Logical Reasoning Questions and Answers with Explanations

Q7: Look at this series: 1, 4, 9, 16, __. What number should come next?
A) 20
B) 25
C) 36
D) 49
Answer: B) 25
Explanation: Squares of 1, 2, 3, 4, 5.

Q8: Look at this series: 100, 90, 80, 70, __. What number should come next?
A) 50
B) 60
C) 40
D) 30
Answer: B) 60
Explanation: Subtract 10.

Q9: Look at this series: 2, 5, 10, 17, __. What number should come next?
A) 24
B) 26
C) 30
D) 35
Answer: A) 26
Explanation: Add consecutive odd numbers (3, 5, 7, 9).

Q10: Look at this series: 7, 10, 8, 11, 9, 12, __. What number should come next?
A) 7
B) 12
C) 10
D) 13
Answer: C) 10
Explanation: Alternately add 3, subtract 2.

Odd One Out

Q11: Which word does NOT belong with the others?
A) index
B) glossary
C) chapter
D) book
Answer: D) book
Explanation: The rest are parts of a book.

Q12: Which word is the odd one out?
A) trivial
B) unimportant
C) important
D) insignificant
Answer: C) important
Explanation: The others are synonyms.

Q13: Which word does NOT belong with the others?
A) wing
B) fin
C) beak
D) rudder
Answer: C) beak
Explanation: The rest are parts of an airplane.

Q14: Which word is the odd one out?
A) hate
B) fondness
C) liking
D) attachment
Answer: A) hate
Explanation: The rest are positive emotions.

Q15: Pick the odd man out:
A) just
B) fair
C) equitable
D) biased
Answer: D) biased
Explanation: The others signify honesty.

Q16: Which number is the odd one out? 2, 4, 8, 16, 18, 32
A) 2
B) 8
C) 16
D) 18
Answer: D) 18
Explanation: All others are powers of 2.

Q17: Which letter is the odd one out?
A) A
B) E
C) I
D) G
Answer: D) G
Explanation: All others are vowels.

Q18: Which word does NOT belong with the others?
A) Square
B) Rectangle
C) Triangle
D) Circle
Answer: D) Circle
Explanation: The rest have straight sides.

Q19: Which number is the odd one out? 3, 5, 7, 12, 17
A) 3
B) 7
C) 12
D) 17
Answer: C) 12
Explanation: The rest are prime numbers.

Q20: Which group is the odd one out?
A) Cat
B) Dog
C) Rabbit
D) Snake
Answer: D) Snake
Explanation: The rest are mammals.

Analogy

Q21: CUP : LIP :: BIRD : ?
A) Grass
B) Forest
C) Beak
D) Bush
Answer: C) Beak
Explanation: You drink from a cup with your lips; a bird eats with its beak.

Q22: Paw : Cat :: Hoof : ?
A) Lamb
B) Horse
C) Elephant
D) Tiger
Answer: B) Horse
Explanation: Cat’s feet are called paws and horse’s are called hoofs.

Q23: Safe : Secure :: Protect : ?
A) Lock
B) Guard
C) Sure
D) Conserve
Answer: B) Guard

Q24: Melt : Liquid :: Freeze : ?
A) Ice
B) Solid
C) Condense
D) Push
Answer: B) Solid

Q25: Parts : Strap :: Wolf : ?
A) Flow
B) Animal
C) Wood
D) Fox
Answer: A) Flow
Explanation: Reverse spelling.

Q26: Book : Pages :: House : ?
A) Bricks
B) Roof
C) Walls
D) Floor
Answer: A) Bricks

Q27: Tree : Forest :: Star : ?
A) Sky
B) Sun
C) Galaxy
D) Universe
Answer: C) Galaxy

Q28: Hand : Glove :: Head : ?
A) Hat
B) Cap
C) Helmet
D) Scarf
Answer: A) Hat

Q29: Fish : Water :: Bird : ?
A) Land
B) Air
C) Tree
D) Nest
Answer: B) Air

Q30: Pen : Write :: Knife : ?
A) Cut
B) Eat
C) Sharpen
D) Draw
Answer: A) Cut

Statement and Conclusion

Q31: Statements: All mangoes are golden in color. No golden-colored things are cheap.
Conclusions:
I. All mangoes are cheap.
II. Golden-colored mangoes are not cheap.
A) Only I follows
B) Only II follows
C) Either I or II follows
D) Neither I nor II follows
Answer: B) Only II follows

