# 50 Olympiad Reasoning Questions for Class 1–3 with Answers
Are you looking for Olympiad reasoning questions for Class 1, Class 2 and Class 3?
Logical reasoning is an important part of many Olympiad examinations. Depending on the organiser and class, students may encounter patterns, odd-one-out, analogy, classification, ranking, coding-decoding, spatial understanding, geometrical figures, mirror images and other reasoning concepts.
For example, the current SOF IMO syllabus includes patterns, analogy and classification, alphabet tests, coding-decoding, ranking, grouping of figures, mirror images, geometrical shapes, embedded figures, possible combinations, and clock and calendar. :contentReference[oaicite:1]{index=1}
This free practice article contains **50 Olympiad-style reasoning questions** divided into three levels:
- Class 1 Level
- Class 2 Level
- Class 3 Level
Try to solve each question before checking the answer.
Let's begin!
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# 🟢 PART 1 – CLASS 1 REASONING QUESTIONS
## Question 1 – Number Pattern
What comes next?
**2, 4, 6, 8, ___**
A. 9
B. 10
C. 11
D. 12
**Answer: B. 10**
Explanation:
The numbers increase by 2.
2 → 4 → 6 → 8 → **10**
---
## Question 2 – Odd One Out
Which one is different?
A. Apple
B. Mango
C. Banana
D. Car
**Answer: D. Car**
Explanation:
Apple, mango and banana are fruits.
Car is different.
---
## Question 3 – Shape Pattern
What comes next?
🔵 🔺 🔵 🔺 ___
A. 🔵
B. 🔺
C. ⭐
D. 🟩
**Answer: A. 🔵**
Explanation:
The pattern repeats:
Circle → Triangle → Circle → Triangle → Circle.
---
## Question 4 – Counting
How many stars are there?
⭐ ⭐ ⭐ ⭐ ⭐
A. 4
B. 5
C. 6
D. 7
**Answer: B. 5**
---
## Question 5 – Analogy
Bird is to Nest as Dog is to:
A. Kennel
B. Tree
C. River
D. Cage
**Answer: A. Kennel**
Explanation:
A bird lives in a nest.
A dog may live in a kennel.
---
## Question 6 – Ranking
Riya is taller than Aman.
Aman is taller than Raj.
Who is the tallest?
A. Raj
B. Aman
C. Riya
D. Cannot say
**Answer: C. Riya**
---
## Question 7 – Missing Number
**5, 10, 15, ___**
A. 18
B. 20
C. 25
D. 30
**Answer: B. 20**
---
## Question 8 – Classification
Which one does NOT belong?
A. Circle
B. Square
C. Triangle
D. Apple
**Answer: D. Apple**
Explanation:
The first three are shapes.
---
## Question 9 – Direction
Ravi walks forward.
Then he turns around and walks back.
In which direction is he moving now compared with his original direction?
A. Same direction
B. Opposite direction
C. Up
D. Down
**Answer: B. Opposite direction**
---
## Question 10 – Comparison
Which number is the smallest?
A. 18
B. 12
C. 15
D. 20
**Answer: B. 12**
---
## Question 11 – Pattern
Complete the pattern:
🟢 🟢 🔵 🟢 🟢 🔵 ___
A. 🟢
B. 🔵
C. 🔴
D. ⭐
**Answer: A. 🟢**
Explanation:
The pattern repeats:
Green → Green → Blue.
---
## Question 12 – Analogy
Hand is to Glove as Foot is to:
A. Cap
B. Shoe
C. Shirt
D. Belt
**Answer: B. Shoe**
---
## Question 13 – Odd One Out
Which is different?
A. 2
B. 4
C. 6
D. 9
**Answer: D. 9**
Explanation:
2, 4 and 6 are even numbers.
---
## Question 14 – Day Sequence
What comes after Monday?
A. Sunday
B. Tuesday
C. Wednesday
D. Friday
**Answer: B. Tuesday**
---
## Question 15 – Missing Shape
⭐ 🔵 ⭐ 🔵 ⭐ ___
A. ⭐
B. 🔵
C. 🟢
D. 🔺
**Answer: B. 🔵**
---
# 🟡 PART 2 – CLASS 2 REASONING QUESTIONS
## Question 16 – Number Series
Find the next number:
**5, 10, 15, 20, ___**
A. 22
B. 24
C. 25
D. 30
**Answer: C. 25**
---
## Question 17 – Number Pattern
**30, 27, 24, 21, ___**
A. 20
B. 19
C. 18
D. 17
**Answer: C. 18**
Explanation:
The numbers decrease by 3.
