diff --git a/chapter_1/exercise/R_1_8.cpp b/chapter_1/exercise/R_1_8.cpp
new file mode 100644
index 0000000..87ad340
--- /dev/null
+++ b/chapter_1/exercise/R_1_8.cpp
@@ -0,0 +1,27 @@
+#include <iostream>
+using namespace std;
+
+bool isMultiple(int num1, int num2) {
+    if (num1 % num2 == 0) {
+        return true;
+    }
+    return false;
+
+}
+
+//Program to test the function.
+int main() {
+    int num1;
+    int num2;
+
+    cout << "Enter a whole number: ";
+    cin >> num1;
+
+    cout << "Enter another whole number: ";
+    cin >> num2;
+
+    bool value = isMultiple(num1, num2);
+    cout << value;
+
+    return 0;
+}