Q32: Statements: All students are tall. Some boys are students.
Conclusions:
I. Some boys are tall.
II. All tall are boys.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: A) Only I follows

Q33: Statements: Some apples are oranges. All oranges are grapes.
Conclusions:
I. Some apples are grapes.
II. All grapes are apples.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: A) Only I follows

Q34: Statements: No pen is pencil. All pencils are erasers.
Conclusions:
I. Some erasers are pens.
II. No pen is eraser.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: B) Only II follows

Q35: Statements: Some birds are animals. All animals are plants.
Conclusions:
I. Some birds are plants.
II. Some plants are birds.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: C) Both I and II follow

Q36: Statements: All roses are flowers. Some flowers are yellow.
Conclusions:
I. Some roses are yellow.
II. All flowers are roses.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: D) Neither I nor II follows

Q37: Statements: All books are pens. Some pens are pencils.
Conclusions:
I. Some books are pencils.
II. All pencils are books.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: D) Neither I nor II follows

Q38: Statements: No dog is cat. Some cats are rats.
Conclusions:
I. Some dogs are rats.
II. Some rats are not dogs.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: B) Only II follows

Q39: Statements: All cars are bikes. No bike is bus.
Conclusions:
I. No car is bus.
II. Some buses are cars.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: A) Only I follows

Q40: Statements: Some men are women. All women are girls.
Conclusions:
I. Some men are girls.
II. Some girls are men.
A) Only I follows
B) Only II follows
C) Both I and II follow
D) Neither I nor II follows
Answer: C) Both I and II follow

Blood Relations

Q41: Pointing to a photograph, a woman says, "He is the son of the only daughter of my father." How is the man related to the woman?
A) Brother
B) Nephew
C) Son
D) Cousin
Answer: A) Brother

Q42: If A is the mother of B and B is the father of C, how is A related to C?
A) Mother
B) Grandmother
C) Aunt
D) Sister
Answer: B) Grandmother

Q43: If P is the brother of Q, Q is the sister of R, and R is the father of S, how is P related to S?
A) Uncle
B) Father
C) Brother
D) Cousin
Answer: A) Uncle

Q44: If M is the mother of N, N is the sister of O, and O is the father of P, how is M related to P?
A) Mother
B) Grandmother
C) Aunt
D) Sister
Answer: B) Grandmother

Q45: A is B’s sister. C is B’s mother. D is C’s father. E is D’s mother. How is A related to D?
A) Daughter
B) Granddaughter
C) Great-granddaughter
D) Niece
Answer: B) Granddaughter

Q46: If X is the son of Y and Y is the daughter of Z, how is Z related to X?
A) Grandfather or Grandmother
B) Aunt
C) Uncle
D) Sister
Answer: A) Grandfather or Grandmother

Q47: If F is the mother of G, and H is the father of F, how is H related to G?
A) Father
B) Grandfather
C) Uncle
D) Brother
Answer: B) Grandfather

Q48: If A is the father of B, and C is the mother of A, how is C related to B?
A) Mother
B) Grandmother
C) Aunt
D) Sister
Answer: B) Grandmother

Q49: If P is the mother of Q and Q is the son of R, how is R related to P?
A) Husband
B) Wife
C) Father
D) Uncle
Answer: A) Husband

Q50: If X is the daughter of Y, and Y is the son of Z, how is Z related to X?
A) Grandfather or Grandmother
B) Aunt
C) Uncle
D) Sister
Answer: A) Grandfather or Grandmother

Direction Sense

Q51: Ravi walks 10 meters north, then turns right and walks 5 meters, then turns right and walks 10 meters. Which direction is he facing?
A) North
B) South
C) East
D) West
Answer: C) East

Q52: A person walks 15 meters south, then 10 meters east, then 5 meters north. How far is he from the starting point?
A) 10 meters
B) 15 meters
C) 20 meters
D) 12 meters
Answer: D) 12 meters

Q53: If you are facing east and turn 90° left, which direction are you facing?
A) North
B) South
C) West
D) East
Answer: A) North

Q54: A man starts from a point and walks 5 km east, then 3 km north, then 5 km west. How far is he from the starting point?
A) 2 km
B) 3 km
C) 4 km
D) 5 km
Answer: B) 3 km

Q55: If you are facing north and turn 270° clockwise, which direction will you face?
A) West
B) South
C) East
D) North
Answer: C) East

Q56: A girl walks 6 km south, then 8 km east. How far is she from the starting point?
A) 10 km
B) 12 km
C) 14 km
D) 8 km
Answer: A) 10 km
Explanation: Use Pythagoras theorem.

