GATE 2025 CS Question Paper Answer Key: Shift-wise difficulty level, question paper answer key PDF download

Graduate Aptitude Test in Engineering 2026 ( GATE )

DeskCalelnderAdmit Card - 2 Jan '26

UPASANA
UPASANA PRADHAN
Assistant Manager- Editorial
Updated on Oct 15, 2025 17:08 IST
IIT Roorkee is conducting the GATE 2025 CS exam in two shifts on February 1, 2025. The GATE CS1 exam timings are 9:30 am to 12:30, and the second shift is from 2:30 to 5:30 pm. After the completion of each shift, candidates can find the GATE CS1 and CS2 memory-based questions and solutions PDF below.

IIT Roorkee finally completed the GATE 2025 CS exam in two shifts on Feb 1. Overall, the GATE CS2 paper was easy to moderate, with engineering mathematics quite tough and lengthy. A few students found the aptitude section to be difficult. On the other hand, the core section was quite easy. The GATE 2025  CS shift 1 memory-based questions and answer key is now available. The GATE 2025 CS2 was conducted from 2:30 pm to 5:30 pm. The GATE CS shift 2 paper had a balanced set of questions and easy to moderate. The GATE CS1 memory-based question paper and answer key is now available for both shifts. Read below for more -

GATE 2025 CS Question Paper and Answer Key: IIT Roorkee has concluded the GATE 2025 computer science morning shift exam at 12:30 pm. The second shift exam for GATE CS started at 2:30 pm and ended at 5:30 pm. The computer-based test is conducted for 100 marks, comprising sections: general aptitude of 15 marks, engineering mathematics of 13 marks, and subject-based questions of 72 marks. Aspirants can find the GATE CS shift 1 &2 question paper and answer key once the session ends. 

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Also Read: IIT Roorkee releases the GATE 2025 Master Question Paper Answer Key Sheet

GATE 2025 Official CS Question Paper and Answer Key (Shift 1 and 2) Download

Q:   Is it hard to get into IISc Bangalore?
A:

IISc Bangalore admission is competitive due to high cutoff and limited seats. The entrance tests required for getting admission in the institute are taken by many. Hence, the chances of securing seat becomes less. Students are required to perform well in the entrance exam required for their course to get admission in the institute. In 2024, the JEE Main closing R1 cutoff for General category candidates was 903 for BSc (Research) in Physics.

Q:   How can I get admission to IIT Madras for BTech?
A:

Admission to the BTech courses offered by IIT Madras are entrance-based and done on the basis of scores obtained in JEE Mains and JEE Advanced. Seats are allocated through JoSAA counselling after the results of the entrance exams are out. Students who clear the IIT Madras BTech cutoff are then required to go through document verification and pay the required fees to complete the process.

Q:   How can I join BSc at IISc Bangalore?
A:

To be eligible for BSc an IISc Bangalore, candidates must meet with the minimum eligibility criteria set by the institute and go through the selection rounds accepted by the institute. Details around the same are as follows:

  • Eligibility: A pass in Class 12 or equivalent with Physics, Chemistry and Mathematics as main subjects in their qualifying exam along with any other subjects with first class or 60% aggregate (relaxed to just pass for SC/ ST students)
  • Selection: Merit list of one of the national examinations, among Kishore Vaigyanik Protsahan Yojana (KVPY) KVPY (Stream-SA)/ JEE Main/ JEE Advanced/ NEET (UG) and IISER Aptitude Test 

NOTE:

  • Candidate must be qualified in any one of the exams mentioned above, and the exam result must be valid as on Aug 1 of the year of admission.
  • IISER Aptitude Test is introduced as a new mode of entry for the academic year 2024. Candidates have to apply directly on the IISc admission portal to apply through this mode.
GATE CS Shift Question Paper Link Answer Key Link
Computer Science and Engineering (CS1) Download here Download here
Computer Science and Engineering (CS2) Download here Download here

GATE 2025 CS (Shift 1 and 2) Question Paper and Answer Key pdf by MADE EASY

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Candidates can find the GATE 2025 CS1 and CS2 question paper and solution key pdf by MADE EASY below -

GATE 2025 Computer Science Shifts Download Link
GATE 2025 CS1 (Feb 1, 2025) - Forenoon Session Download Here
GATE 2025 CS2 (Feb 1, 2025) - Afternoon Session Download Here

 

GATE 2025 CS Question Paper Answer Key - Shift 2

The GATE CS shift 2 exam is now over. After the exam, students can find the GATE CSE 2025 second shift memory-based question paper and answer key below. With the help of the GATE Feb 1 question paper, aspirants can evaluate their scores secured in the exam.

