# 30 Maths Olympiad Questions for Class 6 with Answers
Are you looking for challenging Maths Olympiad questions for Class 6?
Welcome to Olympiad Digital's Class 6 Maths Olympiad Practice Test!
Class 6 is an important stage in Mathematics. Students begin working with integers, fractions, decimals, geometry, algebraic thinking, data handling and more advanced problem-solving.
This free practice set contains 30 multiple-choice Maths Olympiad questions.
Topics include:
- Number Patterns
- Whole Numbers
- Factors and Multiples
- Prime Numbers
- Integers
- Fractions
- Decimals
- Ratio and Proportion
- Geometry
- Lines and Angles
- Perimeter and Area
- Data Handling
- Algebra
- Symmetry
- HOTS Questions
Try to solve all questions before checking the answers.
Let's begin!
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# 🧮 CLASS 6 MATHS OLYMPIAD PRACTICE TEST
## Question 1 – Number System
Which is the greatest number?
A. 4,56,789
B. 4,65,789
C. 4,56,879
D. 4,65,798
Answer: D. 4,65,798
---
## Question 2 – Place Value
What is the place value of 8 in 5,83,421?
A. 8,000
B. 80,000
C. 8,00,000
D. 800
Answer: B. 80,000
---
## Question 3 – Number Pattern
Find the next number:
7, 14, 28, 56, ___
A. 84
B. 98
C. 112
D. 120
Answer: C. 112
Explanation:
Each number is multiplied by 2.
56 × 2 = 112
---
## Question 4 – Number Pattern
Find the missing number:
3, 8, 15, 24, 35, ___
A. 46
B. 48
C. 50
D. 52
Answer: B. 48
Explanation:
The differences are:
+5, +7, +9, +11
The next difference is +13.
35 + 13 = 48.
---
# 🔢 FACTORS, MULTIPLES & PRIME NUMBERS
## Question 5 – Factors
Which number is NOT a factor of 36?
A. 3
B. 4
C. 6
D. 8
Answer: D. 8
---
## Question 6 – Prime Numbers
Which of the following is a prime number?
A. 21
B. 27
C. 29
D. 33
Answer: C. 29
---
## Question 7 – Common Multiple
Which is the smallest common multiple of 6 and 8?
A. 12
B. 18
C. 24
D. 48
Answer: C. 24
---
## Question 8 – HCF
Find the HCF of 18 and 24.
A. 3
B. 6
C. 9
D. 12
Answer: B. 6
---
## Question 9 – LCM
Find the LCM of 4 and 6.
A. 8
B. 10
C. 12
D. 24
Answer: C. 12
---
# 🔴 INTEGERS
## Question 10 – Integers
Which number is the smallest?
A. -2
B. -7
C. 0
D. 3
Answer: B. -7
---
## Question 11 – Number Line
What is:
-5 + 8 = ?
A. -13
B. -3
C. 3
D. 13
Answer: C. 3
---
## Question 12 – Integer Challenge
What is:
7 - 12 = ?
A. -5
B. 5
C. -19
D. 19
Answer: A. -5
---
# 🥧 FRACTIONS
## Question 13 – Equivalent Fractions
Which fraction is equivalent to 3/4?
A. 6/8
B. 5/8
C. 9/16
D. 12/20
Answer: A. 6/8
---
## Question 14 – Fraction Addition
Find:
2/5 + 1/5 = ?
A. 2/10
B. 3/5
C. 3/10
D. 1/5
Answer: B. 3/5
---
## Question 15 – Fraction Comparison
Which fraction is greatest?
A. 1/2
B. 2/3
C. 3/5
D. 4/7
Answer: B. 2/3
---
## Question 16 – Fraction HOTS
Riya ate 2/8 of a pizza and Aman ate 3/8.
What fraction of the pizza did they eat altogether?
A. 4/8
B. 5/8
C. 6/8
D. 5/16
Answer: B. 5/8
---
# 🔢 DECIMALS
## Question 17 – Decimals
Which is the greatest?