Q57: A person walks 7 m north, turns right and walks 3 m, turns right and walks 7 m. Which direction is he facing now?
A) North
B) South
C) East
D) West
Answer: D) West

Q58: If you are facing west and turn 180°, which direction are you facing?
A) East
B) North
C) South
D) West
Answer: A) East

Q59: A man walks 4 km east, 3 km north, 2 km west, and 1 km south. What is the shortest distance from the starting point?
A) 4 km
B) 5 km
C) 6 km
D) 7 km
Answer: B) 5 km

Q60: If a boy faces south and turns 90° to his left, then 180° to his right, which direction is he facing now?
A) North
B) East
C) South
D) West
Answer: D) West

Coding-Decoding

Q61: In a certain code, "CAT" is written as "DBU". How is "DOG" written in that code?
A) EPH
B) DPH
C) EOH
D) FOH
Answer: A) EPH
Explanation: Each letter is replaced by the next letter in the alphabet.

Q62: In a certain code, "MANGO" is written as "NBOPH". How is "PEACH" written?
A) QFBDI
B) QFBDG
C) QFBCH
D) QFBCH
Answer: A) QFBDI
Explanation: Each letter is replaced by its next letter.

Q63: If "TABLE" is coded as "UBCMF", how is "CHAIR" coded?
A) DIBJS
B) DIBJR
C) DIBIS
D) DBIJS
Answer: A) DIBJS

Q64: If "DOG" is coded as "EPI", how is "CAT" coded?
A) DBU
B) DBV
C) CBV
D) CBU
Answer: A) DBU

Q65: If "PEN" is coded as "QFO", how is "BOOK" coded?
A) CPPM
B) CPNM
C) CPOO
D) CPNN
Answer: A) CPPM

Q66: In a certain code, "KING" is written as "LJOH". How is "QUEEN" written?
A) RVFFO
B) RVFFM
C) RVFFN
D) RVFFP
Answer: A) RVFFO

Q67: If "BIRD" is coded as "CJSE", how is "FISH" coded?
A) GJTI
B) GJTI
C) GJTI
D) GJTI
Answer: B) GJTI

Q68: If "APPLE" is coded as "BQQMF", how is "ORANGE" coded?
A) PSBOHF
B) PSBOGF
C) PSBPHF
D) PSBPGF
Answer: A) PSBOHF

Q69: If "HOUSE" is coded as "IPVTF", how is "GARDEN" coded?
A) HBSEFO
B) HBSEFN
C) HBSEFO
D) HBSEFO
Answer: A) HBSEFO

Q70: If "SUN" is coded as "TVO", how is "MOON" coded?
A) NPPO
B) NOPP
C) NPPO
D) NPOO
Answer: A) NPPO

Miscellaneous Reasoning

Q71: Look at this series: 36, 34, 30, 28, 24, __. What number should come next?
A) 22
B) 26
C) 23
D) 20
Answer: A) 22

Q72: Look at this series: 2, 1, 1/2, 1/4, __. What number should come next?
A) 1/3
B) 1/8
C) 2/8
D) 1/16
Answer: B) 1/8

Q73: Look at this series: 80, 10, 70, 15, 60, __. What number should come next?
A) 20
B) 25
C) 30
D) 50
Answer: A) 20

Q74: Look at this series: 7, 14, 28, 56, __. What number should come next?
A) 84
B) 96
C) 112
D) 126
Answer: C) 112

Q75: Look at this series: 5, 10, 17, 26, __. What number should come next?
A) 37
B) 35
C) 40
D) 45
Answer: A) 37

Q76: Look at this series: 2, 4, 7, 11, 16, __. What number should come next?
A) 20
B) 22
C) 23
D) 25
Answer: C) 22

Q77: Look at this series: 1, 2, 6, 24, __. What number should come next?
A) 48
B) 120
C) 36
D) 60
Answer: B) 120
Explanation: Factorials.

