In the exam class, the alignment worked perfectly for the first question. After I insert a new page, for subsequent question, the alignment was not on the left and instead it was centered. I am not sure of what I should do futher to rectify the issue.
%Question 2% \question \textbf{[10 marks]} \\ The complex number $z$ has modulus $\sqrt{2}$ and argument $\frac{-\pi}{6}$, and the complex number $w$ has modulus $\sqrt{2}$ and argument $\frac{-\pi}{4}$. \begin{parts} 
Better code:
\documentclass{exam} \usepackage{amsmath} \usepackage{graphicx} \begin{document} \pointsdroppedatright \bracketedpoints \begin{questions} \question The diagram below shows part of the graph of $y=e^{-2x} \cos x +2$. \fillwithdottedlines{\stretch{1}} \newpage \question The complex number $z$ has modulus $\sqrt{2}$ and argument $\frac{-\pi}{6}$ \end{questions} \end{document} 
