# 50 Class 7 Olympiad Questions – Maths, Science & Reasoning Mock Test
Are you ready for the ultimate Class 7 Olympiad challenge?
Welcome to Olympiad Digital's Class 7 Mixed Olympiad Mock Test!
This free practice test contains 50 questions from:
🧮 Mathematics
🔬 Science
🧠 Logical Reasoning
🏆 Higher-Order Thinking Skills
The test is designed to help Class 7 students improve:
- Conceptual understanding
- Logical thinking
- Problem-solving
- Application skills
- Calculation speed
- Scientific reasoning
- Accuracy
- Time management
## Total Questions: 50
## Recommended Time: 60 Minutes
### Mathematics: Questions 1–20
### Science: Questions 21–35
### Reasoning: Questions 36–45
### Olympiad Challenge: Questions 46–50
Try to complete the test before checking the answer key.
Let's begin!
---
# 🧮 SECTION A – MATHEMATICS
## Question 1 – Integers
Find:
(-15) + 22 = ?
A. -37
B. -7
C. 7
D. 37
Answer: C. 7
---
## Question 2 – Integers
Find:
(-8) × 6 = ?
A. -48
B. -14
C. 14
D. 48
Answer: A. -48
---
## Question 3 – Fractions
Find:
3/5 + 7/10 = ?
A. 9/10
B. 11/10
C. 13/10
D. 15/10
Answer: C. 13/10
Explanation:
3/5 = 6/10
6/10 + 7/10 = 13/10.
---
## Question 4 – Decimals
Find:
8.5 - 3.75 = ?
A. 4.25
B. 4.50
C. 4.75
D. 5.25
Answer: C. 4.75
---
## Question 5 – Exponents
What is:
3⁴ = ?
A. 12
B. 27
C. 64
D. 81
Answer: D. 81
---
## Question 6 – Rational Numbers
Which is the greatest?
A. -3/4
B. -1/2
C. 0
D. -1/4
Answer: C. 0
---
## Question 7 – Algebra
If x = 6, find:
4x + 5
A. 24
B. 29
C. 30
D. 35
Answer: B. 29
---
## Question 8 – Simple Equation
Solve:
2x + 6 = 20
A. 5
B. 6
C. 7
D. 8
Answer: C. 7
---
## Question 9 – Percentage
Find 20% of 350.
A. 50
B. 60
C. 70
D. 80
Answer: C. 70
---
## Question 10 – Ratio
The ratio of boys to girls is 3:2.
If there are 24 boys, how many girls are there?
A. 12
B. 14
C. 16
D. 18
Answer: C. 16
---
## Question 11 – Lines and Angles
Two supplementary angles are 70° and x°.
Find x.
A. 100°
B. 110°
C. 120°
D. 130°
Answer: B. 110°
---
## Question 12 – Triangle
Two angles of a triangle are 45° and 65°.
Find the third angle.
A. 60°
B. 65°
C. 70°
D. 75°
Answer: C. 70°
---
## Question 13 – Perimeter
A rectangle is 18 cm long and 7 cm wide.
Find its perimeter.
A. 25 cm
B. 36 cm
C. 50 cm
D. 126 cm
Answer: C. 50 cm
---
## Question 14 – Area
A rectangular garden is 15 m long and 8 m wide.
Find its area.
A. 23 m²
B. 46 m²
C. 100 m²
D. 120 m²
Answer: D. 120 m²
---
## Question 15 – Data Handling
Find the mean of:
12, 18, 20, 10, 15
A. 13
B. 14
C. 15
D. 16
Answer: C. 15
Explanation:
12 + 18 + 20 + 10 + 15 = 75
75 ÷ 5 = 15.
---
## Question 16 – Number Pattern
Find the next number:
5, 10, 20, 40, ___
A. 60
B. 70
C. 80
D. 90
Answer: C. 80
---
## Question 17 – Factors
Which is the HCF of 36 and 48?
A. 6
B. 8
C. 12
D. 16
Answer: C. 12
---
## Question 18 – LCM
Find the LCM of 8 and 12.
A. 16
B. 20
C. 24
D. 32
Answer: C. 24
---
## Question 19 – Algebra HOTS
A number is multiplied by 4 and 3 is added.
The result is 27.
What is the number?
A. 5
B. 6
C. 7
D. 8
Answer: B. 6
Explanation:
4 × 6 + 3 = 27.
