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MLF · End Term · 31 Aug 2025 (Afternoon)

13 questions · 40 marks · 90 min

Answer key Take as mock

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Machine Learning Foundations

End Term · 31 Aug 2025 (Afternoon)

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
MSQ: One or more options correct. Select all to score.
NAT: Numerical response. No negative marking.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

Q1MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q2MSQ4 Marks·Choose all correct options
Asked 5 times Key ↓
1. A
2. B
3. C
4. D
Q3MSQ3 Marks·Choose all correct options
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q4NAT4 Marks·Write the number
Asked 5 times Key ↓
Your answer:
Q5NAT4 Marks·Write the number
Asked 2 times Key ↓
Your answer:
Q6NAT4 Marks·Write the number
Asked 2 times Key ↓
Your answer:
Q7NAT3 Marks·Write the number
Asked 3 times Key ↓
Your answer:
Read the passage below, then answer Q8–Q11
Q8MCQ2 Marks·Choose one option
Asked 2 times Key ↓
Let A = (x, y) be a point in the set S which is closest to the origin. Choose the correct Primal optimization problem from the following.
1. A
2. B
3. C
4. D
Q9MSQ2 Marks·Choose all correct options
Asked 2 times Key ↓
Which of the following options is/are true?
1. A
2. B
3. C
4. D
5. E
Q10NAT3 Marks·Write the number
Asked 2 times Key ↓
If A = (x, y) is the closest point to the origin, then find the value of 3x − y.
Your answer:
Q11MSQ2 Marks·Choose all correct options
Asked 2 times Key ↓
Which of the following options is/are true ?
1. AS is a convex set.
2. BThe objective function of the Primal optimization problem part (A) is a convex function.
3. CThe objective function of the Primal optimization problem part (A) is a concave function.
4. DNone of these
Read the passage below, then answer Q12–Q13
Based on the above data, answer the given subquestions.
Q12NAT3 Marks·Write the number
Asked 2 times Key ↓
Your answer:
Q13MSQ3 Marks·Choose all correct options
Asked 5 times Key ↓
Which of the following options is /are true?
1. AA is not a Hermitian matrix.
2. BA is not a unitary matrix.
3. CA is diagonalizable.
4. DNone of these

Official Key

Master Answer Key & Explanations

Official answer keys from IIT Madras BS past papers. Click any question to review.

Reveal Key

Q1A

Q2A, C

Q3A, D

Q424

Q50.31 to 0.37

Q60.02 to 0.06

Q70.5

Q8B

Q9B, C

Q107.8

Q11A, B

Q12-125

Q13A, B

Questions and answer keys are reproduced from the official IIT Madras BS papers. BTechi is not affiliated with IIT Madras.