---
## Question 18 – Analogy
Book is to Reading as Pencil is to:
A. Writing
B. Eating
C. Sleeping
D. Running
**Answer: A. Writing**
---
## Question 19 – Odd One Out
Which is different?
A. Rose
B. Lotus
C. Mango
D. Sunflower
**Answer: C. Mango**
Explanation:
Rose, lotus and sunflower are flowers.
Mango is a fruit.
---
## Question 20 – Ranking
Aman is taller than Rohan.
Rohan is taller than Mohit.
Who is the shortest?
A. Aman
B. Rohan
C. Mohit
D. Cannot say
**Answer: C. Mohit**
---
## Question 21 – Alphabet Test
Which letter comes immediately after M?
A. L
B. N
C. O
D. P
**Answer: B. N**
---
## Question 22 – Alphabet Sequence
What comes next?
A, C, E, G, ___
A. H
B. I
C. J
D. K
**Answer: B. I**
Explanation:
One letter is skipped each time.
---
## Question 23 – Coding
If:
A = 1
B = 2
C = 3
Then what is the code for C?
A. 1
B. 2
C. 3
D. 4
**Answer: C. 3**
---
## Question 24 – Grouping
Which group contains only animals?
A. Dog, Cat, Cow
B. Rose, Dog, Cat
C. Mango, Apple, Cow
D. Car, Bus, Dog
**Answer: A. Dog, Cat, Cow**
---
## Question 25 – Classification
Which one is different?
A. Bus
B. Car
C. Bicycle
D. Apple
**Answer: D. Apple**
---
## Question 26 – Pattern
What comes next?
2, 4, 8, 10, 12, 14, ___
A. 15
B. 16
C. 18
D. 20
**Answer: B. 16**
Explanation:
From 8 onward, the sequence continues with even numbers.
---
## Question 27 – Days
If today is Tuesday, what day will it be tomorrow?
A. Monday
B. Wednesday
C. Thursday
D. Friday
**Answer: B. Wednesday**
---
## Question 28 – Direction
A boy walks north and then turns to his right.
Which direction is he facing?
A. West
B. East
C. South
D. North
**Answer: B. East**
---
## Question 29 – Shape Classification
Which shape has the greatest number of sides?
A. Triangle
B. Square
C. Pentagon
D. Circle
**Answer: C. Pentagon**
---
## Question 30 – Missing Number
**3 + 3 = 6**
**4 + 4 = 8**
**5 + 5 = ?**
A. 8
B. 9
C. 10
D. 11
**Answer: C. 10**
---
# 🔴 PART 3 – CLASS 3 REASONING QUESTIONS
## Question 31 – Number Series
Find the next number:
**3, 6, 9, 12, ___**
A. 14
B. 15
C. 16
D. 18
**Answer: B. 15**
---
## Question 32 – Number Series
**50, 45, 40, 35, ___**
A. 25
B. 28
C. 30
D. 32
**Answer: C. 30**
Explanation:
The numbers decrease by 5.
---
## Question 33 – Analogy
Eye is to Seeing as Ear is to:
A. Smelling
B. Hearing
C. Walking
D. Eating
**Answer: B. Hearing**
---
## Question 34 – Classification
Which one is different?
A. Mercury
B. Venus
C. Earth
D. Sun
**Answer: D. Sun**
Explanation:
Mercury, Venus and Earth are planets.
The Sun is a star.
---
## Question 35 – Alphabet Pattern
What comes next?
B, D, F, H, ___
A. I
B. J
C. K
D. L
**Answer: B. J**
---
## Question 36 – Coding-Decoding
If CAT is coded as:
C = 3
A = 1
T = 20
What is the code for DOG?
D = 4
O = 15
G = 7
A. 4-15-7
B. 3-15-7
C. 4-14-7
D. 5-15-8
**Answer: A. 4-15-7**
---
## Question 37 – Ranking
Five students stand in a line.
