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Deep Learning · Backpropagation by hand

18 questions · 28 marks · 3 papers

Answer key

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Deep Learning

Backpropagation by hand

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
NAT: Numerical response. No negative marking.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

End Term · 31 Aug 2025 (FN)End Term

Read the passage below, then answer Q1–Q4
Based on the above data, answer the given subquestions.
Q1NAT1 Mark·Write the number
Asked 2 times Key ↓
Find s1.
Your answer:
Q2NAT2 Marks·Write the number
Asked 2 times Key ↓
Find s2.
Your answer:
Q3NAT1 Mark·Write the number
Asked 3 times Key ↓
Your answer:
Q4NAT3 Marks·Write the number
Asked 3 times Key ↓
Your answer:
Read the passage below, then answer Q5–Q6
Based on the above data, answer the given subquestions.
Q5NAT2 Marks·Write the number
Asked 2 times Key ↓
Your answer:
Q6NAT2 Marks·Write the number
Asked 2 times Key ↓
Your answer:

End Term · 31 Aug 2025 (AN)End Term

Read the passage below, then answer Q7–Q10
Based on the above data, answer the given subquestions.
Q7NAT1 Mark·Write the number
Asked 2 times Key ↓
Your answer:
Q8NAT2 Marks·Write the number
Asked 2 times Key ↓
Your answer:
Q9NAT1 Mark·Write the number
Asked 3 times Key ↓
Your answer:
Q10NAT3 Marks·Write the number
Asked 3 times Key ↓
Your answer:
Read the passage below, then answer Q11–Q12
Based on the above data, answer the given subquestions.
Q11NAT2 Marks·Write the number
Asked 2 times Key ↓
Your answer:
Q12NAT2 Marks·Write the number
Asked 2 times Key ↓
Your answer:

End Term · 13 Apr 2025 (AN)End Term

Read the passage below, then answer Q13–Q15
Based on the above data, answer the given subquestions.
Q13NAT1 Mark·Write the number
Asked 3 times Key ↓
Find the value y at the end of the forward pass.
Your answer:
Q14NAT1 Mark·Write the number
Asked 3 times Key ↓
Your answer:
Q15NAT1 Mark·Write the number
Key ↓
Your answer:
Read the passage below, then answer Q16–Q18
Based on the above data, answer the given subquestions.
Q16NAT1 Mark·Write the number
Key ↓
Find a.
Your answer:
Q17NAT1 Mark·Write the number
Key ↓
Find b.
Your answer:
Q18NAT1 Mark·Write the number
Key ↓
Find c.
Your answer:

Official Key

Master Answer Key & Explanations

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

Reveal Key

Q10.25

Q20.5

Q31

Q40.125

Q52

Q61

Q70.25

Q80.5

Q91

Q100.125

Q112

Q121

Q139

Q140

Q156

Q16-0.7 to -0.64

Q170.64 to 0.7

Q180.3 to 0.36

Questions and answer keys are reproduced from the official IIT Madras BS papers. Topics and repeated question types are BTechi’s own grouping. BTechi is not affiliated with IIT Madras.