C Programming Questions

• Write a program to convert the string for uppercase to lowercase and vice-versa.
• Write a C Program to find the frequency of characters in a given string.
• Write a C program to delete all the constants from a given string.
• Write a C program for concatenating two strings.
• Write a C Program to find the Length of String using Pointer
• Write a Program to Check whether a character is an alphabet or not.
• All String libraries implementation


• C Program to Convert the given Binary Number to Decimal
• C Program to Convert Decimal Number
• C Program to Convert a Given Number of Days in terms of years. Week and Days.
• C Program to find the Sum of two Binary Numbers
• Use a Function to Check whether a given Number is Perfect Number
• For a given Principal,rate of interest and number of years
• Write a C Program to Print Fibonacci series of given range
• Write a C Program to find out the G.C.D of two Number
• Write a C Program (Area and Volume)
• Find the Area of Circle
• Find the Area of any Triangle
• Find the Area of equilateral Triangle
• Find the Area of right angle Triangle
• Write a C Program for addition and subtraction of two complex numbers
• Write a C Program for multiplication of two complex numbers
• Write a C Program for division two complex numbers


• Write a C Program to find out the Sum of Series
• 1+2+3+4+5+6+7+8+9+........+n.
• Write a C Program to find out the Sum of Series
• 1² + 2² + 3³ + 4⁴ + 5⁵+ 6⁶+ 7⁷+ 8⁸+ 9⁹ + .......... + nⁿ
• Write a C Program to find out the Sum of Series
• 1² + 2² + 3² + 4² + 5²+ 6²+ 7²+ 8²+ 9² + .......... + nⁿ
• Write a C Program to Find out the Sum of given Arithmetic Progression
• Write a C Program to Find out the Sum of given Geometric Progression
• Write a C Program to find out the sum of given harmonic Progression (HP)
• Write c Program to find out the Sum of Series
• 1+2+4+8+.......+ intinity
• Write a Program to find the size of int , char , float , double without using sizeof operator.
• Write a C Program to find out the sum of Series.
\( y = \sqrt{\dfrac{x + x^{2} + x^{3} + x^{4} + \dots + x^{n}} {2}}\)
• Write a C Program to find out the Sum of Series
\( {\dfrac{1 } {x^1} } + {\dfrac{2 } {x^2} } + {\dfrac{3 } {x^3} } + \dots {\dfrac{n } {x^n} }\)