diff --git a/G/04/25/01_task01.c b/G/04/25/01_task01.c
new file mode 100644
index 000000000..5248ad054
--- /dev/null
+++ b/G/04/25/01_task01.c
@@ -0,0 +1,16 @@
+#include<stdio.h>
+int main()
+{
+ int n,i;
+ do{scanf("%d",&n);}while(n<=0);
+ int a[n];
+ for(i=0;i<n;i++)
+{
+ scanf("%d",&a[i]);
+}
+for(i=n-1;i>=0;i--)
+{
+ printf("\n%d",a[i]);
+}  
+ return 0;
+}
diff --git a/G/04/25/02_task02.c b/G/04/25/02_task02.c
new file mode 100644
index 000000000..29c495a7a
--- /dev/null
+++ b/G/04/25/02_task02.c
@@ -0,0 +1,18 @@
+#include<stdio.h>
+int main()
+{
+int i,n,r,b;
+scanf("%d",&n);
+int a[n];
+for(i=0;i<n;i++)
+{do{scanf("%d",&a[i]);}while(a[i]%2==0);}
+r=n-1;
+if(n%2!=0){ printf("\n %d",a[(n-1)/2]);}
+else{for(i=0;i<n/2;i++)
+{b=a[i]-a[r];
+r--;
+printf("%d\n",b);
+}
+}
+return 0;
+}
diff --git a/G/04/25/03_task03.c b/G/04/25/03_task03.c
new file mode 100644
index 000000000..09fcac4c3
--- /dev/null
+++ b/G/04/25/03_task03.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <string.h>
+int main()
+{
+char s[1000];
+fgets (s,1000,stdin);
+int i=0,j,c;
+do
+{
+c=0;
+j=0;
+while(j<strlen(s))
+{
+if(s[j]=='a'+i){c++;}
+if(s[j]=='A'+i){c++;}
+j++;}
+if(c!=0){printf("%c - %d\n",'a'+i,c);}
+i++;
+}while(i<26);
+return 0;
+}
diff --git a/G/04/25/04_task04.c b/G/04/25/04_task04.c
new file mode 100644
index 000000000..a9108dec8
--- /dev/null
+++ b/G/04/25/04_task04.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+int main ()
+{
+int d=0,i,j,c,b=0;
+float f,a[64],s=0,e;
+scanf("%f",&f);
+for(i=0;f!=EOF;i++)
+{
+for(j=0;j<64;j++)
+if(a[j]==f){break;}
+else{d++;}
+if(d==64){a[b]=f;b++;}
+d=0;
+}
+printf("%d",b);
+j=0;
+do
+{
+c=a[j]/b;
+e=a[j]-c*b;
+s=s+e;
+j++;
+}while(j<b);
+printf("\n%.3f",s);
+return 0;
+}