What is Exam Sprinter?

Exam Sprinter is an AI-powered platform designed for competitive exam preparation like UPSC, JEE, NEET, and SSC. It offers personalized study plans, unlimited practice questions, and real-time AI tutoring.

How does Exam Sprinter help with preparation?

Exam Sprinter uses AI to create personalized study plans based on your strengths and weaknesses. You get access to unlimited AI-generated mocks, deep analytics, and 24/7 AI tutor support for instant doubt resolution.

Is Exam Sprinter free to use?

Yes, Exam Sprinter offers free access to start your preparation for exams like JEE, NEET, SSC, and UPSC. Download the app to drop in and start learning.

Number System MCQs (Free Practice Questions)

Practice 10 carefully selected Number System MCQs with explanations. Continue practicing 500+ chapter-wise questions inside the Exam Sprinter app.

What is Number System?

Number System covers the essential principles and concepts required for SSC CGL.

💡 Why Study Number System?

Highly important, frequently tested in SSC CGL.

Parameter	Details / Relevance
Target Exam	SSC CGL
Subject Category	Quantitative Aptitude
Recommended Study Duration	10 Hours
Expected Questions	2 Questions
Difficulty Index	Medium
Interactive Solved MCQs	10 Questions (Complete Explanations)
Adaptive App Practice	500+ Questions & AI Tutor Supported

⚠️ Common Pitfalls to Avoid

Neglecting foundational prerequisites (make sure you review related chapters in the learning path).
Calculation and sign convention errors during numerical steps.
Confusing intermediate results with the final correct answer options.

🗺️ Recommended learning path

Number System (Current)➔Simplification

What You Will Learn

✓ Number System Fundamentals
✓ Key applications of Number System
✓ Advanced problem solving in Number System

Cheat Sheet & Formulas

$$\text{Speed} = \frac{\text{Distance}}{\text{Time}}$$
$$\text{Work} = \text{Efficiency} \times \text{Time}$$

Practice Questions

⏱ 60sHard

The ratio of two numbers is 3:4 and their LCM is 180. The first number is:

⏱ 65sMedium

If the price of petrol increases by 25%, by what percentage must a user reduce his consumption so that expenditure remains unchanged?

⏱ 70sEasy

A sum of money at compound interest doubles itself in 15 years. It will become 8 times of itself in:

⏱ 75sHard

A sphere of radius $6\text{ cm}$ is melted and recast into a wire of radius $0.2\text{ cm}$ . The length of the wire is:

⏱ 80sMedium

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

⏱ 85sEasy

In a mixture of Number System, two types of liquids are mixed in the ratio $8 : 2$ . If $10$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?

⏱ 90sHard

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

⏱ 95sMedium

In a mixture of Number System, two types of liquids are mixed in the ratio $10 : 2$ . If $12$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?

⏱ 100sEasy

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

Q10

⏱ 105sHard

In a mixture of Number System, two types of liquids are mixed in the ratio $12 : 2$ . If $14$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?

Chapter Guide ✓→Formulas ✓→10 Questions ✓→Next: 500+ Questions in App

Want to master Number System?

You've just completed 10 questions. Continue practicing in the Exam Sprinter app to reach mastery.

📱Offline Practice

🤖AI-Powered Learning

📚100,000+ Questions

⭐Highly Rated on Google Play

Frequently Asked Questions

Is Number System difficult for the exam?▼

Yes, Number System requires strong conceptual clarity and practice of standard SSC CGL style questions.

✓ Key Takeaways for Number System

High exam relevance: 2 questions on average are expected from this chapter.
Standard formulas: Comprehensive formula sheets and formulas are fully covered in the cheat sheet section above.
Practice and explanation: 10 standard MCQs are solved step-by-step to clarify common numerical and conceptual methods.
Step-by-step learning: Start with the formulas, work through the questions, and then download the mobile app for extensive practice.

Number System MCQs (Free Practice Questions)

🤖 Quick AI Summary

What is Number System?

💡 Why Study Number System?

⚠️ Common Pitfalls to Avoid

🗺️ Recommended learning path

What You Will Learn

Cheat Sheet & Formulas

Practice Questions

The ratio of two numbers is 3:4 and their LCM is 180. The first number is:

If the price of petrol increases by 25%, by what percentage must a user reduce his consumption so that expenditure remains unchanged?

A sum of money at compound interest doubles itself in 15 years. It will become 8 times of itself in:

A sphere of radius $6\text{ cm}$ is melted and recast into a wire of radius $0.2\text{ cm}$ . The length of the wire is:

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio $8 : 2$ . If $10$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio $10 : 2$ . If $12$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio $12 : 2$ . If $14$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?

Want to master Number System?

Frequently Asked Questions

✓ Key Takeaways for Number System

🔗 Related Study Resources

Number System MCQs (Free Practice Questions)

🤖 Quick AI Summary

What is Number System?

💡 Why Study Number System?

⚠️ Common Pitfalls to Avoid

🗺️ Recommended learning path

What You Will Learn

Cheat Sheet & Formulas

Practice Questions

The ratio of two numbers is 3:4 and their LCM is 180. The first number is:

If the price of petrol increases by 25%, by what percentage must a user reduce his consumption so that expenditure remains unchanged?

A sum of money at compound interest doubles itself in 15 years. It will become 8 times of itself in:

A sphere of radius 6 cm6\text{ cm}6 cm is melted and recast into a wire of radius 0.2 cm0.2\text{ cm}0.2 cm. The length of the wire is:

If sin⁡θ+cos⁡θ=2cos⁡θ\sin \theta + \cos \theta = \sqrt2 \cos \thetasinθ+cosθ=2​cosθ, then the value of cos⁡θ−sin⁡θ\cos \theta - \sin \thetacosθ−sinθ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio 8:28 : 28:2. If 101010 liters of the mixture are replaced with the second liquid, the ratio becomes 1:11 : 11:1. What was the total volume?

If sin⁡θ+cos⁡θ=2cos⁡θ\sin \theta + \cos \theta = \sqrt2 \cos \thetasinθ+cosθ=2​cosθ, then the value of cos⁡θ−sin⁡θ\cos \theta - \sin \thetacosθ−sinθ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio 10:210 : 210:2. If 121212 liters of the mixture are replaced with the second liquid, the ratio becomes 1:11 : 11:1. What was the total volume?

If sin⁡θ+cos⁡θ=2cos⁡θ\sin \theta + \cos \theta = \sqrt2 \cos \thetasinθ+cosθ=2​cosθ, then the value of cos⁡θ−sin⁡θ\cos \theta - \sin \thetacosθ−sinθ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio 12:212 : 212:2. If 141414 liters of the mixture are replaced with the second liquid, the ratio becomes 1:11 : 11:1. What was the total volume?

Want to master Number System?

Frequently Asked Questions

✓ Key Takeaways for Number System

🔗 Related Study Resources

A sphere of radius $6\text{ cm}$ is melted and recast into a wire of radius $0.2\text{ cm}$ . The length of the wire is:

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio $8 : 2$ . If $10$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio $10 : 2$ . If $12$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?

If $\sin \theta + \cos \theta = \sqrt2 \cos \theta$ , then the value of $\cos \theta - \sin \theta$ in Number System is:

In a mixture of Number System, two types of liquids are mixed in the ratio $12 : 2$ . If $14$ liters of the mixture are replaced with the second liquid, the ratio becomes $1 : 1$ . What was the total volume?