Riya is first.
Aman is second.
Tina is third.
Raj is fourth.
Mohan is fifth.
Who is standing immediately before Raj?
A. Riya
B. Aman
C. Tina
D. Mohan
**Answer: C. Tina**
---
## Question 38 – Direction Sense
A boy walks 5 steps north.
Then he turns right and walks 5 steps.
Which direction is he facing now?
A. North
B. South
C. East
D. West
**Answer: C. East**
---
## Question 39 – Odd One Out
Which number is different?
A. 12
B. 18
C. 24
D. 25
**Answer: D. 25**
Explanation:
12, 18 and 24 are even numbers.
25 is odd.
---
## Question 40 – Logical Sequence
Which should happen first?
A. Plant grows
B. Seed is planted
C. Plant produces flowers
D. Fruit develops
**Answer: B. Seed is planted**
Explanation:
A simple sequence is:
Seed planted → Plant grows → Flowers appear → Fruit develops.
---
# 🏆 ADVANCED CHALLENGE
## Question 41 – Number Pattern
Find the missing number:
**2, 5, 8, 11, ___**
A. 12
B. 13
C. 14
D. 15
**Answer: C. 14**
Explanation:
Each number increases by 3.
---
## Question 42 – Analogy
Fish is to Water as Bird is to:
A. Soil
B. Air
C. Fire
D. Road
**Answer: B. Air**
---
## Question 43 – Classification
Which does NOT belong?
A. January
B. March
C. Monday
D. December
**Answer: C. Monday**
Explanation:
January, March and December are months.
Monday is a day.
---
## Question 44 – Ranking
In a race, Riya finishes before Aman.
Aman finishes before Tina.
Who finishes first among these three?
A. Tina
B. Aman
C. Riya
D. Cannot say
**Answer: C. Riya**
---
## Question 45 – Calendar
If today is Friday, what day will it be after 2 days?
A. Saturday
B. Sunday
C. Monday
D. Tuesday
**Answer: B. Sunday**
---
## Question 46 – Mirror Thinking
If the word **CAT** is written on paper and viewed in a mirror, which side of the word appears closest to the mirror?
A. The C side
B. The T side
C. Both equally
D. Cannot say
**Answer: B. The T side**
Explanation:
When the mirror is placed beside the word, the side nearest the mirror is the T side.
---
## Question 47 – Figure Thinking
A square has 4 sides.
Two squares are placed separately.
How many sides do they have altogether?
A. 4
B. 6
C. 8
D. 10
**Answer: C. 8**
---
## Question 48 – Logical Thinking
There are three boxes:
Box A is heavier than Box B.
Box B is heavier than Box C.
Which box is the heaviest?
A. Box A
B. Box B
C. Box C
D. Cannot say
**Answer: A. Box A**
---
## Question 49 – Missing Number
Find the missing number:
**10, 20, 40, 80, ___**
A. 100
B. 120
C. 140
D. 160
**Answer: D. 160**
Explanation:
Each number is multiplied by 2.
10 × 2 = 20
20 × 2 = 40
40 × 2 = 80
80 × 2 = 160
---
## Question 50 – Olympiad Challenge
A sequence follows this rule:
**1 → 3**
**2 → 6**
**3 → 9**
Then:
**5 → ?**
A. 10
B. 12
C. 15
D. 20
**Answer: C. 15**
Explanation:
The number is multiplied by 3.
5 × 3 = **15**
---
# 🏆 COMPLETE ANSWER KEY
| Question | Answer |
|---|---|
| 1 | B |
| 2 | D |
| 3 | A |
| 4 | B |
| 5 | A |
| 6 | C |
| 7 | B |
| 8 | D |
| 9 | B |
| 10 | B |
| 11 | A |
| 12 | B |
| 13 | D |
| 14 | B |
| 15 | B |
| 16 | C |
| 17 | C |
| 18 | A |
| 19 | C |
| 20 | C |
| 21 | B |
| 22 | B |
| 23 | C |
| 24 | A |
| 25 | D |
| 26 | B |
| 27 | B |
| 28 | B |
| 29 | C |
| 30 | C |
| 31 | B |
| 32 | C |
| 33 | B |
| 34 | D |
| 35 | B |
| 36 | A |
| 37 | C |
| 38 | C |
| 39 | D |
| 40 | B |
| 41 | C |
| 42 | B |
| 43 | C |
| 44 | C |
| 45 | B |
| 46 | B |
| 47 | C |
| 48 | A |
| 49 | D |
| 50 | C |
---
# ⭐ How Did You Perform?
### 🏆 45–50 Correct
Excellent!
