Number system
CSAT · practice · 2016–2026
Number system: 7 timed sets
Every question UPSC has asked on Number system — 140 in all — in 7 sets of about 20, mixed across years. About 30 minutes each, with UPSC's marking.
Pick up where you left off
Take them in any order — this page remembers which you've done (in this browser).
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Set 1Not started
20 questions · 30 min · 2017–2026
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Set 2Not started
20 questions · 30 min · 2017–2026
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Set 3Not started
20 questions · 30 min · 2017–2026
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Set 4Not started
20 questions · 30 min · 2017–2026
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Set 5Not started
20 questions · 30 min · 2016–2026
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Set 6Not started
20 questions · 30 min · 2016–2026
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Set 7Not started
20 questions · 30 min · 2016–2026
How the sets work
- Together the sets hold every CSAT question UPSC has asked on Number system since 2016; questions UPSC dropped from evaluation are left out. A reading passage always comes with all its questions.
- Marking as in the exam: +2.5 right, −0.83 wrong, 0 left blank. Your score shows as soon as you submit; a free sign-up opens the full report and every answer explained.
- Stop any time: your answers are saved in this browser, and this page shows where you left off.
Read every Number system question with answers → · All practice tests →