## 21 – Best C program to swap two numbers using pointers

C program to swap two numbers using pointers : Pointers are the variables which store addresses of another variable. We can return multiple values from function

## Understand Pointers in C programming in easy way – 1

Pointers in C : In simple terms pointers are the variables which store addresses of another variable. Size of the pointer is dependent on the architecture.

## 20 – Best C program to find HCF

C program to find HCF : Highest Common Factor/GCD (Greatest Common Divisor) of two or more numbers is a highest integer which can divide them.HCF of 12 & 8 is 4

## 19 – Best C program to find LCM

C program to find LCM : LCM is Least Common Multiple/Lowest Common Multiple is smallest integer which is divided by both the numbers. LCM of 6 and 8 is 24.

## 18 – Best C program to count vowels and consonants in a string

C program to count vowels and consonants in a string : Vowels are a,e,i,o,u and rest of the alphabets are consonants It also counts spaces and special character

## Easy quiz on Array in C programming – part 2

Easy quiz on Array in C programming : this will help students to test their basic knowledge about the arrays in C programming. It will also help them to improve

## 17 – Best C program to add two matrices

C program to add two matrices : matrix is a collection of elements stored in rows and column. To add two matrices we will add numbers which shares same position

## 16 – C program to find Simple interest

C program to find Simple interest : To find simple interest we just need to add principal amount, number of years and rate of interest and then divide it by 100

## 15 – C Program to check if a number is even or odd

C Program to check if a number is even or odd : To find if number is even or odd, we need to divide it by 2 and if the reminder 0 then it’s even else it’s odd

## 14 – Best C program to swap two numbers without third variable

C program to swap two numbers without third variable : One of the easy and logic build program for students. We have to perform arithmetic operations for it