A. 0.45
B. 0.405
C. 0.54
D. 0.504
Answer: C. 0.54
---
## Question 18 – Decimal Addition
Find:
3.45 + 2.30 = ?
A. 5.65
B. 5.75
C. 5.85
D. 6.75
Answer: B. 5.75
---
## Question 19 – Decimal Subtraction
Find:
8.5 - 3.75 = ?
A. 4.25
B. 4.50
C. 4.75
D. 5.25
Answer: C. 4.75
---
# 📐 GEOMETRY
## Question 20 – Lines and Angles
An angle measuring exactly 90° is called:
A. Acute angle
B. Right angle
C. Obtuse angle
D. Straight angle
Answer: B. Right angle
---
## Question 21 – Angles
An angle greater than 90° but less than 180° is:
A. Acute
B. Right
C. Obtuse
D. Straight
Answer: C. Obtuse
---
## Question 22 – Geometry
How many diagonals does a rectangle have?
A. 1
B. 2
C. 3
D. 4
Answer: B. 2
---
# 📏 PERIMETER & AREA
## Question 23 – Perimeter
A rectangle is 12 cm long and 7 cm wide.
What is its perimeter?
A. 19 cm
B. 28 cm
C. 38 cm
D. 84 cm
Answer: C. 38 cm
Explanation:
Perimeter = 2 × (12 + 7)
= 38 cm
---
## Question 24 – Area
A rectangle has length 15 cm and breadth 6 cm.
What is its area?
A. 21 cm²
B. 42 cm²
C. 90 cm²
D. 180 cm²
Answer: C. 90 cm²
---
## Question 25 – Area HOTS
A square has an area of 64 cm².
What is the length of each side?
A. 6 cm
B. 7 cm
C. 8 cm
D. 16 cm
Answer: C. 8 cm
---
# 📊 DATA HANDLING
## Question 26 – Data Interpretation
The marks scored by four students are:
Aman = 72
Riya = 85
Tina = 78
Raj = 91
Who scored the highest?
A. Aman
B. Riya
C. Tina
D. Raj
Answer: D. Raj
---
## Question 27 – Average Thinking
Four students read the following number of books:
Aman = 4
Riya = 6
Tina = 8
Raj = 10
What is the total number of books?
A. 24
B. 26
C. 28
D. 30
Answer: C. 28
---
# 🔤 BASIC ALGEBRA
## Question 28 – Algebra
If:
x + 7 = 15
What is x?
A. 6
B. 7
C. 8
D. 9
Answer: C. 8
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# 🧠 OLYMPIAD HOTS
## Question 29 – HOTS
A number is multiplied by 3 and then 5 is added.
The result is 26.
What is the number?
A. 6
B. 7
C. 8
D. 9
Answer: B. 7
Explanation:
3 × 7 + 5 = 26
Therefore, the number is 7.
---
## Question 30 – FINAL CHALLENGE
A rectangular field has a length of 20 metres and a breadth of 12 metres.
A farmer walks around the field twice.
How far does he walk altogether?
A. 64 m
B. 96 m
C. 128 m
D. 240 m
Answer: C. 128 m
Explanation:
Perimeter of field:
2 × (20 + 12)
= 64 m
He walks around it twice:
64 × 2 = 128 m
Therefore, the answer is 128 metres.
---
# 🏆 COMPLETE ANSWER KEY
| Q. | Answer | Q. | Answer |
|---|---|---|---|
| 1 | D | 16 | B |
| 2 | B | 17 | C |
| 3 | C | 18 | B |
| 4 | B | 19 | C |
| 5 | D | 20 | B |
| 6 | C | 21 | C |
| 7 | C | 22 | B |
| 8 | B | 23 | C |
| 9 | C | 24 | C |
| 10 | B | 25 | C |
| 11 | C | 26 | D |
| 12 | A | 27 | C |
| 13 | A | 28 | C |
| 14 | B | 29 | B |
| 15 | B | 30 | C |
---
# 📊 CHECK YOUR SCORE
### 🏆 27–30 Correct — OLYMPIAD CHAMPION
Outstanding!
