Package dependency problem while installing CUDA on Ubuntu 14.04

Option 1: apt-get

1. Install unmet dependencies

   sudo apt-get install cuda-runtime-7-0
   ...
   <more unmet dependencies>
   ....
   sudo apt-get install cuda-7-0
   

2. Install main package

   sudo apt-get install cuda
   

Option 2: aptitude

1. Install aptitude

   sudo apt-get install aptitude
   

2. Install main package

   sudo aptitude install cuda