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I want to install g++. But I got error

sanket@sanket-Inspiron-N5110:/opt/objdir$ sudo apt-get install g++
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 g++ : Depends: g++-4.8 (>= 4.8.1-4~) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Please Help me

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marked as duplicate by Florian Diesch, Avinash Raj, karel, Eric Carvalho, waltinator Feb 4 '14 at 1:21

This question was marked as an exact duplicate of an existing question.

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