EXERCISE 2

Question 1

a)Float Pi=”3.14”;

b)double perimeter;

c) int data;

cout<<”Enter your data “;

cin>>data;

d) int num;

cout<<”Enter your num “;

cin>>num;

Question 2

#include <iostream.h>

main()

{

Int selection,quantity;

float price;

cout << “1 Pen = RM0.50”;

cout << “2 Pensil = RM0.30”;

cout << “3 Rules = RM0.20”;

cout << “4 Erasers = RM0.10”;

cin >> selection;

cin >> quantity;

switch (selection)

{

case 1: price = quantity * 0.50 ;break;

case 2: price = quantity * 0.30 ;break;

case 3: price = quantity * 0.20 ;break;

case 4: price = quantity * 0.10 ;break;

default : cout << “Invalid Selection”;

}

cout<<"The price is: "<<price;

return 0;

}