Explain this interview question to me...

Posted by MuraliVijay CSK on Stack Overflow See other posts from Stack Overflow or by MuraliVijay CSK
Published on 2010-04-28T04:59:26Z Indexed on 2010/04/28 5:03 UTC
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If the variable $a is equal to 5 and variable $b is equal to character a, what’s the value of $$b? - 100, it’s a reference to existing variable.

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