diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index b8b7a9c..0a0aa62 100644
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -25,7 +25,29 @@
    "source": [
     "\"\"\"\n",
     "your solution here\n",
-    "\"\"\""
+    "\"\"\"\n",
+    "'''\n",
+    "P(A∪B) = P(A)+P(B)-P(A∩B)\n",
+    "P(AUB)= 0.3+0.6-0.1\n",
+    "P(AUB)=0.8'''#First 1 is false\n",
+    "'''\n",
+    "P(Ā) = 1-P(A)\n",
+    "P(notB) = 1-0.6\n",
+    "P(notB)= 0.4\n",
+    "P(A∩B-)=P(A)-P(A∩B)\n",
+    "P(A∩B-)=0.3-0.1\n",
+    "P(A∩B-)=0.2'''#Second one is True\n",
+    "'''\n",
+    "P(BuB-)=-0.3+0.4\n",
+    "P(A∩(BuB-))= 0.3+0.1\n",
+    "P(A∩(BuB-))=0.4'''#Third one is True\n",
+    "'''\n",
+    "P(notAuB)=1-0.8\n",
+    "P(notAuB)=0.2\n",
+    "'''#The Fouth one is False\n",
+    "'''P(A∩B)=1-0.1\n",
+    "P(notAuB)=0.9\n",
+    "'''#The Fifth is True"
    ]
   },
   {
@@ -49,7 +71,12 @@
    "outputs": [],
    "source": [
     "\"\"\"\n",
-    "your solution here\n",
+    "your solution \n",
+    "nb=30 wb=10 rb=12 bb=8\n",
+    "1/3 Taking a white ball out.\n",
+    "10/29 Taking a white ball out after taking a black ball out.\n",
+    "11/28 Taking a red ball out after taking a black and a red ball out.\n",
+    "2/5 Taking a red ball out after taking a black and a red ball out with reposition.\n",
     "\"\"\""
    ]
   },
@@ -76,6 +103,12 @@
    "source": [
     "\"\"\"\n",
     "your solution here\n",
+    "Prc=50% Pc=40% Pr=10%\n",
+    "Prd=(Prc,Prc-),40%,10%\n",
+    "P(A|B)=P(B|A)*P(A)/P(B)\n",
+    "P=P(0.5)*0.1/0.4\n",
+    "P=0.125\n",
+    "What is the probability of rain, given the day started cloudy?12.5%\n",
     "\"\"\""
    ]
   },
@@ -106,7 +139,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "# your code here\n"
    ]
   },
   {
@@ -117,6 +150,14 @@
    "source": [
     "\"\"\"\n",
     "your solution here\n",
+    "    Y   N   T   Py   Pn\n",
+    "M   324 156 480 67.5 32.5   \n",
+    "F   351 169 520 67.5 32.5\n",
+    "T   675 325 100067.5 32.5\n",
+    "\n",
+    "They are independent as the Prob are the same\n",
+    "\n",
+    "\n",
     "\"\"\""
    ]
   }