1 //code1
2 #include<iostream>
3 using namespace std;
4 int main()
5 {
6 float base,altitude,area,v_var;
7 cout<<"enter the base of triangle\n";
8 cin>>base;
9 cout<<"enter the altitude of triangle\n";
10 cin>> altitude;
11 v_var = (base * altitude);
12 area = (0.5 * v_var);
13 cout<<"The area of the triangle is "<< area <<" square units";
14 return 0;
15 }
16
17 //code2
18 #include<iostream>
19 #include <cmath>
20 using namespace std;
21 int main()
22 {
23 float radius,pi=3.1419,diameter, circumference,area;
24 cout<<"enter radius of the circle";
25 cin>>radius;
26 diameter=2*radius;
27 circumference=2*pi*radius;
28 area=pi*radius*radius;
29 cout<<"diameter of given circle is "<<diameter<<"units\n";
30 cout<<"circumference of given circle is "<<circumference<<"units\n";
31 cout<<"Area of given circle is "<<area<<"units\n";
32 return 0;
33 }
34 //code3
35 #include<iostream>
36 using namespace std;
37 int main()
38 {
39 int num_1;
40 int digit_1,digit_2,digit_3,digit_4,digit_5;
41 cout<<"Enter your five digit positive integer: ";
42 cin>>num_1;
43 digit_1 =num_1/10000;
44 digit_2 =num_1/1000 %10;
45 digit_3 =num_1/100%10;
46 digit_4 =num_1/10%10;
47 digit_5 =num_1/1%10;
48 if(num_1>=0&&num_1>=10000&&num_1<=99999){
49 cout<<"First digit is: "<<digit_1<<"\n";
50 cout<<"Second digit is: "<<digit_2<<"\n";
51 cout<<"Third digit is: "<<digit_3<<"\n";
52 cout<<"Fourth digit is: "<<digit_4<<"\n";
53 cout<<"Fifth digit is: "<<digit_5<<"\n";
54 }
55 else{
56 cout<<"incorrect input";
57 }
58 return 0;
59 }
60
61 //code4
62 #include<iostream>
63 using namespace std;
64 int main() {
65 int num;
66 cout << "Enter a number: ";
67 cin >> num;
68
69 if (num <= 0) {
70 cout << "Condition 1: num is less than or equal to 0" << endl;
71 } else if (num % 2 == 0) {
72 cout << "Condition 2: num is even and greater than 0" << endl;
73 } else {
74 cout << "Condition 3: num is odd and greater than 0" << endl;
75 }
76
77 return 0;
78 }
79
80 //code5
81 #include <iostream>
82 using namespace std;
83
84 int main() {
85 char letter;
86 cout << "Enter a character: ";
87 cin >> letter;
88 if (letter == 'A' || letter == 'a' ||
89 letter == 'E' || letter == 'e' ||
90 letter == 'I' || letter == 'i' ||
91 letter == 'O' || letter == 'o' ||
92 letter == 'U' || letter == 'u') {
93 cout << "You have entered a vowel." << endl;
94 } else if ((letter >= 'A' && letter <= 'Z') || (letter >= 'a' && letter <= 'z')) {
95 cout << "You have entered a consonant." << endl;
96 } else {
97 cout << "You have entered an invalid character." << endl;
98 }
99
100 return 0;
101 }
102
103 //code6
104 #include<iostream>
105 using namespace std;
106 int main(){
107 int net_wealth;
108 cout<<"Enter your net wealth in pkr: ";
109 cin>>net_wealth;
110 cout<<"Your zakat is: "<<net_wealth*0.025<<"pkr";
111
112 }
113
114 //code7
115 #include <iostream>
116 using namespace std;
117 int main() {
118 const int FIXED_COST = 3000;
119 const double TAX_RATE = 0.13;
120 int units_consumed;
121 double cost_of_electricity = 0.0, taxes = 0.0, total_bill = 0.0;
122 cout << "Enter the electricity units consumed: ";
123 cin >> units_consumed;
124 if (units_consumed <= 200) {
125 cost_of_electricity = units_consumed * 35; // 35 PKR per unit
126 } else if (units_consumed > 200 && units_consumed <= 350) {
127 cost_of_electricity = (200 * 35) + ((units_consumed - 200) * 45); // 35 PKR for first 200, 45 PKR
for rest
128 } else if (units_consumed > 350) {
129 cost_of_electricity = (200 * 35) + (150 * 45) + ((units_consumed - 350) * 60); // 35 PKR for first
200, 45 PKR for next 150, 60 PKR for rest
130 }
131 taxes = cost_of_electricity * TAX_RATE;
132 total_bill = FIXED_COST + cost_of_electricity + taxes;
133 cout << "\nElectricity Bill Details:\n";
134 cout << "Fixed Cost: " << FIXED_COST << " PKR\n";
135 cout << "Cost of Electricity: " << cost_of_electricity << " PKR\n";
136 cout << "Taxes (13%): " << taxes << " PKR\n";
137 cout << "Total Bill: " << total_bill << " PKR\n";
138
139 return 0;
140 }
