Free online practice test
UPSC ISS Statistics-I Mock Test 1
UPSC Indian Statistical Service 2026: Statistics I and II Objective Papers
Focus on Statistics-I with 80 original questions in one dedicated practice session.
Syllabus-checked original practice
Mapped to the official Statistics I and II (Objective) syllabus and answer-checked on 10 September 2026.
View official pattern sourceTest-day essentials
Know before you start
- The timer starts as soon as you click "Start test" and the test auto-submits when time runs out.
- Mark questions for review and return to them while their section or timing group is still open.
- Your answers and timer deadline are saved on this device, so a refresh can resume safely.
- After submitting, review section and topic scores, explanations, and source links.
About this UPSC ISS Statistics-I sectional test
This sectional test isolates Statistics-I from the UPSC ISS Statistics I and II (Objective) pattern, so you can drill it on its own instead of only meeting it inside the full mock. It draws 80 original practice questions across 6 distinct topics, syllabus-checked the same as our full mocks.
Topics covered
Computer Application & Data Processing
20 questions
Numerical Analysis
20 questions
Probability
20 questions
Statistical Methods
18 questions
Statistical Methods: Measures of Location
1 question
Statistical Methods: Time Series
1 question
Scoring and result analysis
Correct answers earn 2.5 marks and wrong answers deduct 0.8333333333333334 marks. Unattempted questions score zero. This section's 80 questions are difficulty-tagged: 33 easy, 33 medium, 14 hard. After submitting, you receive topic-wise accuracy, time spent, answer explanations, and source links.
Frequently asked questions
Is this an official UPSC ISS question paper?
No. It's an independent practice test with original Statistics-I questions, mapped to the official UPSC ISS Statistics I and II (Objective) syllabus and answer-checked on 10 September 2026.
How many questions are in this Statistics-I sectional test, and how long is it?
80 questions in 120 minutes.
Which topics does this test focus on?
It spans 6 topics, with the heaviest coverage on Computer Application & Data Processing, Numerical Analysis, and Probability.
Is there negative marking in this test?
Yes. Each wrong answer deducts 0.8333333333333334 marks, and each correct answer earns 2.5 marks. Unattempted questions score zero.