CSAT · practice · 2016–2026

Counting, permutations & probability: 2 timed sets

Every question UPSC has asked on Counting, permutations & probability — 43 in all — in 2 sets of about 22, mixed across years. About 33 minutes each, with UPSC's marking.

Start with set 1 →

Take them in any order — this page remembers which you've done (in this browser).

Set 1Not started

22 questions · 35 min · 2016–2026
Set 2Not started

21 questions · 30 min · 2016–2026

How the sets work

Together the sets hold every CSAT question UPSC has asked on Counting, permutations & probability 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.

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