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Quantitative Aptitude
SSC MTS, SSC quantitative aptitude
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Number System for SSC MTS | Concepts & Practice | SSC MTS Quantitative Aptitude
Build Number System accuracy for SSC MTS with concept clarity, key relations, exam-speed methods and approved practice.
Tailored for SSC MTS Quantitative Aptitude. 1 active practice questions. Related topics: Percentage, Profit and Loss, Simple Interest.
SSC MTS approach: For SSC MTS, build this topic around the core rule and a repeatable direct method. The goal is to reduce hesitation and make basic decisions quickly and correctly.
What to master: Master straightforward forms thoroughly, then add only small variations. Repeated short drills are more useful here than complicated mixed sets too early.
SSC MTS focus:
Master the core rule for SSC MTS and convert it into quick, low-error solving for straightforward objective questions.
Attempt strategy: For SSC MTS, lock the basic rule first, solve with the most direct method, and use short repeated drills to improve speed without adding complexity.
Revision path: MTS revision: basic concept -> direct example -> repeated short drill -> final recall.
SSC MTS exam emphasis for Number System
MTS emphasis: core concepts, direct solving, repetition, and low-error execution.
Most important error to avoid
Typical MTS loss comes from weak recall of the basic rule, sign or reading errors, or adding unnecessary complexity to an otherwise direct question.
SSC MTS Number System — SSC MTS study plan
Connect Number System to the objective-question workflow used in SSC MTS: recognise the concept, choose a clean method, solve, and verify.
How to practise this topic
Use a short progression from direct examples to mixed timed practice, increasing complexity only after accuracy is stable.
Mistakes to remove before the next set
Classify each error as concept, reading, calculation, grammar, or time-management related and correct the exact cause before repeating the set.
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Concept summary
Key formulas
Basic tricks
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Detailed solutions
Weak-area analytics
Why students use this page
Learn the shortcut first, then solve with less confusion
This page is built to show the shortcut, the trap, and the faster solving route before you start clicking through questions.
Avoid common traps
See where students commonly lose marks so you can eliminate bad options earlier.
Solve faster in exam
Apply one practical method before attempting MCQs and cut down hesitation.
Quick Summary
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Number System at a glance
Number System revision for SSC MTS: understand the base rule, apply the correct formula or relation, check common traps, then practise with approved questions.
Concept
Core idea
Number System covers divisibility, factors, multiples, remainders and properties of integers. SSC questions often reward recognition of divisibility or remainder patterns more than long arithmetic.
SSC MTS focus: Solve the core method first, then use the approved practice questions on this page to build exam-speed accuracy.
Short Notes
Fast revision notes
Number System revision rule: concept → formula/relation → one worked example → timed practice → error review.
Revision
Last-minute points
- Core concept
- Key formula/relation
- Common trap
- Approved practice
Formula Box
Free
Formula / key facts
- For two positive integers: HCF × LCM = product, when used for the same two numbers
- Dividend = Divisor × Quotient + Remainder
- 0 ≤ remainder < divisor
Shortcut Zone
Free
Tricks / shortcuts
Use divisibility rules and cyclic remainder patterns before attempting full multiplication or division.
Memory Trick
Remember faster
Use divisibility rules and cyclic remainder patterns before attempting full multiplication or division.
Next Step
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Exam Tips
How to score with this topic
- Read the exact requirement before choosing a shortcut.
- Keep units, signs and percentage bases consistent.
- Use the final few seconds to verify direction and magnitude.
Mistakes
Common traps to avoid
- Using a memorised shortcut without checking its condition.
- Skipping unit or base conversion.
- Doing long arithmetic before identifying the underlying relation.
Solved Example
Step-by-step example
SSC MTS practice example: Find the HCF of 18 and 24. Their greatest common factor is 6.
Practice Preview
Before you solve
- What is the HCF of 18 and 24?
Learn the shortcut first
Shortcut before you solve
Number system questions often hide an easy divisibility shortcut.
Featured shortcut
Check divisibility rules and parity before doing full calculations.
Exam-use rule
Use the matching divisibility rule before long division.
Use this in 3 seconds
For 3 and 9, check the digit sum before anything else.
Faster solving steps
Use this 4-step method before solving to keep your thinking fast and repeatable.
Step 1
Identify relation
Spot the pattern, relationship, or core idea first.
Step 2
Apply same pattern
Use the same rule instead of re-solving from scratch.
Step 3
Eliminate wrong options
Remove confusing choices before comparing the last few.
Step 4
Confirm final answer
Pick the option that matches the shortcut most cleanly.
Practice Questions
Start with the first 10 questions free, then unlock the rest with premium
Now apply the trick on real questions
Use the shortcut above before solving these questions
Check divisibility rules and parity before doing full calculations.
Tip: A number divisible by 3 has digit sum divisible by 3. A number divisible by 9 has digit sum divisible by 9.
Real exam shortcut before you solve
Is 234 divisible by 3?
Step 1
Add the digits: 2 + 3 + 4 = 9.
Step 2
Since 9 is divisible by 3, 234 is divisible by 3.
Rule
Use the matching divisibility rule before long division.
3-second trick
For 3 and 9, check the digit sum before anything else.
Trap to avoid
Doing full division when a digit rule gives the answer immediately.
Correct answer
Yes
Worked example
Is 234 divisible by 3?
Thinking path
- Digit sum is 9.
- 9 is divisible by 3.
- So 234 is divisible by 3.
Final answer: Yes
Why this is fast: Digit-sum tests save time and reduce arithmetic work.
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Q1
Easy
Which of the following is a prime number?
Concept type: Divisibility and remainder logic
Shortcut used: Check divisibility rules and parity before doing full calculations.
Quick hint: A number divisible by 3 has digit sum divisible by 3. A number divisible by 9 has digit sum divisible by 9.
Quick idea: 59 is a prime number.
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FAQ
Frequently asked questions
How should I revise Number System for SSC MTS?
Revise the core relation, solve one worked example, then attempt a short timed practice set.
Are these official PYQs?
No. Practice questions are labelled from ExamPrepWay's approved original/practice bank unless a verified official source is explicitly shown.
Continue your Prep
Keep momentum going with connected topics from Quantitative Aptitude and head back to the full subject roadmap when you want a broader revision path.
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