diff --git a/C/program-61/program.c b/C/program-61/program.c
new file mode 100644
index 00000000..0bfbf2dc
--- /dev/null
+++ b/C/program-61/program.c
@@ -0,0 +1,23 @@
+#include<stdio.h>
+void main()
+{
+	double r,area,circum;//Initializing varaibles
+	
+	printf("Enter Radius:");
+	scanf("%lf",&r);//getting radius.
+	
+	if(r<10)//Checks if radius is less than 10
+	{
+		circum = 2*3.14*r;//Circumference of a circle is 2*pi*r.
+		
+		printf("The Circumference of the Circle with the given radius is: %lf",circum);//printing Circumference
+	}
+	else//If r is NOT less that 10....i.e. r is greater than 10
+	{
+	area = 3.14*r*r;//Area of a circle is pi*r*r.
+	
+	printf("The Area of the Circle with the given radius is: %lf",area);//printing The area	
+	}
+	getch();
+	
+}
diff --git a/C/program-63/program.c b/C/program-63/program.c
new file mode 100644
index 00000000..b89e54f9
--- /dev/null
+++ b/C/program-63/program.c
@@ -0,0 +1,16 @@
+#include<stdio.h>
+void main()
+{
+	int n1,n2,n3,n4,n5;
+	float t;
+	
+	printf("Enter Five Numbers:");
+	scanf("%d %d %d %d %d",&n1,&n2,&n3,&n4,&n5);
+	
+	t=(n1+n2+n3+n4+n5)/5;
+	
+	printf("The Average of %d,%d,%d,%d,%d is %f",n1,n2,n3,n4,n5,t);
+	
+	getch();
+	
+}