Maths for GenAI · KL, JS & f-divergences

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Mathematical Foundations of Generative AI

KL, JS & f-divergences

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

Quiz 1 · 26 Oct 2025 (AN)Quiz 1

Q1MCQ2 Marks·Choose one option
Key ↓
Suppose you replace the log-loss in the original GAN with a general f-divergence minimization framework. Which of the following cannot be directly represented as an f-divergence?
1. AKL divergence
2. BReverse KL divergence
3. CTotal Variation distance
4. DWasserstein distance
Q2MCQ2 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q3MCQ3 Marks·Choose one option
Key ↓
1. A0.57
2. B0.24
3. C0.32
4. D0.137

End Term · 31 Aug 2025 (FN)End Term

Q4MCQ2 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D

End Term · 31 Aug 2025 (AN)End Term

Q5MCQ2 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q6MCQ4 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D

Official Key

Master Answer Key & Explanations

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