diff --git a/lib/minMaxNumber.ts b/lib/minMaxNumber.ts
new file mode 100644
index 0000000..de76c7c
--- /dev/null
+++ b/lib/minMaxNumber.ts
@@ -0,0 +1,39 @@
+export const min = (list: number[]): number => {
+  const sortList = list.sort();
+  let L = 0;
+  let R = list.length - 1;
+  let res = list[L];
+
+  while (L <= R) {
+    let currentMin = sortList[L] < sortList[R] ? sortList[L] : sortList[R];
+    res = currentMin < res ? currentMin : res;
+
+    L++;
+    R--;
+  }
+
+  return res;
+};
+
+export const max = (list: number[]): number => {
+  const sortList = list.sort();
+  let L = 0;
+  let R = list.length - 1;
+  let res = list[L];
+
+  while (L <= R) {
+    let currentMax = sortList[L] > sortList[R] ? sortList[L] : sortList[R];
+    res = currentMax > res ? currentMax : res;
+
+    L++;
+    R--;
+  }
+
+  return res;
+};
+
+console.log(min([-52, 56, 30, 29, -54, 0, -110]), -110);
+console.log(min([42, 54, 65, 87, 0]), 0);
+
+console.log(max([4, 6, 2, 1, 9, 63, -134, 566]), 566);
+console.log(max([5]), 5);