Decision making with if statement may be implemented in different forms depending on the complexity of conditions to be tested.The different forms are, Simple if statement if….else statement Nested if….else statement Using else if statement Syntax if(expression1) { statement block1; } else if(expression2) { statement block2; } else if(expression3 ) { statement block3; } else { default statement; } The expression is tested from the top(of the ladder) to downwards. As soon as a true condition is found, the statement associated with it is executed. Example is shown below :: #include <stdio.h> #include<conio.h> void main( ) { int a; clrscr();…