---
## Question 20 – Maths Challenge
A square has a perimeter of 52 cm.
What is its area?
A. 144 cm²
B. 156 cm²
C. 169 cm²
D. 196 cm²
Answer: C. 169 cm²
Explanation:
Side = 52 ÷ 4 = 13 cm
Area = 13 × 13 = 169 cm².
---
# 🔬 SECTION B – SCIENCE
## Question 21 – Photosynthesis
Which gas is used by green plants during photosynthesis?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen
Answer: C. Carbon dioxide
---
## Question 22 – Transportation in Plants
Which tissue transports water and minerals from roots to other parts of the plant?
A. Phloem
B. Xylem
C. Stomata
D. Epidermis
Answer: B. Xylem
---
## Question 23 – Transportation of Food
Which tissue transports food prepared by leaves?
A. Xylem
B. Phloem
C. Root hair
D. Stomata
Answer: B. Phloem
---
## Question 24 – Respiration
Which gas is generally required for aerobic respiration?
A. Carbon dioxide
B. Oxygen
C. Nitrogen
D. Hydrogen
Answer: B. Oxygen
---
## Question 25 – Acids and Bases
Which substance is acidic?
A. Soap solution
B. Lemon juice
C. Baking soda solution
D. Lime water
Answer: B. Lemon juice
---
## Question 26 – Neutralisation
The reaction between an acid and a base is called:
A. Oxidation
B. Neutralisation
C. Evaporation
D. Condensation
Answer: B. Neutralisation
---
## Question 27 – Metals
Which metal is commonly used for electrical wiring because of its good electrical conductivity?
A. Copper
B. Sulphur
C. Carbon
D. Phosphorus
Answer: A. Copper
---
## Question 28 – Heat
Heat generally flows from:
A. Cold object to hot object
B. Hot object to cold object
C. Both objects equally
D. Only through metals
Answer: B. Hot object to cold object
---
## Question 29 – Conductors
Which is a good conductor of heat?
A. Plastic
B. Rubber
C. Copper
D. Wood
Answer: C. Copper
---
## Question 30 – Physical Change
Which is a physical change?
A. Rusting iron
B. Burning paper
C. Melting ice
D. Cooking food
Answer: C. Melting ice
---
## Question 31 – Chemical Change
Which is a chemical change?
A. Cutting paper
B. Breaking glass
C. Rusting iron
D. Melting wax
Answer: C. Rusting iron
---
## Question 32 – Motion
An object is said to be in motion when:
A. Its position changes with time
B. Its colour changes
C. Its mass changes
D. Its shape remains unchanged
Answer: A. Its position changes with time
---
## Question 33 – Speed
A cyclist travels 90 km in 3 hours.
What is the average speed?
A. 20 km/h
B. 30 km/h
C. 40 km/h
D. 60 km/h
Answer: B. 30 km/h
---
## Question 34 – Electricity
Which component provides electrical energy in a simple circuit?
A. Bulb
B. Switch
C. Cell
D. Wire
Answer: C. Cell
---
## Question 35 – Light
Why does the Moon appear bright?
A. It produces its own light
B. It reflects sunlight
C. It contains fire
D. It produces electricity
Answer: B. It reflects sunlight
---
# 🧠 SECTION C – REASONING
## Question 36 – Number Series
Find the next number:
3, 7, 13, 21, 31, ___
A. 41
B. 42
C. 43
D. 45
Answer: C. 43
Explanation:
+4, +6, +8, +10, +12
31 + 12 = 43.
---
## Question 37 – Alphabet Series
Find the next letter:
D, G, J, M, ___
A. N
B. O
C. P
D. Q
Answer: C. P
---
## Question 38 – Analogy
Book : Reading :: Food : ?
A. Cooking
B. Eating
C. Buying
D. Selling
Answer: B. Eating
---
## Question 39 – Coding-Decoding
If CAT is coded as DBU, how is DOG coded?
A. EPH
B. EOG
C. FPH
D. DPH
Answer: A. EPH
---
## Question 40 – Classification
Which is different?
A. 16
B. 25
C. 36
D. 45
Answer: D. 45
---
## Question 41 – Blood Relation
A is the mother of B.
B is the brother of C.
How is A related to C?
A. Sister
B. Aunt
C. Mother
D. Grandmother
Answer: C. Mother
---
## Question 42 – Direction
A boy walks 10 m North.
