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Design Thinking · TRIZ inventive principles

7 questions · 7 marks · 2 papers

Answer key

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Design Thinking for Data-Driven App Development

TRIZ inventive principles

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.

End Term · 31 Aug 2025 (FN)End Term

Q1MCQ1 Mark·Choose one option
Key ↓
Who developed the TRIZ methodology (Theory of Inventive Problem Solving)?
1. AEdward de Bono
2. BGenrich Altshuller
3. CHerbert Simon
4. DDon Norman
Read the passage below, then answer Q2–Q4
Based on the above data, answer the given subquestions.
Q2MCQ1 Mark·Choose one option
Asked 6 times Key ↓
In a productivity app, the search bar not only finds documents but also allows users to send payments, schedule meetings, and request support from the same interface. This eliminates the need for multiple separate features. Which TRIZ principle does this illustrate?
1. ASegmentation
2. BUniversality
3. CPrior action
4. DNested doll
Q3MCQ1 Mark·Choose one option
Asked 6 times Key ↓
1. ATaking Out
2. BUniversality
3. CNested Dolls
4. DPrior Action
Q4MCQ1 Mark·Choose one option
Asked 6 times Key ↓
To improve the comfort of e-readers like Kindle, designers added a lightweight cover with a built- in hand strap, allowing users to hold the device easily without feeling its weight during long reading sessions. Which TRIZ principle does this design improvement illustrate?
1. AAnti-weight
2. BCopying
3. CSegmentation
4. DMechanics substitution

End Term · 31 Aug 2025 (AN)End Term

Read the passage below, then answer Q5–Q7
Based on the above data, answer the given subquestions.
Q5MCQ1 Mark·Choose one option
Asked 6 times Key ↓
An AI-based grammar tool offers phrasal predictions as you type, without needing to finish the document first. Which TRIZ principle applies?
1. ABeforehand cushioning
2. BPeriodic action
3. CUniversality
4. DPreliminary action
Q6MCQ1 Mark·Choose one option
Asked 6 times Key ↓
A pen has both a ballpoint tip and a stylus tip for touchscreen devices in one tool. Which TRIZ principle applies?
1. AMechanics substitution
2. BMerging
3. CComposite materials
4. DUniversality
Q7MCQ1 Mark·Choose one option
Asked 6 times Key ↓
An e-learning platform adapts the difficulty of quiz questions in real time based on the learner’s performance. Which TRIZ principle applies?
1. AFeedback
2. BCopying
3. CSegmentation
4. DSelf-service

Official Key

Master Answer Key & Explanations

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

Reveal Key

Q1B

Q2B

Q3C

Q4A

Q5D

Q6B

Q7A

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