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1.c

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+// 1+3^3/3!+5^5/5!
+
+#include <stdio.h>
+
+int main(){
+	int num,i,factorial=1,power=1,j,n;
+	float sum=0;
+
+	printf("Enter a number of the sum: ");
+	scanf("%d",&num);
+
+	for(i=1;i<=2*num;i++){
+		//Since we have to get numeritor 
+		//not affected by the previous calculation so pro =1
+		if(i %2 ==0){
+			continue;
+			}
+			else{
+		power=1;
+		factorial=1;
+		//incase of factorial is get affected since the 
+		//facotial of number has not so facotial = 1 been used by previous calculation
+		for(j=1;j<=i;j++){
+			factorial =factorial*j;
+			power=power*i;
+		}
+	}
+
+		sum=sum+(power*1.0/factorial);
+		printf("%f\n",sum);
+	}
+
+	printf("the sum is: %f",sum);
+	return 0;
+}

12.c

@@ -0,0 +1,31 @@
+
+
+//1/1!+2^2/2!+3^3/3!.....nth term.
+
+
+#include <stdio.h>
+
+int main(){
+	int num,i,factorial=1,power=1,j;
+	float sum=0;
+
+	printf("Enter a number of the sum: ");
+	scanf("%d",&num);
+
+	for(i=1;i<=num;i++){
+		//Since we have to get numeritor 
+		//not affected by the previous calculation so pro =1
+		power=1;
+		//incase of factorial it does not get affected since the 
+		//facotial of number has been used by previous calculation
+		factorial =factorial*i;
+		for(j=1;j<=i;j++){
+			power=power*i;
+		}
+		sum=sum+(power*1.0/factorial);
+		printf("%f\n",sum);
+	}
+	printf("the sum is: %f",sum);
+	return 0;
+}
+

TOH.c

@@ -0,0 +1,23 @@
+//wAP for table of hanoi.
+
+#include <stdio.h>
+
+int TOH(int, int, int, int);
+
+int main(){
+  int n,A=1,B=2,C=3;
+  printf("Enter a number of disc: ");
+
+  scanf("%d",&n);
+  TOH(n, A,B,C);
+}
+
+int TOH(int n,int A,int B,int C){
+
+if(n > 0){
+   TOH (n-1,A,C,B);
+   printf("move a disk %d to %d\n",A,C);
+   TOH(n-1,B,A,C);
+}
+}
+

Untitled1.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <conio.h>
+
+int main(){
+	int num1,num2;
+	do{
+	printf("Enter a first number: ");
+	scanf("%d",&num1);
+	printf("Enter a secound number: ");
+	scanf("%d",&num2);
+	}
+	while(num1 >num2);
+
+   for(num1;num1<=num2;num1++){
+   	if(num1 % 5 == 0){
+   		printf("%d is divisible by 5 \n",num1);
+	   }
+   }
+	return 0;
+}

Untitled2.c

@@ -0,0 +1,25 @@
+//1/1!+2^2/2!+3^3/3!.....nth term.
+
+
+#include <stdio.h>
+
+int main(){
+	int num,i,factorial=1,power=1,j;
+	float sum=0;
+
+	printf("Enter a number of the sum: ");
+	scanf("%d",&num);
+
+	for(i=1;i<=num;i++){
+		power=1;
+		for(j=1;j<=i;j++)
+		factorial =factorial*i;
+			power=power*i;
+
+		}
+		sum=sum+(power*1.0/factorial);
+		printf("%f\n",sum);
+	}
+	printf("the sum is: %f",sum);
+	return 0;
+}

Untitled3.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <conio.h>
+
+int main(){
+	int num,i,count=0;
+
+	printf("Enter a number: ");
+	scanf("%d",&num);
+
+	for(num;num>=1;num--){
+		count = 0;
+	for(i=1;i<=num;i++){
+		if(num % i == 0)
+		{
+		 count++;
+		}
+	}
+	if(count == 2)
+	{
+	printf("\n %d is prime number",num);	
+	}
+}
+	return 0;
+}

fun10_SalaryRealated.c

@@ -0,0 +1,28 @@
+/* WAP to input salary of a person and claculate travel allowence (10% of salary) 
+daily allowencce (12% of alsary) tax(15% of salary) also 
+calculate net salary of person */
+
+#include <stdio.h>
+
+int net_salary(int);
+
+//Name: Sumit Ojha
+
+int main() {
+   int salary;
+
+   printf("Enter the salary of the person: "); 
+   scanf("%d",& salary);
+
+    printf("the net salary is : %d\n", net_salary(salary));
+return 0;
+}
+
+
+int net_salary(int i){
+    int tra, dai, tax;
+        tra = 10.0/100*i; 
+        dai = 12.0/100*i; 
+        tax = 15.0/100*i;
+return (dai+tra-tax);
+}

fun11_to_find_odd_n_even.c

@@ -0,0 +1,22 @@
+//WAP to find the odd and even number using conditions.
+
+#include <stdio.h>
+
+int num (int);
+int main() {
+    int n; 
+	printf("Enter a num: "); 
+	scanf("%d",&n); 
+	num(n); 
+return 0;
+}
+
+int num (int i){
+	if (i % 2 == 0){
+    printf("its even: %d", i);
+}
+ else{
+      printf("its odd: %d", i);
+    }
+return num;
+}

