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C Programming · Operators & expressions

9 questions · 29 marks · 3 papers

Answer key

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Programming in C

Operators & expressions

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.

Quiz 1 · 26 Oct 2025 (AN)Quiz 1

Q1MCQ2 Marks·Choose one option
Key ↓
Which of the following statements about Boolean conditions in C is true?
1. AIn C, 0 represents true, and any non-zero value represents false.
2. BIn C, 0 represents false, and any non-zero value represents true.
3. CC treats only positive integers as true.
4. DIn C, positive integers represent true, and negative integers represent false.
Q2MCQ3 Marks·Choose one option
Asked 2 times Key ↓
1. Aa = 13, b = -4, c = 12
2. Ba = 12, b = -3, c = 11
3. Ca = 14, b = -5, c = 13
4. Da = 11, b = -2, c = 10
Q3MCQ3 Marks·Choose one option
Key ↓
1. A100
2. B200
3. C300
4. D400
Q4MCQ3 Marks·Choose one option
Key ↓
1. A6 5 4
2. B6 4 5
3. C6 3 5
4. D6 5 3
Q5MSQ2 Marks·Choose all correct options
Asked 2 times Key ↓
Which statement is true about short-circuit evaluation in C?
1. AIn expr1 && expr2, if expr1 is false, expr2 is not evaluated.
2. BIn expr1 || expr2, if expr1 is true, expr2 is not evaluated.
3. CIn expr1 && expr2, if expr1 is true, expr2 is not evaluated.
4. DIn expr1 || expr2, if expr1 is false, expr2 is not evaluated.

End Term · 31 Aug 2025 (FN)End Term

Q6MCQ4 Marks·Choose one option
Asked 2 times Key ↓
1. APre-increment changes the value after the expression is evaluated, while post- increment changes it before the expression is evaluated.
2. BPre-increment changes the value before the expression is evaluated, while post-increment changes it after the expression is evaluated.
3. CPre-increment is used with integers, while post-increment is used with floating-point numbers.
4. DPre- and Post-increment are identical in operation. They are two ways of writing the same statement.
Q7NAT4 Marks·Write the number
Asked 2 times Key ↓
Your answer:

End Term · 31 Aug 2025 (AN)End Term

Q8MCQ4 Marks·Choose one option
Asked 2 times Key ↓
1. A
2. B
3. C
4. D
Q9NAT4 Marks·Write the number
Asked 2 times Key ↓
Your answer:

Official Key

Master Answer Key & Explanations

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

Reveal Key

Q1B

Q2A

Q3D

Q4D

Q5A, B

Q6B

Q77

Q8C

Q92

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.