Answers

2014-06-21T20:04:35+05:30
If repetition is not allowed
then the following word can be formed are 
bad 
bed 
aid
die 
ace

and If repetition is allowed 
then following words can be formed 
add
did
bee


2 5 2
very good
thnx taani :)
u r welcome : D
2014-06-22T11:59:52+05:30
If repetition is allowed  = 5*5*5 = 125
if repetition is not allowed = 5p3 = 5!/2! = 60
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