diff --git a/QUARTILE.C b/QUARTILE.C
new file mode 100644
index 00000000..a8498e64
--- /dev/null
+++ b/QUARTILE.C
@@ -0,0 +1,45 @@
+#include<stdio.h>
+#include<conio.h>
+#include<math.h>
+void main()
+{
+	int a[10],n,i,j,temp;
+	float q1,q3,iqr;
+	clrscr();
+	printf("Enter no. for Random Numbers :");
+	scanf("%d",&n);
+	for(i=0;i<n;i++)
+	{
+		a[i]=rand()%100;
+	}
+	printf("Random Numbers Generated are :\n");
+	for(i=0;i<n;i++)
+	{
+		printf("\n%d",a[i]);
+	}
+	printf("\n");
+	printf("\nSorted Data:");
+	for(i=0;i<n;i++)
+	{
+		for(j=0;j<n;j++)
+		{
+			if(a[i]<a[j])
+			{
+				temp=a[i];
+				a[i]=a[j];
+				a[j]=temp;
+			}
+		}
+	}
+	for(i=0;i<n;i++)
+	{
+		printf("\n%d",a[i]);
+	}
+	q1=a[n/4];
+	printf("\nFirst Quartile : %f",q1);
+	q3=a[(3*n)/4];
+	printf("\nThird Quartile : %f",q3);
+	iqr=q3-q1;
+	printf("\nInterQuartile Range is : %f",iqr);
+	getch();
+}
\ No newline at end of file
diff --git a/VARIANCE.C b/VARIANCE.C
new file mode 100644
index 00000000..627d71e1
--- /dev/null
+++ b/VARIANCE.C
@@ -0,0 +1,56 @@
+#include<stdio.h>
+#include<conio.h>
+#include<math.h>
+void main()
+{
+	int a[10],n,i,j,temp,sum=0;
+	float mean,var,stand;
+	clrscr();
+	printf("Enter no. for Random Numbers :");
+	scanf("%d",&n);
+	for(i=0;i<n;i++)
+	{
+		a[i]=rand()%100;
+	}
+	printf("Random Numbers Generated are :\n");
+	for(i=0;i<n;i++)
+	{
+		printf("\n%d",a[i]);
+	}
+	printf("\n");
+	printf("\nSorted Data:");
+	for(i=0;i<n;i++)
+	{
+		for(j=0;j<n;j++)
+		{
+			if(a[i]<a[j])
+			{
+				temp=a[i];
+				a[i]=a[j];
+				a[j]=temp;
+			}
+		}
+	}
+	for(i=0;i<n;i++)
+	{
+		printf("\n%d",a[i]);
+		sum=sum+a[i];
+	}
+	mean=sum/(float)n;
+	printf("\nMean :");
+	printf("%f",mean);
+	printf("\n");
+	for(i=0;i<n;i++)
+	{
+		sum=sum+(pow((a[i]-mean),2));
+	}
+	var=sum/(float)n;
+	printf("\nVariance is : %f",var);
+	printf("\n");
+	stand=sqrt(var);
+	printf("\nStandard Deviation is : %f",stand);
+	getch();
+}
+
+
+