Your logical thinking skills are very strong.
### 🌟 38–44 Correct
Very good!
You have a strong reasoning foundation.
### 👍 30–37 Correct
Good work!
Practise patterns, analogy and classification regularly.
### 💪 20–29 Correct
Good beginning.
Focus on basic reasoning concepts and practise a few questions every day.
### 📚 Below 20
Don't worry.
Start with Class 1-level reasoning questions and gradually move towards harder problems.
---
# 🧠 Important Olympiad Reasoning Topics
Depending on the examination and class, reasoning may include:
- Number patterns
- Alphabet patterns
- Odd one out
- Analogy
- Classification
- Ranking
- Coding-decoding
- Grouping
- Spatial understanding
- Geometrical figures
- Mirror images
- Embedded figures
- Possible combinations
- Clock and calendar
- Direction sense
- Logical sequences
These topics appear across current Olympiad syllabi, although the exact level and combination varies by organiser. :contentReference[oaicite:2]{index=2}
For example, the current SOF Class 3 IMO syllabus explicitly includes patterns, analogy/classification, alphabet test, coding-decoding, ranking, grouping of figures, mirror images, geometrical shapes, embedded figures, possible combinations, and clock/calendar. :contentReference[oaicite:3]{index=3}
---
# 🎯 How to Improve Logical Reasoning
Use this simple method:
### STEP 1
Understand the question.
### STEP 2
Look for a pattern.
### STEP 3
Remove impossible options.
### STEP 4
Think step-by-step.
### STEP 5
Select the answer.
### STEP 6
Check why the other options are wrong.
This develops logical thinking rather than guessing.
---
# 👨👩👧 Parent Tip
Don't tell the child the answer immediately.
Instead ask:
**"What pattern can you see?"**
**"Which option can we eliminate?"**
**"What happened in the previous two steps?"**
**"Can you explain your answer?"**
These questions help develop independent thinking.
---
# ⏰ 15-Minute Daily Reasoning Challenge
Parents can create a simple daily routine:
### 5 minutes
Pattern questions
### 5 minutes
Analogy/classification
### 5 minutes
One challenging puzzle
That's it.
The objective is **regular thinking practice**, not long study sessions.
---
# 📈 Track Your Progress
| Week | Questions Attempted | Correct | Accuracy |
|---|---:|---:|---:|
| Week 1 | 30 | 20 | 67% |
| Week 2 | 30 | 23 | 77% |
| Week 3 | 30 | 26 | 87% |
| Week 4 | 30 | 28 | 93% |
Watch the accuracy improve over time.
---
# 🌟 More Olympiad Resources from Olympiad Digital
Continue learning with:
👉 20 Maths Olympiad Questions for Class 1
👉 20 Maths Olympiad Questions for Class 2
👉 20 Maths Olympiad Questions for Class 3
👉 20 Science Olympiad Questions for Class 1
👉 20 Science Olympiad Questions for Class 2
👉 20 Science Olympiad Questions for Class 3
👉 How to Start Olympiad Preparation from Class 1
👉 How to Prepare for Olympiad Exams at Home
👉 How to Improve Olympiad Score and Rank
👉 Olympiad Exam Syllabus for Classes 1–12
---
# Final Thoughts
Logical reasoning is not about memorising answers.
It is about learning to:
**Observe.**
**Compare.**
**Find patterns.**
**Think.**
**Eliminate wrong options.**
**Solve problems.**
With regular practice, even difficult-looking questions can become easier.
Start with simple questions.
Build confidence.
Then gradually increase the difficulty.
### 🧠 Think Smart.
### 🔍 Find the Pattern.
### 📚 Practise Daily.
### 🏆 Improve Your Olympiad Skills.
**Olympiad Digital**
**Learn. Practise. Think. Improve.**