Problem Solving Through Programming In C Nptel Week 3 Assignment Answers
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These are Problem Solving Through Programming In C Week 3 Answers
Q7.What will be the output of the following C code?
include
int main() { int x = 10; if (x = 5) { printf(“x is 5\n”); } else { printf(“x is not 5\n”); } return 0; }
a) x is 5 b) x is not 5 c) Compilation error d) None of the above
Answer:a) x is 5
Q8.What will be the output of the following C code? #include int main() { int a = 10, b = 5; if (a > b) if (b > 0) printf(“b is positive\n”); else printf(“b is non-positive\n”); printf(“a is greater than b\n”); return 0; }
a) b is positive b) b is non-positive c) a is greater than b d) b is positive a is greater than b
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q1. Which of the following statement is correct? a) Operator precedence determines which operator is performed first in an expression with more than one operator with different precedence. Associativity is used when two operators of same precedence appear in an expression b) Operator associativity determines which operator is performed first in an expression with more than one operator with different associativity. Precedence is used when two operators of same precedence appear in an expression c) Operator precedence and associativity are same. d) None of the above
Answer: a) Operator precedence determines which operator is performed first in an expression with more than one operator with different precedence. Associativity is used when two operators of same precedence appear in an expression
Q2. Find the output of the following C code a) 67 b) -36 c) 66 d) -37
Answer: a) 67
Q3. What 1s the output of the following C code? a) 0 b) 3 c) 4 d) Compilation error
Answer: c) 4
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q4. Find the output of the following C code a) IITKGP b) IITD and IITM c) IITKGP and IITM d) IITM
Answer: a) IITKGP
Q5. What will be the output? a) Condition is true b) Condition is false c) Error d) No output possible
Answer: a) Condition is true
Q6. What is the output of the following program? a) Programming on C 0 b) NPTEL 0 c) NPTEL 3 d) Compilation error
Answer: b) NPTEL 0
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q7. What is the output of the C program given below a) true b) false c) Compiler dependent d) Compiler error
Answer: b) false
Q8. What will be the output? a) 0 b) 1 c) 10 d) 30
Answer: b) 1
Q9. What will be the output? a) TRUE b) FALSE c) Syntax Error d) Compilation Error
Answer: b) FALSE
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q10. What is the output of the following C code? a) 10 b) 11 c) 20 d) Compiler error
Answer: b) 11
Assignment
Question 1 Write a C Program to calculates the area (floating point number with two decimal places) of a Circle given it’s radius (integer value). The value of Pi is 3.14.
Solution:
area = PI * radius * radius;
Question 2 Write a C program to check if a given Number is zero or Positive or Negative Using if…else statement.
Solution:
if(number <= 0.0)
{
if (number == 0.0)
printf("The number is 0.");
else
printf("Negative number.");
}
else
printf("Positive number.");
}
Question 3 Write a C program to check whether a given number (integer) is Even or Odd.
Solution:
if(number % 2 == 0)
printf("%d is even.", number);
else
printf("%d is odd.", number);
}
Question 4 Write a C Program to find the Largest Number (integer) among Three Numbers (integers) using IF and Logical && operator.
Solution:
if( n1>=n2 && n1>=n3 )
printf("%d is the largest number.", n1);
if( n2>=n1 && n2>=n3 )
printf("%d is the largest number.", n2);
if( n3>=n1 && n3>=n2 )
printf("%d is the largest number.", n3);
}
These are Nptel Problem Solving Through Programming In C Week 3 Answers
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These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q1. What should be the value of ‘b’ such that the output of the program will be 20? a) 1 b) 2 c) 3 d) 4
Answer: b) 2
Q2. Find the output of the following C code a) IITKGP b) IITD and IITM c) IITKGP and IITM d) IITM
Answer: a) IITKGP
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q3. What is the output of the following program? a) Programming on C 0 b) NPTEL 0 c) NPTEL 3 d) Compilation error
Answer: b) NPTEL 0
Q4. Find the output of the following C code a) -42 b) 24 c) 15 d) -34
Answer: c) 15
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q5. Which of the following statement is correct? a) Operator precedence determines which operator is performed first in an expression with more than one operator with different precedence. Associativity is used when two operators of same precedence appear in an expression b) Operator associativity determines which operator is performed first in an expression with more than one operator with different associativity. Precedence is used when two operators of same precedence appear in an expression c) Operator precedence and associativity are same. d) None of the above
Answer: a) Operator precedence determines which operator is performed first in an expression with more than one operator with different precedence. Associativity is used when two operators of same precedence appear in an expression
Q6. What is the output of the C program given below? a) true b) false c) Compiler dependent d) Compiler error
Answer: b) false
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q7. What is the output of the following program? a) Value of c and d are 1 and 3 respectively b) Value of c and d are 1 and 3.333333 respectively c) Value of c and d are 1.000000 and 3.000000 respectively d) Value of c and d are 1 and 3.000000 respectively
Answer: d) Value of c and d are 1 and 3.000000 respectively
Q8. What will be the output? a) TRUE b) FALSE c) Syntax Error d) Compilation Error
Answer: b) FALSE
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Q9. What will be the output? a) 0 b) 1 c) 7 d) Compilation error
Answer: a) 0
Q10. The precedence of arithmetic operators is (from highest to lowest) a) %, *, /, +, – b) %, +, /, *, – c) +, -, %, *, / d) %, +, -, *, /
Answer: a) %, *, /, +, –
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Assignment
Question 1
Write a C Program to calculates the area (floating point number with two decimal places) of a Circle given it’s radius (integer value). The value of Pi is 3.14.