Q.

Q:   How can I get admission in IIT Madras?
A:

To seek admission to the BTech programme offered at IIT Madras, candidates need to visit the official website of the National Testing Agency (NTA) and fill out the application form in online mode for JEE Main. For other courses such as MSc, MTech, BS-MS (Dual Degree) etc., candidates must visit the official website of the respective national-level entrance exam conducting bodies and fill out the application form in online mode. IIT Madras admission to most of the courses is entrance-based. 

Q:   Can I do M.Tech at IISc without GATE?
A:

No, candidate who are looking for admission at IISC Bangalore need to have a valid GATE score. However, 70% GATE score + 30% performance in written test (100% GATE based for Aerospace, Chemical, Civil, Materials Engg.) + COAP counselling will be accepted. Apart from this, students might face some problems while downloading the GATE hall ticket 2024. The problem might be due to slow internet connectivity or a heavy load on the server. In such situations, candidates should try downloading the admit card after a short duration. In case any candidate forgets their application ID/Enrollment ID or password, they can reset it. In case a candidate has forgotten their password, they can reset it from the GOAPS portal. 

Q:   Who was the GATE 2025 Aerospace Engineering Topper?
A:

Balamurugan was the GATE 2025 topper in the Aerospace Engineering branch/discipline scoring 81 marks out of 100 (with a GATE score of 990 out of 1000). Last year, 7576 candidates registered for the GATE AE paper, out of which 6009 candidates appeared for the exam. 

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Ans- 11

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Ans - 625I

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Ans- 19

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Ans-

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Ans- Option d

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Ans -

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GATE 2025 CS Question Paper Answer Key - Shift 1

The GATE 2025 CS shift 1 exam is now over. Candidates appearing or appearing for other exam shifts can find the GATE 2025 CS shift 1 memory-based questions and solutions after the completion of the exam. Here is a breakdown of the GATE CSE Shift 1 question breakdown.

Q.

Ans- E3

Q.

Ans- option d

Q.

Ans- 5

Q

Q.

Ans - 6

Q.

Q.

Ans-

Q.

Ans

 

Q.

Ans

 

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Ans

Q.

Ans- option 2

Q.

Ans- 56/63 or 0.888

Q

Ans- b=2

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Ans-

 

Q.

Ans- 25/72

Q.

Ans - 8

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Ans

 

Q.

Ans- option b and c

Q.

 

Q.

Ans- option c

 Q.

Ans - 435

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Q.

Ans- 5

Q.

 

How to Download GATE 2025 Question Paper Answer Key

The GATE 2025 official question paper with solutions PDF has been released. Candidates can follow the steps below to download -

  • Visit the GATE’s 2025 official website
  • Click on question paper from the drop-down menu and 
  • Select CS paper code and download question paper with answer key

How to evaluate scores using GATE 2025 question paper and answer key?

To evaluate probable GATE scores, it is important to know exam pattern and marking scheme. Follow steps below to evaluate-

  • For each one mark MCQ, 1/3rd mark will be deducted for incorrect responses.
  • For a two-mark MCQ, a 2/3rd mark will be deducted for incorrect responses.  
  • There is no negative marking for wrong answers to MSQ or NAT questions.
  • There is no partial marking to MSQs. 

Also Read: GATE previous year's question papers

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About the Author
author-image
UPASANA PRADHAN
Assistant Manager- Editorial

Upasana Pradhan is an Mtech graduate in Electronics and Communication Engineering from DTU who specialises in curating postgraduate and undergraduate engineering entrance exam content, such as GATE, TS PGECET, KCET,

Read Full Bio
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