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UPSC CSAT 2019 PYQs

Questions from the UPSC CSAT 2019 paper: comprehension passages on environment, economy, health and society with number system, arithmetic and reasoning, all solved.

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Questions, answer key and solutions.

Questions
78
Duration
120 min
Marks
195

Negative marking

Attempts
100
Access
Free
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Normal practice, or a Simulated test

Both use the same questions. Normal practice is untimed and needs no account: choose an option and the answer and solution appear at once. The Simulated test is the real computer-based format, with one 120-minute clock, a question palette and full screen, and your score, the key and the solutions arrive when you submit.

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How the two modes differ
No account needed

Normal

Untimed

Every question on one page, loading as you scroll. Choose an option and see straight away whether it was right.

  • No timer. Nothing to start and nothing to submit. Stop whenever you like.
  • Answered as you choose. Tap an option and it is marked at once, with the correct answer shown.
  • Solutions in place. The explanation, and the video where one has been added, sit under the question.
  • Open to guests. Normal practice needs no sign-in.
Real exam conditions

Simulated

Timed CBT

The computer-based test format: one clock, a question palette, and a score the moment you submit.

  • A clock that does not pause. 120 minutes from the moment you begin, and the paper is submitted for you when it reaches zero.
  • Question palette. Answered, not answered and marked for review, section by section, as the real interface has it.
  • Full screen, proctored. The test takes over the screen; leaving it three times submits the paper.
  • Answers hidden until you submit. The key, the explanations and your score all arrive together at the end.

About this test

UPSC CSAT 2019 PYQ Paper: Comprehension, Number System and Reasoning

UPSC CSAT 2019 PYQs is a set of questions from Paper II of the Civil Services Preliminary Examination 2019, mixing reading comprehension with number system, arithmetic and logical reasoning. Aptitude360 gives a written solution for every question in this free set. Passages range from soil erosion and inequality to digital trade, tuberculosis and the evolution of bat wings.

Areas tested in the CSAT 2019 questions

  • Reading comprehension: historical injustice and untouchability, universities and culture, soil erosion, inequality and economic power, climate change and crops, evolution of bat wings, ancient global warming, security of low-end IoT devices, Big Data in trade negotiations, the rural poor and climate change, climate risk for investors, school quality and RTE quotas, TB and poverty
  • Number system: counting how often a digit appears, two-digit numbers and their reverses in a given ratio, divisibility by four and six
  • Arithmetic: percentage change, ages, prices of balls and rackets, races with head starts, repeating schedules
  • Reasoning: painted cube cutting, calendars, syllogisms, counting parallelograms, overlapping groups, direction sense, floor colouring arrangements

Key concepts for CSAT 2019 revision

  • Separating valid inferences and assumptions from overstated claims in a passage
  • Counting digit occurrences place by place
  • Using odd days for day-of-week questions
  • Using LCM for events that repeat on fixed cycles
  • Finding the minimum overlap of two groups within a fixed total

Smart revision tips for CSAT

  • Answer comprehension items only from the passage and be wary of extreme words such as only, all and mainly
  • Draw Venn diagrams for syllogisms and overlapping-group questions
  • Revise percentages and ages thoroughly, since CSAT applies basic ideas in clever ways

Who should practise this CSAT 2019 set

UPSC Prelims aspirants who want to check their readiness for the qualifying CSAT paper with real past questions.

FAQs about UPSC CSAT 2019 PYQs

What is the CSAT paper in UPSC Prelims?
CSAT is General Studies Paper II of the Civil Services Preliminary Examination. It tests comprehension, logical reasoning, decision making, general mental ability and basic numeracy.
How many times does the digit 5 appear from 1 to 1000?
The digit 5 appears 300 times: 100 times each in the units, tens and hundreds places. The number 1000 adds none.
How to solve syllogism questions in CSAT?
Draw Venn diagrams for each statement and accept a conclusion only if it holds in every possible diagram, not just in one arrangement.
How to find the day of the week using odd days?
Count the days beyond complete weeks between a known date and the target date, then move forward that many days from the known day. An ordinary year has one odd day and a leap year has two.

Test structure

How the paper is split, and how long each part runs. A section you have finished cannot be returned to.

SectionQuestionsTime
UPSC - CSAT 201978120 min

Marking & rules

Total marks
195 across 78 questions.
Negative marking
A wrong answer costs marks. Leaving a question unanswered costs nothing.
Attempts
100 in total. An attempt is spent the moment you begin one.

What you get when you submit

The analysis is ready the moment you submit the paper.

Score and accuracy

Marks, percentage, right, wrong and skipped, and the time you took.

Section by section

The same figures for each section, so a weak one cannot hide in an average.

The full answer key

Every question with your answer, the right one, the working, and the video where there is one.

Where you stand

Your score against the spread of everyone else who has sat this test.

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