diff --git a/number 2 b/number 2
new file mode 100644
index 00000000..db7e7176
--- /dev/null
+++ b/number 2	
@@ -0,0 +1,32 @@
+Number 2a solution;
+
+
+float do_it(char A,char B,char C)
+
+
+Number 2b solution;
+
+
+void print_a_number (int a)
+
+number 2c sln;
+
+#include <stdio.h>
+void print_msg(void);
+
+main()
+{
+    print_msg();
+    return 0;
+}
+
+void print_msg(void)
+{
+    puts("This is a message to print");
+    return 0;
+}
+/*the function name must be the same. it was wrong to put print_msq instead of print_msg*/
+
+/* so the above program corrected prints 'This is a message to print'*/
+/*the funtion has arguments yet the declaration function had no arguments*/
+
diff --git a/number 3 b/number 3
new file mode 100644
index 00000000..778163c4
--- /dev/null
+++ b/number 3	
@@ -0,0 +1,96 @@
+Number 3a solution;
+
+float a[50]
+
+
+Number 3b solution;
+
+a[49]=123.456;
+
+ 
+
+number 3c sln;
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int x;
+    for(x=0;x<100;x++)
+    printf("%d\n",x);
+    return 0;
+}
+
+/* 0<=x<=99*/
+
+
+number 3d sln;
+
+#include <stdio.h>
+
+int main()
+{
+    int ctr;
+
+    for(ctr=2;ctr<10;ctr+=3)
+
+    printf("%d\n",ctr);
+
+    return 0;
+}
+/*the value of ctr is 2,5 and 8*/
+
+
+number 3e sln;
+
+#include <stdio.h>
+
+int main()
+{
+    int b=1;
+
+while (b<=100)
+{
+    printf("%d\n",b);
+
+    b+=3;
+
+    }
+
+    return 0;
+}
+/*the values of x ranged 1<=x<=100*/
+
+
+number 3f sln;
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int counter
+
+    for(counter=1; counter<MAXVALUES;counter ++);
+
+    printf("\nCounter=%d",counter);
+
+}
+/*'counter' undeclared, its supposed to declared as an int with ';' at the end*/
+
+/*'MAXVALUES' undeclared earlier in the function*/
+
+/*the for loop should not be terminated*/
+
+/*the printf function written wrongly;
+
+first '\n' came before %d
+
+second 'Counter' was written with a capital later instead of a small letter and also equaled to %d*/
+
+
+
+
+
diff --git a/number 4 b/number 4
new file mode 100644
index 00000000..bbeb891d
--- /dev/null
+++ b/number 4	
@@ -0,0 +1,57 @@
+number 4a sln;
+
+void addarrays(int N, int x[],int y[],int z[]){
+int i;
+for(i=0; i<N; I++)
+
+{
+    z[i]=x[i]+y[i];
+}
+
+}
+
+
+number 4b sln;
+
+
+#include <stdio.h>
+#include <stdlib.h>
+int N, i;
+int *addarrays(int N,int x[],int y[],int z[]){
+int i;
+for(i=0; i<N; i++)
+    {
+        z[i]=x[i]+y[i];
+    }
+    return 0;
+}
+void arrays_elements(int N, int a[]){
+for (i=0; i<N ; i++)
+      printf("\n%d",a[i]);
+}
+void print_elements(int N, int a[]){
+    for(i=0; i<N; i++){
+printf("enter element");
+scanf("%d",&a[i]);}
+      }
+      int main(){
+      int x[N], y[N],z[N];
+      printf("enter size of the arrays");
+      scanf("%d",&N);
+      printf("enter elements of the 1st array:\n");
+      print_elements(N,x);
+      printf("enter elements of the array two:\n");
+      print_elements(N,y);
+      int*p;
+      p=addarrays(N,x,y,z);
+      printf("elements of array 1 are:\n");
+      print_elements(N,x);
+      printf("elements of array 2 are:\n ");
+      print_elements(N,y);
+      printf("elements of array that contain sum are:\n");
+      print_elements(N,z);
+      return 0;
+      }
+
+
+
diff --git a/question 1 b/question 1
new file mode 100644
index 00000000..582ad4ff
--- /dev/null
+++ b/question 1	
@@ -0,0 +1,13 @@
+#include <stdio.h>
+int x=1;
+main()
+{
+    if(x==1)
+    printf("x equals 1");
+    else
+    printf("x does not equal 1");
+    return 0;
+}
+
+/* the program initially had 'if (x=1)' which is simply an assignment operator not the equals sign*/
+/* the word 'otherwise' was used instead of 'else'*/