Q78: Look at this series: 1, 3, 7, 15, 31, __. What number should come next?
A) 48
B) 62
C) 63
D) 64
Answer: C) 63
Explanation: 2^n-1

Q79: Look at this series: 100, 81, 64, 49, __. What number should come next?
A) 36
B) 25
C) 16
D) 9
Answer: A) 36
Explanation: Squares of 10, 9, 8, 7, 6, …

Q80: Look at this series: 13, 16, 21, 28, __. What number should come next?
A) 37
B) 36
C) 35
D) 34
Answer: B) 37
Explanation: Add consecutive odd numbers (3, 5, 7, 9, …).

Key Takeaways So Far

• Logical reasoning tests your ability to analyze information and draw conclusions.
• It’s used in academic, professional, and competitive settings.
• Developing this skill boosts critical thinking and decision-making abilities.

Success in logical reasoning comes from understanding the question patterns and applying effective problem-solving strategies. The following tips will help you approach logical reasoning questions with confidence and improve your accuracy:

1. Understand the Question Types
   Familiarize yourself with various logical reasoning formats such as series, analogies, syllogisms, puzzles, and classification.
2. Read Carefully
   Pay close attention to every detail in the question. Missing a small clue can lead to an incorrect answer.
3. Practice Regularly
   Consistent practice helps you recognize patterns quickly and apply logical steps efficiently.
4. Use Diagrams and Tables
   For complex problems, especially puzzles or seating arrangements, draw diagrams or tables to organize information visually.
5. Eliminate Wrong Options
   Use the process of elimination to narrow down answer choices, especially in multiple-choice questions.
6. Manage Your Time
   Practice solving questions under timed conditions to improve your speed and accuracy.
7. Review Explanations
   Always review the solutions and explanations for both correct and incorrect answers to strengthen your understanding.

Additional Resources

• Downloadable PDFs: Many websites offer logical reasoning questions and answers pdf and practice sets in PDF format for easy access and revision.
• Ebooks: Comprehensive ebooks covering logical thinking questions and answers, verbal reasoning, and numerical aptitude are available for deeper study.
• Related Topics:
  
  • Quantitative Aptitude
  • Verbal Reasoning
  • Interview Preparation
  • Pattern Recognition
  • Problem Solving Techniques

Logical reasoning questions and answers are an integral part of many competitive exams and interviews. By practicing a variety of question types and understanding the underlying logic, you can significantly enhance your reasoning abilities. Remember, regular practice and a clear approach are key to mastering logical reasoning.

Why It Matters?

Logical reasoning skills are vital for navigating exams, interviews, and real-world challenges. Strong reasoning abilities help you make informed decisions, solve problems efficiently, and stand out in competitive environments.

Practical Advice for Learners

• Practice a variety of question types regularly.
• Focus on understanding explanations, not just memorizing answers.
• Use diagrams and notes for complex problems.
• Take timed mock tests to improve speed and accuracy.
• Review both correct and incorrect solutions to identify patterns.
• Download and use PDF resources for offline practice.

1. Where can I find logical reasoning MCQ interview questions and answers?

‍You can access a wide range of multiple-choice logical reasoning questions and answers with explanations complete with detailed solutions on reputable educational websites and in downloadable PDF formats. These resources are ideal for interview preparation and competitive exams.

2. Are there logical reasoning questions and answers with detailed explanations?

‍Yes, many resources provide not just the correct answer but also step-by-step explanations for each question. This helps you understand the logic behind the solution and improve your problem-solving skills.

3. Can I download logical reasoning questions and answers in PDF or ebook format?

‍Absolutely. Many educational platforms offer free and paid ebooks or PDFs containing logical reasoning MCQs, objective-type questions, and practice sets. These are useful for offline practice and revision.

4. What types of logical reasoning questions are commonly asked?

‍Common types include verbal reasoning, pattern recognition, numerical aptitude, logical conclusions, and problem-solving questions. Both objective (multiple-choice) and subjective formats are used.

5. How can I improve my logical reasoning skills for interviews and exams?

‍Practice regularly with diverse question types, review explanations, and take mock tests. Focus on understanding patterns and logical connections rather than memorizing answers.