Engineering Mathematics and Discrete mathematics 
Easy Medium Difficult
2020 1. Graph theory 1. First order logic

2. Polynomial equation

3. Standard deviation

4. Union

2018 1.Calculus

2.Set theory

3.Graph theory

1.Probability
2017(Dec) 1.Set Theory(2)

2.First order logic

1.Set Theory(2)

2.Probability

3.First order logic

4.Linear Algebra(2)

1.Calculus

2.Set theory

3.Linear algebra

2017(May) 1.Linear algebra

2.Arbitrary events

3.Propositional logic

1.Calculus

2.Set theory

2016 1.Graph Theory(2) 1.Miscellaneous
2015 1.Set theory
2014 1.Trigonometry

2.Combinatorics

3.Probability(2)

4.Set Theory(2)

5.Calculus

6.Graph Theory

1.Trigonometry
2013 1.Set Theory

2.Graph theory

1.Linear Algebra

2.Calculus

3.Probability

4.Graph Theory

2011 1.Set Theory

2.Graph Theory

3.Linear Algebra

4.Strings

1.Graph Theory

2.Calculus(2)

3.Probability

1.Calculus
2009 1.Graph Theory(4)

2.Linear Algebra(2)

1.Calculus(2)

2.Linear Algebra(4)

3.Trigonometry

4.Graph Theory

1.Calculus(3)

2.Probability(3)

2008 1.Linear Algebra 1.Graph Theory(3)

2.Linear Algebra

2007 1.graph Theory(2)

2.Set theory

1.Propositional logic

2.Probability

3.Graph theory

1.Probability