CS (Main) Exam 2018 Mathematics Paper II Question Paper PDF

Central Government Jobs Other Jobs 2018

  • Year 2018
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination CS (MAIN) EXAM
Year 2018
Conducting Body UPSC
Paper Mathematics Paper II
Subject Mathematics
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

The CS (Main) Exam 2018 Mathematics Paper II question paper, conducted by UPSC, is a crucial resource for aspirants. This paper, with a maximum of 250 marks and a time limit of three hours, tests candidates' in-depth knowledge of advanced mathematical concepts. It comprises eight questions divided into two sections, requiring candidates to answer five questions, including compulsory ones. Studying this paper helps understand the exam pattern, question types, and difficulty level, aiding in strategic preparation for the Civil Services Main Examination.

Major Topics Covered

  • Integral Domain
  • Polynomial Rings
  • Inequalities
  • Integration
  • Harmonic Functions
  • Analytic Functions
  • Series Convergence
  • Linear Programming

Why This Paper is Important

  • Useful for CS (MAIN) EXAM preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

  • CS (Main) Exam 2017 Mathematics Paper II
  • CS (Main) Exam 2019 Mathematics Paper II
  • CS (Main) Exam 2018 Mathematics Paper I
  • UPSC IES Mathematics Paper
  • CS (Main) Exam 2018 Mathematics Paper II Answer Key
  • UPSC CS Main Mathematics Solutions 2018
  • CS (Main) Exam Mathematics Syllabus
  • UPSC CSE Mathematics Optional Syllabus

Instructions

  • There are EIGHT questions divided in TWO SECTIONS and printed both in HINDI and in ENGLISH.
  • Candidate has to attempt FIVE questions in all.
  • Questions No. 1 and 5 are compulsory and out of the remaining, any THREE are to be attempted choosing at least ONE question from each Section.
  • The number of marks carried by a question/part is indicated against it.
  • Answers must be written in the medium authorized in the Admission Certificate which must be stated clearly on the cover of this Question-cum-Answer (QCA) Booklet in the space provided.
  • No marks will be given for answers written in a medium other than the authorized one.
  • Assume suitable data, if considered necessary, and indicate the same clearly.
  • Unless and otherwise indicated, symbols and notations carry their usual standard meaning.
  • Attempts of questions shall be counted in sequential order.
  • Unless struck off, attempt of a question shall be counted even if attempted partly.
  • Any page of portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.

Questions (page 2)

Section A

Q1.

(a) मान लीजिए R तत्समक अवयव सहित एक पूर्णाकीय प्रांत है। दर्शाइए कि R[x] में कोई भी एकक R में एक एकक है।
Let R be an integral domain with unit element. Show that any unit in R[x] is a unit in R.

(b) असमिका: (π^2)/(9) < ∫π(π)/(2) (x)/(sin x) dx < (2π^2)/(9) को सिद्ध कीजिए।
Prove the inequality: (π^2)/(9) < ∫π(π)/(2) (x)/(sin x) dx < (2π^2)/(9).

(c) सिद्ध कीजिए कि फलन : u(x, y) = (x - 1)^3 - 3xy2 + 3y2 प्रसंवादी है और इसके प्रसंवादी संयुग्मी को और संगत विश्लेषिक फलन f(z) को, z के रूप में ज्ञात कीजिए।
Prove that the function: u(x, y) = (x - 1)^3 - 3xy2 + 3y2 is harmonic and find its harmonic conjugate and the corresponding analytic function f(z) in terms of z.

(d) p(>0) का वह परास ज्ञात कीजिए, जिसके लिए श्रेणी:
rac{1}{(1+a)^p} - rac{1}{(2+a)^p} + rac{1}{(3+a)^p} - dots, a > 0
(i) निरपेक्षत: अभिसारी तथा (ii) सापेक्ष अभिसारी है।
Find the range of p(>0) for which the series :
rac{1}{(1+a)^p} - rac{1}{(2+a)^p} + rac{1}{(3+a)^p} - dots, a > 0, is
(i) absolutely convergent and (ii) conditionally convergent.

(e) एक कृषि फर्म के पास 180 टन नाइट्रोजन उर्वरक, 250 टन फॉस्फेट तथा 220 टन पोटाश है। फर्म इन पदार्थों के क्रमश: 3 : 3 : 4 के अनुपात में मिश्रण को 1500 रुपये प्रति टन के मुनाफे से तथा 2:4:2 के अनुपात में मिश्रण को 1200 रुपये प्रति टन के मुनाफे से बेच पायेगी। एक रैखिक-प्रोग्रामन समस्या प्रस्तुत कीजिए, जो यह दर्शाए कि अधिकतम मुनाफा प्राप्त करने के लिए, इन मिश्रणों की कितने टन मात्रा तैयार की जानी चाहिए |
An agricultural firm has 180 tons of nitrogen fertilizer, 250 tons of phosphate and 220 tons of potash. It will be able to sell a mixture of these substances in their respective ratio 3 : 3 : 4 at a profit of Rs. 1500 per ton and a mixture in the ratio 2 : 4 : 2 at a profit of Rs. 1200 per ton. Pose a linear programming problem to show how many tons of these two mixtures should be prepared to obtain the maximum profit.

Question paper preview

Scanned pages 1–2 for reference. Download the official PDF for the full paper.

Page 1
CS Main Exam 2018 Mathematics Paper II question paper page 1 scan PDF download, UPSC exam instructions Hindi English
Page 2
CS Main Exam 2018 Mathematics Paper II question paper page 1 scan PDF download, UPSC exam instructions Hindi English

Free question paper download

Download question paper PDF

  • 538 KB
  • 8 pages
  • PDF format

Frequently asked questions

What is the name of the exam for which this paper was conducted?

This paper is from the CS (MAIN) EXAM conducted by UPSC.

What is the year of this question paper?

The year of this question paper is 2018.

Which subject does this paper cover?

This paper covers Mathematics, specifically Paper II.

Who is the conducting body for this examination?

The conducting body is UPSC (Union Public Service Commission).

What is the maximum marks for Mathematics Paper II?

The maximum marks for Mathematics Paper II is 250.

What is the time allowed to complete the paper?

The time allowed to complete the paper is Three Hours.

← Back to Other Jobs papers