He then turns right and walks 10 m.
Which direction is he facing?
A. North
B. South
C. East
D. West
Answer: C. East
---
## Question 43 – Ranking
Aman is taller than Ravi.
Ravi is taller than Karan.
Karan is taller than Mohan.
Who is the shortest?
A. Aman
B. Ravi
C. Karan
D. Mohan
Answer: D. Mohan
---
## Question 44 – Alpha-Numeric Series
Find the next term:
A1, C3, E5, G7, ___
A. H8
B. I9
C. J10
D. K11
Answer: B. I9
---
## Question 45 – Logical Sequence
Arrange these in the correct order:
1. Fruit
2. Seed
3. Plant
4. Flower
A. 2, 3, 4, 1
B. 3, 2, 4, 1
C. 2, 4, 3, 1
D. 4, 2, 3, 1
Answer: A. 2, 3, 4, 1
---
# 🏆 SECTION D – OLYMPIAD CHALLENGE
## Question 46 – Maths HOTS
A number is divided by 3 and then 5 is added.
The result is 13.
What is the number?
A. 18
B. 21
C. 24
D. 27
Answer: C. 24
Explanation:
24 ÷ 3 + 5
= 8 + 5
= 13.
---
## Question 47 – Science HOTS
A student places a metal spoon and a wooden spoon in the same room.
The metal spoon feels colder when touched.
Why?
A. Metal has a much lower temperature
B. Metal conducts heat away from the hand faster
C. Wood produces heat
D. Metal contains water
Answer: B. Metal conducts heat away from the hand faster.
---
## Question 48 – Reasoning HOTS
Find the missing number:
2 → 6
3 → 12
4 → 20
5 → ?
A. 25
B. 28
C. 30
D. 35
Answer: C. 30
Explanation:
n × (n + 1)
5 × 6 = 30.
---
## Question 49 – Maths + Logic
A rectangular field is 25 m long and 15 m wide.
A student walks around the field twice.
How far does the student walk?
A. 80 m
B. 100 m
C. 160 m
D. 200 m
Answer: C. 160 m
Explanation:
Perimeter:
2 × (25 + 15)
= 80 m
Two rounds:
80 × 2 = 160 m.
---
## Question 50 – FINAL OLYMPIAD CHALLENGE
A class has 72 students.
They are divided equally into 6 groups.
Each group is then divided into 3 equal teams.
How many students are in each team?
A. 3
B. 4
C. 5
D. 6
Answer: B. 4
Explanation:
72 ÷ 6 = 12
12 ÷ 3 = 4
Therefore, each team has 4 students.
---
# 🏆 COMPLETE ANSWER KEY
| Q. | Answer | Q. | Answer |
|---|---|---|---|
| 1 | C | 26 | B |
| 2 | A | 27 | A |
| 3 | C | 28 | B |
| 4 | C | 29 | C |
| 5 | D | 30 | C |
| 6 | C | 31 | C |
| 7 | B | 32 | A |
| 8 | C | 33 | B |
| 9 | C | 34 | C |
| 10 | C | 35 | B |
| 11 | B | 36 | C |
| 12 | C | 37 | C |
| 13 | C | 38 | B |
| 14 | D | 39 | A |
| 15 | C | 40 | D |
| 16 | C | 41 | C |
| 17 | C | 42 | C |
| 18 | C | 43 | D |
| 19 | B | 44 | B |
| 20 | C | 45 | A |
| 21 | C | 46 | C |
| 22 | B | 47 | B |
| 23 | B | 48 | C |
| 24 | B | 49 | C |
| 25 | B | 50 | B |
---
# 📊 CHECK YOUR SCORE
Give yourself 1 mark for every correct answer.
## 🏆 45–50 — OLYMPIAD CHAMPION
Outstanding!
You have demonstrated excellent conceptual understanding, logical thinking and problem-solving ability.
## 🌟 40–44 — EXCELLENT
Very strong performance.
You are developing excellent Olympiad skills.
## 👍 35–39 — VERY GOOD
Good preparation!
Review your mistakes and practise more HOTS questions.
## 💪 25–34 — GOOD START
You have a foundation to build on.
Identify your weak subjects and practise them regularly.
## 📚 BELOW 25 — KEEP PRACTISING
Don't worry!
Every mistake is an opportunity to learn.
Try the test again after revision.