Solution:
area = PI * radius * radius;
printf("Area of a circle = %5.2f", area);
}
Question 2
Write a C program to check if a given Number is zero or Positive or Negative Using if…else statement.
Solution:
if (number <= 0.0)
{
if (number == 0.0)
printf("The number is 0.");
else
printf("Negative number.");
}
else
printf("Positive number.");
}
These are Nptel Problem Solving Through Programming In C Week 3 Answers
Question 3
Write a C program to check whether a given number (integer) is Even or Odd.
Solution:
if(number % 2 == 0)
printf("%d is even.", number);
else
printf("%d is odd.", number);
}
Question 4
Write a C Program to find the Largest Number (integer) among Three Numbers (integers) using IF and Logical && operator.
Solution:
if( n1>=n2 && n1>=n3 )
printf("%d is the largest number.", n1);
if( n2>=n1 && n2>=n3 )
printf("%d is the largest number.", n2);
if( n3>=n1 && n3>=n2 )
printf("%d is the largest number.", n3);
}
These are Problem Solving Through Programming In C Assignment 3 Answers
These are Problem Solving Through Programming In C Assignment 3 Answers
Q1. Find the output of the following C program
#include<stdio.h> int main() { int a, z, x=10, y=12; z=x*y++; a=x*y; printf(“%d, %d”, z, a); return 0; } a) 120, 120 b) 120, 130 c) 130, 120 d) 130, 130
Answer: b) 120, 130
Q2. What will be the output of the following program? #include<stdio.h> int main() { int p=2; int m=10; int k; k=!((p<2)&&(m>2)); printf(“n%d”, k); return 0; }
a) 1 b) 0 c) -1 d) 2
Answer: a) 1
These are Problem Solving Through Programming In C Assignment 3 Answers
Q3. Find the output of the following C code.
a) x1=4, x2=3 b) x1=-5, x2=-4 c) x1=2.5, x2=4.2 d) Roots are imaginary
Answer: d) Roots are imaginary
Q4. Find the output of the following code.
a) 6 b) 4 c) 10 d) 14
Answer: c) 10
Q5. Which of the following statements are correct? I. The ‘else’ block is executed when condition inside if statement is false. II. One ‘if statement can have multiple ‘else’ statement.
a) Only I b) Only II c) Both I and II d) None of the above is correct
Answer: a) Only I
These are Problem Solving Through Programming In C Assignment 3 Answers
Q6. Cmodulo division operator %’ can be applied on a) only float variables b) only int variables c) int and float combination d) any data types in C
Answer: b) only int variables
Q7. The output of the following program will be a) C programming b) Java Python c) C programming Java d) Compilation error
Answer: b)
These are Problem Solving Through Programming In C Assignment 3 Answers
Q8. What will be the output? a) 2 b) 8 c) 10 d) 12
Answer: c) 10
Q9. What will be the output?
a) Right b) Wrong c) 0 d) No output
Answer: a) Right
These are Problem Solving Through Programming In C Assignment 3 Answers
Q10. What will be the output of the program? a) The answer will be 15 b) The answer will be 0 c) The answer will be 1 d) Compilation error
Answer: b) The answer will be 0
Assignment
Question 1
Write a C Program to calculates the area (floating point number with two decimal places) of a Circle given it’s radius (integer value). The value of Pi is 3.14
Solution:
Code
These are Problem Solving Through Programming In C Assignment 3 Answers
Question 2
Write a C program to check if a given Number is zero or Positive or Negative Using if…else statement.
Solution:
Code
These are Problem Solving Through Programming In C Assignment 3 Answers
Question 3
Write a C program to check whether a given number (integer) is Even or Odd.
Solution:
Code
These are Problem Solving Through Programming In C Assignment 3 Answers
Question 4
Write a C Program to find the Largest Number (integer) among Three Numbers (integers) using IF and Logical && operator.
Solution:
Code
These are Problem Solving Through Programming In C Assignment 3 Answers
