

Application of Logic in Real-Life Scenarios

Proceed straight, take the right turn at the second crossing, move 100 meters to a ‘Y’ junction, take the left leg, and Mr. Mehta lives on the second floor of the second last house on the left.

p.11

Complex Problem Solving Techniques

(6, 4), (7, 4), (8, 4), (9, 3), (8, 3).

p.11

Complex Problem Solving Techniques

I II III 5, 4; 6, 3; 5, 3; 4, 4; 6, 2; 4, 2; 3, 4; 6, 1; 3, 1.

p.7

Complex Problem Solving Techniques

Proceed systematically making deductions.

p.2

Symbolic Logic Development

Gottlob Frege in the late 19th century.

p.8

Application of Logic in Real-Life Scenarios

The process of unraveling an entangled ball of wool.

p.3

Conversion of Language to Symbols

Understanding the process of conversion of language into symbolic logic.

p.7

Logical Reasoning Fundamentals

10 handshakes.

p.1

Symbolic Logic Development

The ancient Greeks.

p.6

Valid and Invalid Reasoning Structures

10 hands, since nobody shakes hands with themselves or their spouse.

p.2

Application of Logic in Real-Life Scenarios

It’s on the blue table or in the second shelf from the bottom inside your cupboard.

p.14

Data Interpretation and Analysis in Logic

Germany must draw against Argentina in the third round.

p.15

Valid and Invalid Reasoning Structures

Pakistan lost 0–1 to Argentina.

p.9

Complex Problem Solving Techniques

72.

p.2

Logical Reasoning Fundamentals

The study and documentation of logical language.

p.9

Application of Logic in Real-Life Scenarios

Picking up balls from two boxes containing 9 and 4 balls.

p.4

Valid and Invalid Reasoning Structures

Not B, therefore not A.

p.5

Importance of Structured Thinking

Take a complete preview of the situation, clearly understanding the context.

p.5

Valid and Invalid Reasoning Structures

Not B, therefore not A.

p.15

Valid and Invalid Reasoning Structures

New Zealand lost 0–1 to Argentina and 1–5 to Spain.

p.15

Valid and Invalid Reasoning Structures

Germany won 1–0 against Spain.

p.15

Valid and Invalid Reasoning Structures

Pakistan won 2–0 against South Africa.

p.17

Data Interpretation and Analysis in Logic

University 8 has to be an Indian University.

p.7

Logical Reasoning Fundamentals

5 handshakes.

p.2

Application of Logic in Real-Life Scenarios

It will become cold.

p.6

Valid and Invalid Reasoning Structures

All guests are alike in terms of information, except for Mr. and Mrs. Mehta.

p.13

Logical Reasoning Fundamentals

All matches were drawn.

p.8

Importance of Structured Thinking

They often practice blind trial and error without using deductive logic.

p.8

Complex Problem Solving Techniques

It allows for a more focused search and better problem-solving compared to blind trial & error.

p.13

Logical Reasoning Fundamentals

Pakistan won both matches by 1 goal to 0.

p.5

Valid and Invalid Reasoning Structures

A teaches, therefore B will go to the movies.

p.6

Importance of Structured Thinking

Because they can transform the meaning of the sentences.

p.10

Complex Problem Solving Techniques

The person who picks up the last ball wins.

p.13

Logical Reasoning Fundamentals

10%.

p.3

Standard Symbols in Logic

OR.

p.11

Complex Problem Solving Techniques

(1, 4), (2, 4), (3, 4), (5, 4), (9, 1), (9, 2), (6, 1), (6, 2).

p.13

Logical Reasoning Fundamentals

Win: 3 points, Draw: 1 point, Loss: 0 points.

p.8

Valid and Invalid Reasoning Structures

Two ways must be independent with no matching digits, and the third must use one digit from each of the first two ways plus one independent digit.

p.9

Logical Reasoning Fundamentals

By combinations like 9 × 8 × 1, 6 × 3 × 4, or 9 × 4 × 2.

p.4

Valid and Invalid Reasoning Structures

A therefore B.

p.8

Importance of Structured Thinking

It provides maximum room for maneuvering the question.

p.5

Valid and Invalid Reasoning Structures

A then Not B.

p.1

Logical Reasoning Fundamentals

The lack of any systematic notation for the process of logic.

p.10

Logical Reasoning Fundamentals

Picking up an equal number from both boxes or picking up any number from either box (at least 1).

p.3

Standard Symbols in Logic

By capitals.

p.9

Complex Problem Solving Techniques

36.

p.4

Symbolic Logic Development

A < (B + C)

p.13

Logical Reasoning Fundamentals

The team with the highest goal difference qualifies.

p.4

Symbolic Logic Development

A is the son of Æ.

p.9

Importance of Structured Thinking

It is fixed in its place in the grid.

p.2

Symbolic Logic Development

Precise writing of logical and mathematical ideas.

p.2

Conversion of Language to Symbols

Interpreting the language of the question and converting it into symbolic form.

p.5

Valid and Invalid Reasoning Structures

If Not A, then B; and if Not B, then A.

p.10

Data Interpretation and Analysis in Logic

9 balls in the first box and 4 balls in the second box.

p.17

Data Interpretation and Analysis in Logic

They should be distributed based on the visitor data.

p.8

Trial and Error Methods in Logic

Complete trial & error, directed trial & error, and blind trial & error.

p.8

Logical Reasoning Fundamentals

The numbers 1 through 9.

p.4

Valid and Invalid Reasoning Structures

A did not teach, therefore B did not go to the movies.

p.8

Complex Problem Solving Techniques

The product must be made in three different ways.

p.7

Symbolic Logic Development

Each letter represents a different digit from 0 to 9.

p.3

Importance of Structured Thinking

Denote the female by underlining the capital letter used.

p.13

Logical Reasoning Fundamentals

Spain won both matches.

p.9

Trial and Error Methods in Logic

Players can pick up as many balls as they want from any box.

p.5

Valid and Invalid Reasoning Structures

It leads to valid conclusions: A therefore B, and Not B therefore Not A.

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Study Smarter, Not Harder