fun12_incrementdecrement.c

@@ -0,0 +1,26 @@
+//WAP to display the value of a and b or each Line 
+//a = ++ + ++a 
+//b = a-- - --a
+
+#include <stdio.h>
+
+// Name: Sumit Ojha
+
+int first(int); 
+int second(int,int);
+
+int main() {
+int a = 10 , b = 5;
+
+printf("++ + ++a = %d\n", first(a)); 
+printf("a-- - --b = %d\n", second(a,b)); 
+return 0;
+}
+
+int first (int i){
+return (i = + i + ++i);
+}
+
+int second(int i, int j) {
+return (j = i-- - --j);
+}

fun13_conv.c

@@ -0,0 +1,39 @@
+/*WAP to input height in feet and inch, weight in kg, 
+convert height into inches and again convert into meters, now divide your weight by 
+square of your height in meters and finally assign o/p to variable constant factors
+*/
+
+#include <stdio.h>
+
+float inches (float, float); 
+float meter (float, float); 
+float ratio (float, float, float);
+
+int main() {
+   float feet1, inches1, weight1, meter1, ratio1; 
+
+   printf("Enter the height in feet, inches and weight: "); 
+   scanf("%f %f %f",&feet1, &inches1,&weight1); 
+
+   inches1 = inches (inches1, feet1); 
+   printf("the height in inches is: %f \n", inches1); 
+
+   meter1=meter(meter1, inches1); 
+   printf("the inches in meter is: %f \n", meter1); 
+
+   ratio1=ratio(ratio1, weight1, meter1); 
+   printf("the value of div of your weight sqr of height: %f \n", ratio1); 
+   return 0;
+}
+
+float inches (float i, float j){
+return (i = i+(j*12));
+}
+
+float meter(float i, float j){
+return (i = 0.254*j);
+}
+
+float ratio (float i ,float j , float k){
+return (i = j/(k*k));
+}

fun14_temp.c

@@ -0,0 +1,30 @@
+/*WAP to read the tempr in farenheight and disply the message as follows nice day: temp >60 and and temp <80 , cold day: temp <=60 and hot day: tempr>=80. */
+
+#include <stdio.h>
+
+int tep(int);
+
+//Name: Sumit Ojha.
+
+int main(){
+   float temp;
+
+   printf("Enter temp: "); 
+   scanf("%f",&temp); 
+   tep(temp);
+
+ return 0;  
+}
+
+int tep(int i){
+    if (i > 60 && i < 80){
+    printf("it's a nice day."); 
+}
+ 	else if(i <= 60){
+    printf("it's a cold day.");
+}
+   else if (i >=80){
+   printf("it's a hot day.");
+}
+return tep;
+}

fun15_raterealted.c

@@ -0,0 +1,54 @@
+/*An organization is dealing in two items say a and b provide the comission on the scale of there according to the following polocy. 
+commission rate for is 6% up to scale is 2000 if the scale of these according to following policy*/
+
+#include <stdio.h>
+
+float product(float, float);
+
+// Name: Sumit Ojnd
+
+int main(){
+   int a,b; 
+   product(a,b);
+return 0;
+}
+
+float product(float i, float j){
+    char product; 
+	float com_i_1, com_j_1, com_i_2, com_j_2;
+
+    printf("Enter the product name: ");  
+	scanf("%c",&product);
+
+    if (product=='a'){
+    printf ("enter the price of a: "); 
+	scanf("%f",&i);
+
+    if (i <= 2000){
+    com_i_1 = 6.0/100*i;  
+	printf("the comission on a is: %.2f",com_i_1);
+    }
+
+   else if (i > 2000){
+   com_i_2 =(2000*6.0/100)+(i-2000)*7.0/100;  
+   printf("the comission on a is: %.2f \n", com_i_2);
+   }
+   }
+
+   else if (product=='b'){
+         printf ("enter the price of b: "); 
+         scanf("%f",&j);
+
+    if (j <= 4000)
+    {
+         com_j_1 = 10.0/100*j; 
+	     printf("the comission on b is: %.2f",com_j_1);
+    }
+    else if(j < 4000)
+    {
+	     com_j_2 = (4000*10.0/100)+(j-2000)*12.0/100; 
+	     printf("the comission on b is: %.2f \n", com_j_2);
+    }
+   }
+   return product;
+}

fun16_factorial.c

@@ -0,0 +1,25 @@
+//WAP to do the factorail of the given number:
+
+
+#include <stdio.h>
+int factorial(int);
+
+int main(){
+    int n; 
+
+	printf("Enter a number: "); 
+	scanf("%d",&n);
+
+	printf("the facorial of nis : %d", factorial(n));
+	return 0;
+}
+
+int factorial(int a){
+	int fact; 
+
+	if(a==1){
+    return a;
+}
+	fact = a*factorial(a-1); 
+	return fact;
+}