CDS — Statistics — Probability Practice Test

Free, focused Statistics — Probability topic test for Combined Defence Services Exam (UPSC) — 6 questions at real exam difficulty, with instant scoring and explanations.

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Practise Statistics — Probability for CDS

Probability is a scoring area in CDS. This chapter test isolates Statistics — Probability so you can drill just this topic, find your weak spots, and fix them before sitting a full-length CDS mock. Each attempt serves a fresh set of 6 questions from the CDS Statistics — Probability bank.

Sample Probability questions

A fair coin is flipped 3 times. P(all heads) =
A fair coin is flipped 4 times. P(all heads) =
A fair coin is flipped 5 times. P(all heads) =
Practise all 6 Probability questions →

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Frequently asked questions

Does CDS include Probability questions?
Yes. Statistics — Probability is part of the CDS syllabus. This topic test gives you 6 focused Probability questions at real exam difficulty so you can master the chapter before the full mock.
Is the CDS Probability test free?
Yes — start the Probability topic test free on Wrexa Edge. No credit card needed. You also get the full CDS mock and 14+ other topic tests for this exam.
How many Probability questions are there?
This Probability drill has 6 questions. Each attempt draws a fresh set from the CDS Statistics — Probability question bank, so you can repeat it for more practice.

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