diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index b8b7a9c..33bb79a 100644
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -24,7 +24,19 @@
    "outputs": [],
    "source": [
     "\"\"\"\n",
-    "your solution here\n",
+    "P(A U B) = P(A) + P(B) - P(A and B)\n",
+    "P(A U B) = 0.30 + 0.60 - 0.10\n",
+    "P(A U B) = 0.80\n",
+    "P(A and not B) = P(A) - P(A and B) = 0.3 - 0.1 = 0.2\n",
+    "P(A and (B U not B)) = P(A) = 0.3\n",
+    "P(not A and not B) = 1 - P(A U B) = 1 - 0.8 = 0.2\n",
+    "P(not (A and B)) = 1 - P(A and B) = 1 - 0.1 = 0.9\n",
+    "\n",
+    "1 - False\n",
+    "2 - True\n",
+    "3 - False\n",
+    "4 - False\n",
+    "5 - True\n",
     "\"\"\""
    ]
   },
@@ -49,7 +61,13 @@
    "outputs": [],
    "source": [
     "\"\"\"\n",
-    "your solution here\n",
+    "Total Balls = w 10 + r 12 + b 8 = 30\n",
+    "\n",
+    "a) 10/30\n",
+    "b) 10/29\n",
+    "c) 11/28\n",
+    "d) 12/30\n",
+    "\n",
     "\"\"\""
    ]
   },
@@ -75,7 +93,15 @@
    "outputs": [],
    "source": [
     "\"\"\"\n",
-    "your solution here\n",
+    "rain = 0.5\n",
+    "cloudy = 0.4\n",
+    "month = 0.1\n",
+    "\n",
+    "P(rain | cloudy) = (P(cloudy | rain) * P(month)) / P(cloudy)\n",
+    "P(rain | cloudy) = (0.5 * 0.1) / 0.4 \n",
+    "P(rain | cloudy) = 0.05 / 0.4 \n",
+    "P(rain | cloudy) ≈ 0.125 * 100 = 12.5%\n",
+    "\n",
     "\"\"\""
    ]
   },
@@ -116,7 +142,23 @@
    "outputs": [],
    "source": [
     "\"\"\"\n",
-    "your solution here\n",
+    "  Y - M - T\n",
+    "M 324 156 480\n",
+    "W 351 169 520\n",
+    "T 675 325 1000\n",
+    "\n",
+    "  Y - M - T\n",
+    "M 32.4 15,6 48,0\n",
+    "W 35,1 16,8 52,0\n",
+    "T 67,5 32,5 100\n",
+    "\n",
+    "FOR INDEPENDENT\n",
+    "P(A AND B) = PA X PB\n",
+    "P(A AND B) = 67.5% * 48.0% = 32.4%\n",
+    "\n",
+    "Man|Yes = 32.4\n",
+    "\n",
+    "They are independent!\n",
     "\"\"\""
    ]
   }