diff --git a/README.md b/README.md
index dfc7d41..3f3ab03 100644
--- a/README.md
+++ b/README.md
@@ -56,8 +56,7 @@ problem, solution = mathgen.genById(0)
 | 23 | Solve a System of Equations in R^2 | 4x - 8y = 48, 3x - 8y = 40 | x = 8, y = -2 | systemOfEquations |
 | 24 | Distance between 2 points | Find the distance between (-9, -20) and (18, -19) | sqrt(730) | distance2Point |
 | 25 | Pythagorean Theorem | The hypotenuse of a right triangle given the other two lengths 18 and 13 =  | 22.20 | pythagoreanTheorem |
-| 26 | Linear Equations | -11x + -16y = -302
-1x + 20y = 250 | x = 10, y = 12 | linearEquations |
+| 26 | Linear Equations | -11x + -16y = -302 , 1x + 20y = 250 | x = 10, y = 12 | linearEquations |
 | 27 | Prime Factorisation | Find prime factors of 55 | [5, 11] | primeFactors |
 | 28 | Fraction Multiplication | (4/9)*(8/10) | 16/45 | fractionMultiplication |
 | 29 | Angle of a Regular Polygon | Find the angle of a regular polygon with 15 sides | 156.0 | angleRegularPolygon |
diff --git a/mathgenerator/mathgen.py b/mathgenerator/mathgen.py
index 2515683..64f6668 100644
--- a/mathgenerator/mathgen.py
+++ b/mathgenerator/mathgen.py
@@ -713,6 +713,57 @@ def fourthAngleOfQuadriFunc(maxAngle = 180):
     problem = f"Fourth angle of quadrilateral with angles {angle1} , {angle2}, {angle3} ="
     solution = angle4
     return problem, solution
+  
+def quadraticEquation(maxVal=100):
+	a = random.randint(1,maxVal)
+	c = random.randint(1,maxVal)
+	b = random.randint(round(math.sqrt(4*a*c))+1,round(math.sqrt(4*maxVal*maxVal)))
+	
+	problem = "Zeros of the Quadratic Equation {}x^2+{}x+{}=0".format(a,b,c)
+
+	D = math.sqrt(b*b-4*a*c)
+	
+	solution = str([round((-b+D)/(2*a), 2),round((-b-D)/(2*a), 2)])
+	return problem,solution
+
+def hcfFunc(maxVal=20):
+    a = random.randint(1, maxVal)
+    b = random.randint(1, maxVal)
+    x, y = a, b
+    while(y):
+       x, y = y, x % y
+    problem = f"HCF of {a} and {b} = "
+    solution = str(x)
+    return problem, solution
+
+def DiceSumProbFunc(maxDice=3):
+    a = random.randint(1,maxDice)
+    b = random.randint(a,6*a)
+    count=0
+    for i in [1,2,3,4,5,6]:
+        if a==1:
+            if i==b:
+                count=count+1
+        elif a==2:
+            for j in [1,2,3,4,5,6]:
+                if i+j==b:
+                    count=count+1
+        elif a==3:
+            for j in [1,2,3,4,5,6]:
+                for k in [1,2,3,4,5,6]:
+                    if i+j+k==b:
+                        count=count+1
+    problem = "If {} dice are rolled at the same time, the probability of getting a sum of {} =".format(a,b)
+    solution="{}/{}".format(count, 6**a)
+    return problem, solution
+
+def exponentiationFunc(maxBase = 20,maxExpo = 10):
+    base = random.randint(1, maxBase)
+    expo = random.randint(1, maxExpo)
+    problem = f"{base}^{expo} ="
+    solution = str(base ** expo)
+    return problem, solution
+
 def confidenceIntervalFunc():
     n=random.randint(20,40)
     j=random.randint(0,3)
@@ -734,7 +785,6 @@ def confidenceIntervalFunc():
     solution= '({}, {})'.format(mean+standard_error, mean-standard_error)
     return problem, solution
 
-
 # || Class Instances
 
 #Format is:
@@ -787,7 +837,11 @@ vectorCross = Generator("Cross Product of 2 Vectors", 43, "a X b = ", "c", vecto
 compareFractions=Generator("Compare Fractions",44,"Which symbol represents the comparison between a/b and c/d?",">/</=",compareFractionsFunc)
 simpleInterest = Generator("Simple Interest", 45, "Simple interest for a principle amount of a dollars, b% rate of interest and for a time period of c years is = ", "d dollars", simpleInterestFunc)
 matrixMultiplication =  Generator("Multiplication of two matrices", 46, "Multiply two matrices A and B", "C", matrixMultiplicationFunc)
-CubeRoot = Generator("Cube Root",47,"Cuberoot of a upto 2 decimal places is","b",cubeRootFunc)
+cubeRoot = Generator("Cube Root",47,"Cuberoot of a upto 2 decimal places is","b",cubeRootFunc)
 powerRuleIntegration = Generator("Power Rule Integration", 48, "nx^m=", "(n/m)x^(m+1)", powerRuleIntegrationFunc)
 fourthAngleOfQuadrilateral = Generator("Fourth Angle of Quadrilateral",49,"Fourth angle of Quadrilateral with angles a,b,c =","angle4",fourthAngleOfQuadriFunc)
-ConfidenceInterval = Generator("Confidence interval For sample S", 51, "With X% confidence", "is (A,B)", confidenceIntervalFunc)
+quadraticEquationSolve = Generator("Quadratic Equation", 50, "Find the zeros {x1,x2} of the quadratic equation ax^2+bx+c=0", "x1,x2", quadraticEquation)
+hcf = Generator("HCF (Highest Common Factor)", 51, "HCF of a and b = ", "c", hcfFunc)
+diceSumProbability=Generator("Probability of a certain sum appearing on faces of dice", 52,"If n dices are rolled then probabilty of getting sum of x is =","z", DiceSumProbFunc)
+exponentiation = Generator("Exponentiation", 53,"a^b = ","c",exponentiationFunc)
+confidenceInterval = Generator("Confidence interval For sample S", 54, "With X% confidence", "is (A,B)", confidenceIntervalFunc)