Answers

2014-04-22T07:19:34+05:30
A three digit number is represented as 100x+10y+z
and it's reverse is represented as 100z+10y+x
(100x+10y+z)-(100z+10y+x)=99(x-z)
as the difference is a multiple of 99
so option c)198 is the number as 99(2)=198
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2014-04-22T10:38:16+05:30
198 is the answer 99*2=198 
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