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SSC MTS Number System & Simplification Questions
Practise number system & simplification (quantitative aptitude) for the SSC Multi-Tasking (Non-Technical) Staff Examination: 10 multiple-choice questions, each with the correct answer and a worked explanation. Click an option to check it, or “New questions” for another set.
Number System & Simplification practice
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Q1.Find the LCM of 45 and 35.
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Answer: A — 315
LCM(45, 35) = 315. Check: HCF × LCM = 5 × 315 = 1575 = product of the numbers.
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Q2.What is √4,096?
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Answer: B — 64
64 × 64 = 4096, so √4096 = 64.
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Q3.What is √2,116?
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Answer: D — 46
46 × 46 = 2116, so √2116 = 46.
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Q4.Simplify: 98 + 10 × 7 − 43
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Answer: D — 125
BODMAS: multiply first — 10 × 7 = 70; then 98 + 70 − 43 = 125.
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Q5.Simplify: 13 + 10 × 3 − 44
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Answer: B — -1
BODMAS: multiply first — 10 × 3 = 30; then 13 + 30 − 44 = -1.
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Q6.Find the next number in the series: 6, 8, 12, 18, 26, ?
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Answer: B — 36
Differences are 2, 4, 6, 8 → next difference 10.
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Q7.Simplify: 50 + 8 × 5 − 39
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Answer: D — 51
BODMAS: multiply first — 8 × 5 = 40; then 50 + 40 − 39 = 51.
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Q8.Find the next number in the series: 5, 7, 11, 17, 25, ?
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Answer: A — 35
Differences are 2, 4, 6, 8 → next difference 10.
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Q9.Find the next number in the series: 1, 3, 9, 27, 81, ?
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Answer: B — 243
Each term is multiplied by 3.
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Q10.Find the next number in the series: 2, 4, 8, 14, 22, ?
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Answer: B — 32
Differences are 2, 4, 6, 8 → next difference 10.
How to approach number system & simplification questions
Learn squares to 30 and cubes to 15, apply BODMAS strictly, and use HCF × LCM = product of two numbers. For series, check the differences first, then the ratios.
About SSC MTS
SSC Multi-Tasking (Non-Technical) Staff Examination — conducted by Staff Selection Commission (SSC). Recruits Multi-Tasking Staff and Havaldars for central government offices.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
SSC MTS practice topics
| Topic | Section | Question source |
|---|---|---|
| Number System & Simplification | Quantitative aptitude | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| English Grammar | English | Question bank |
| Indian Polity, History & Geography | General awareness | Question bank |