BTechibtechi.in
Loading Loading
Free IIT Madras BS notes, PYQs and mock tests at btechi.in

Maths I · Qualifier · September 2023

BSMA1001 · 14 questions · 50 marks · 60 min

Answer key Take as mock

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

BSMA1001 · Mathematics for Data Science I

Qualifier · September 2023

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.

Read the passage below, then answer Q1–Q2
In a survey among 140 people, it was found that 75% of these 140 people like playing cricket and 50% of all the 140 people like playing football. Note that, some people may not like both games that could be 0 also.
Use this information to answer the given subquestions
Q1NAT4 Marks·Write the number
Key ↓
What is the minimum number of people who like both games?
Your answer:
Q2NAT2 Marks·Write the number
Asked 2 times Key ↓
If there are 10 people who don’t like both games, then what is the number of people who like only cricket?
Your answer:
Q3MCQ4 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q4MCQ4 Marks·Choose one option
Key ↓
1. A
2. B
3. C
4. D
Q5MCQ3 Marks·Choose one option
Asked 3 times Key ↓
1. A
2. B
3. C
4. D
Q6NAT4 Marks·Write the number
Asked 2 times Key ↓
Your answer:
Q7MSQ4 Marks·Choose all correct options
Asked 4 times Key ↓
1. A
2. B
3. C
4. D
Q8MSQ4 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
Read the passage below, then answer Q9–Q10
Q9MSQ3 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
Q10MSQ4 Marks·Choose all correct options
Asked 3 times Key ↓
Which of the following options is/are true?
1. A
2. B
3. C
4. D
Read the passage below, then answer Q11–Q12
Q11MCQ3 Marks·Choose one option
Asked 3 times Key ↓
Which of the following options is true?
1. A
2. B
3. C
4. D
Q12NAT3 Marks·Write the number
Asked 4 times Key ↓
Your answer:
Read the passage below, then answer Q13–Q14
Q13MSQ4 Marks·Choose all correct options
Asked 6 times Key ↓
Which of the following options is/are true?
1. AR₁ is a reflexive relation.
2. BR₂ is a symmetric relation.
3. CR₁ is not a transitive relation.
4. DR₂ is a transitive relation.
Q14MCQ4 Marks·Choose one option
Asked 2 times Key ↓
Which of the following options is true?
1. AR₁ is a function.
2. BR₂ is a function.
3. CR₂ is not a one-one function.
4. DR₂ is not an onto function.

Official Key

Master Answer Key & Explanations

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

Reveal Key

Q135

Q260

Q3B

Q4A

Q5B

Q6165

Q7A, D

Q8B, C

Q9B, C

Q10B, D

Q11A

Q1210

Q13A, B

Q14B

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