Or, alternatively, which were generally considered the least difficult?
Thank you!

APPLIED
Electromagnetic Theory
Quantum Theory
Advanced Numerical Analysis
Partial Differential Equations
Tensor Field Theory
Financial Mathematics
Dynamical Systems
Calculus of Variations & Hamiltonian Mechanics
Mathematical modelling in biology and medicine
PURE
Computer Algebra
Ring Theory
Set Theory
Convergence
Computer Algebra
Mathematical Investigations
Metric and Normed Spaces
Algebraic Equations
STATISTICS
Linear & Dynamic Programming
Stochastic Processes
Survival Analysis for Medicine
Statistical Data Mining