\documentclass[spanish,letterpaper,leqno,12pt]{paper}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% DATOS DE LA EVALUACION
\newcommand{\curso}{Nombre del curso}
\newcommand{\carrera}{Carrera}
\newcommand{\duracion}{XXX minutos}
\newcommand{\evaluacion}{Prueba Nº X}
\newcommand{\rutaLogo}{logoINSTMAT.jpg}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% Useful Packages
\usepackage{amssymb,amsmath,amsthm,hyperref,mathtools,bbm,cancel,multicol,enumitem,tabularx}
\usepackage{array}
\usepackage{booktabs}
\usepackage{fancyhdr}
\usepackage{graphicx}
\usepackage{lastpage}
\usepackage{pdflscape}

% Language
\usepackage[utf8]{inputenc}
\usepackage[spanish,activeacute]{babel}

% Better fonts
\usepackage[T1]{fontenc}
\usepackage{microtype}

% Margins
\usepackage[
	left=16mm,
	right=16mm,
	top=16mm,
	bottom=16mm,
	%includehead,
	%includefoot,
	footskip=5mm
]{geometry}

% Header layout for content pages
\setlength{\headheight}{34pt}
\pagestyle{fancy}
\fancyhf{}
\fancyhead[L]{\includegraphics[width=25mm]{\rutaLogo}}
\fancyhead[C]{\small \textbf{\evaluacion}\\[-1mm]\small \curso}
\fancyhead[R]{\small \carrera\\[-1mm]\small Duraci\'on: \duracion}
\fancyfoot[R]{\small P\'agina \thepage\ de \pageref{LastPage}}
\renewcommand{\headrulewidth}{0.3pt}
\renewcommand{\footrulewidth}{0pt}

\begin{document}

% ===== PORTADA =====
\thispagestyle{empty}

\vspace*{-7mm}

\noindent
\begin{tabularx}{\textwidth}{
  | >{\centering\arraybackslash\small\bfseries}X
  | >{\centering\arraybackslash\small\bfseries}X
  | >{\centering\arraybackslash\small\bfseries}X |}
\hline
Apellido Paterno & Apellido Materno & Nombres \\
\hline
& & \\[2mm]
\hline
\end{tabularx}

\vspace{10mm}

\noindent{
	\begin{tabular}{lcl}
		\begin{minipage}{0.15\textwidth}
			\noindent{\hspace{-2mm}\includegraphics[width=35mm]{\rutaLogo}}
		\end{minipage}
		&
		\begin{minipage}{0.4925\textwidth}
			\begin{center}{\Large \textbf{\evaluacion}}\\
			\end{center}
		\end{minipage}
		&
		\begin{minipage}{0.29\textwidth}
			\begin{flushright}
				\curso\\
				\carrera\\
				\textbf{Duración: \duracion}
			\end{flushright}
		\end{minipage} 
	\end{tabular}
}

\vspace{10mm}

\noindent
\begin{center}
\begin{tabularx}{.5\textwidth}{
	| >{\raggedright\arraybackslash\small\bfseries}X
	| >{\centering\arraybackslash\small\bfseries}X |}
\hline
\textbf{Pregunta} & \textbf{Puntaje} \\
\hline
Pregunta 1 & \\[10mm]
\hline
Pregunta 2 & \\[10mm]
\hline
Pregunta 3 & \\[10mm]
\hline
Pregunta 4 & \\[10mm]
\hline
Total & \\[10mm]
\hline
Nota & \\[10mm]
\hline
\end{tabularx}
\end{center}

\vspace{10mm}

{
\noindent\textbf{Instrucciones:}
\vspace{-3mm}
\begin{itemize}[itemsep=-1mm]
  \item Responda claramente cada pregunta. Respuestas sin desarrollo, poco claras o desordenadas no recibir\'an puntaje.
  \item Solo se permite el material autorizado por el/la docente.
  \item Ante cualquier eventualidad se seguir\'a la pol\'itica de honestidad acad\'emica seg\'un reglamento.
\end{itemize}
}

\vspace{-4mm}
\noindent\hrulefill

\newpage

% ===== CONTENIDO DE LA PRUEBA =====
\setcounter{page}{1}
\pagestyle{fancy}

\begin{enumerate}[leftmargin=*,itemsep=3mm]
  \item \ldots
\end{enumerate}

\end{document}