---
# 🎯 SUBJECT-WISE SCORE
### 🧮 Mathematics
Questions 1–20
Score: ___ / 20
### 🔬 Science
Questions 21–35
Score: ___ / 15
### 🧠 Reasoning
Questions 36–45
Score: ___ / 10
### 🏆 Olympiad Challenge
Questions 46–50
Score: ___ / 5
---
# 📈 FIND YOUR WEAK AREA
### Mathematics below 15/20?
Revise:
- Integers
- Fractions
- Decimals
- Algebra
- Equations
- Percentages
- Ratio
- Geometry
- Data Handling
### Science below 11/15?
Revise:
- Plants
- Animals
- Acids and Bases
- Metals and Non-metals
- Heat
- Motion
- Electricity
- Light
### Reasoning below 7/10?
Practise:
- Series
- Coding
- Analogy
- Classification
- Blood Relations
- Direction Sense
- Ranking
- Logical Sequences
---
# ⏰ 60-MINUTE MOCK TEST STRATEGY
## First 20 Minutes
Solve easy and familiar questions.
Don't spend too much time on one question.
## Next 20 Minutes
Solve calculation-based and application questions.
## Final 20 Minutes
Attempt HOTS questions and review your answers.
### GOLDEN RULE:
## Don't get stuck on one question.
Move ahead.
Return later.
---
# 🧠 OLYMPIAD SUCCESS FORMULA
## READ → UNDERSTAND → THINK → SOLVE → CHECK
Don't simply memorise answers.
Understand the concept behind every question.
---
# 👨👩👧 PARENT TIP
After the test, don't focus only on the score.
Ask your child:
"Which question was easiest?"
"Which question was hardest?"
"Why was your answer wrong?"
"Can you solve it another way?"
"Which topic should we practise tomorrow?"
This converts a test into a learning opportunity.
---
# 🏆 CHALLENGE YOURSELF
After completing the test, try these:
### Challenge 1
Create your own number series.
### Challenge 2
Write one Science HOTS question.
### Challenge 3
Create one coding-decoding question.
### Challenge 4
Find the perimeter of your study table.
### Challenge 5
Explain why a bulb does not glow in an open circuit.
---
# 📚 CLASS 7 OLYMPIAD LEARNING PATH
You have now completed:
### 🧮 BLOG #30
30 Maths Olympiad Questions for Class 7
### 🔬 BLOG #31
30 Science Olympiad Questions for Class 7
### 🧠 BLOG #32
30 Reasoning Olympiad Questions for Class 7
### 🏆 BLOG #33
50 Class 7 Mixed Olympiad Mock Test
This gives students a complete Class 7 practice pathway.
---
# 🌟 MORE OLYMPIAD RESOURCES FROM OLYMPIAD DIGITAL
## CLASS 7
👉 30 Maths Olympiad Questions for Class 7
👉 30 Science Olympiad Questions for Class 7
👉 30 Reasoning Olympiad Questions for Class 7
👉 50 Class 7 Mixed Olympiad Mock Test
## CLASS 6
👉 30 Maths Olympiad Questions for Class 6
👉 30 Science Olympiad Questions for Class 6
👉 30 Reasoning Olympiad Questions for Class 6
👉 50 Class 6 Mixed Olympiad Mock Test
## CLASS 5
👉 30 Maths Olympiad Questions for Class 5
👉 30 Science Olympiad Questions for Class 5
👉 30 Reasoning Olympiad Questions for Class 5
👉 50 Class 5 Mixed Olympiad Mock Test
---
# 📖 OLYMPIAD PREPARATION GUIDES
👉 How to Start Olympiad Preparation from Class 1
👉 How to Prepare for Olympiad Exams at Home
👉 Olympiad Exam Syllabus for Classes 1–12
👉 How to Improve Olympiad Problem-Solving Skills
👉 Olympiad Books and Study Resources
---
# 🏆 FINAL THOUGHTS
Olympiad exams are not only about getting correct answers.
They teach students to:
🧠 Think independently
🔍 Analyse problems
🧮 Apply concepts
🔬 Understand science
⏰ Manage time
🎯 Improve accuracy
🏆 Build confidence
Every question you solve makes you a better problem solver.
Remember:
### 🧮 LEARN
### 🧠 THINK
### 🔍 ANALYSE
### ✏️ SOLVE
### 🏆 IMPROVE
**Olympiad Digital**
**Learn. Practise. Think. Improve.**