Your mathematical thinking and problem-solving skills are excellent.
### 🌟 23–26 Correct — EXCELLENT
Very strong performance.
Keep practising challenging questions.
### 👍 18–22 Correct — VERY GOOD
You have a good foundation.
Review the questions you missed.
### 💪 12–17 Correct — GOOD START
Keep practising regularly.
Focus on your weaker topics.
### 📚 BELOW 12 — KEEP PRACTISING
Don't worry!
Go back to the basic concepts and try the test again.
Every mistake is a learning opportunity.
---
# 🎯 TOPICS TO MASTER FOR CLASS 6 MATHS OLYMPIAD
Students should regularly practise:
- Number Patterns
- Whole Numbers
- Prime Numbers
- Factors and Multiples
- HCF and LCM
- Integers
- Fractions
- Decimals
- Lines and Angles
- Geometry
- Perimeter and Area
- Data Handling
- Algebra
- Symmetry
- HOTS Questions
These topics broadly align with the current Class 6 Olympiad mathematics syllabus, including the current SOF IMO Class 6 topic list.
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# ⏰ 20-MINUTE DAILY MATHS OLYMPIAD PLAN
### 5 Minutes
Number patterns and mental maths.
### 5 Minutes
Fractions, decimals and integers.
### 5 Minutes
Geometry and measurement.
### 5 Minutes
One HOTS or Olympiad challenge question.
Regular practice can improve both speed and accuracy.
---
# 🧠 HOW TO SOLVE OLYMPIAD QUESTIONS
Don't rush to choose an option.
Use this simple method:
### STEP 1
Read the question carefully.
### STEP 2
Identify what information is given.
### STEP 3
Identify what needs to be found.
### STEP 4
Choose the correct mathematical operation or concept.
### STEP 5
Solve step-by-step.
### STEP 6
Check whether your answer makes sense.
---
# 👨👩👧 PARENT TIP
Instead of immediately giving the answer, ask:
"What information is given?"
"What do you need to find?"
"Which mathematical concept can you use?"
"Can you solve it another way?"
This encourages mathematical thinking rather than memorisation.
---
# 📈 TRACK YOUR PROGRESS
| Test | Score | Accuracy |
|---|---:|---:|
| Test 1 | 18/30 | 60% |
| Test 2 | 21/30 | 70% |
| Test 3 | 24/30 | 80% |
| Test 4 | 27/30 | 90% |
| Test 5 | 30/30 | 100% |
Your goal:
## THINK → SOLVE → CHECK → IMPROVE
---
# 🌟 MORE OLYMPIAD RESOURCES FROM OLYMPIAD DIGITAL
👉 30 Maths Olympiad Questions for Class 5
👉 30 Science Olympiad Questions for Class 5
👉 30 Olympiad Reasoning Questions for Class 5
👉 50 Class 5 Mixed Olympiad Mock Test
👉 30 Maths Olympiad Questions for Class 4
👉 20 Science Olympiad Questions for Class 4
👉 30 Olympiad Reasoning Questions for Class 4
👉 50 Class 4 Mixed Olympiad Mock Test
👉 How to Start Olympiad Preparation from Class 1
👉 How to Prepare for Olympiad Exams at Home
👉 Olympiad Exam Syllabus for Classes 1–12
👉 Olympiad Books and Study Resources
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# 📚 FINAL THOUGHTS
Class 6 Mathematics introduces many exciting new concepts.
Don't be afraid of difficult questions.
Start with the basics.
Understand the concept.
Practise regularly.
Then challenge yourself with HOTS questions.
Remember:
**Learn the concept.**
**Understand the method.**
**Practise the problem.**
**Check your answer.**
**Improve every day.**
### 🧮 Learn.
### 🧠 Think.
### 🧩 Solve.
### 🏆 Improve.
**Olympiad Digital**
**Learn. Practise. Think. Improve.**