King Kong Posted August 26, 2006 Share Posted August 26, 2006 Q: What is the value of two-digit number x? 1). The sum of the two digits is 4 2). The different between the two digits is 2 Quote Link to comment Share on other sites More sharing options...
karthikinvesta Posted August 26, 2006 Share Posted August 26, 2006 a , insufficient ... may be 40 , 31 22 .. b , insufficent A & b combined -- x + y = 4 x-y = 2 or y-x = 2 ????????????? the digit may be + or - ve so may be E Quote Link to comment Share on other sites More sharing options...
dogood Posted August 27, 2006 Share Posted August 27, 2006 Agreed, I initially thought C - but it was my mistake Quote Link to comment Share on other sites More sharing options...
tieuphong Posted August 27, 2006 Share Posted August 27, 2006 we have both 31 and 13. so we chose E. Quote Link to comment Share on other sites More sharing options...
kk_del Posted August 27, 2006 Share Posted August 27, 2006 E it is .. Quote Link to comment Share on other sites More sharing options...
skarya Posted August 28, 2006 Share Posted August 28, 2006 2-digit number = AB statement 1: The sum of the two digits is 4 (A,B) = (4,0), (3,1), (2,2), (1,3) where A+B=4 not sufficient statement 2: The different between the two digits is 2 (A,B) = (1,3), (2,0), (3,1), (3,5),....where |A-B|=2 not sufficient statement 1&2: A-B=2 and A+B=4 => A=3, B=1 Also possible B-A=2 => A=1, B=3 not sufficient answer = E Quote Link to comment Share on other sites More sharing options...
King Kong Posted August 29, 2006 Author Share Posted August 29, 2006 Thanks guys. OA is E. Quote Link to comment Share on other sites More sharing options...
Vivek Goyal Posted August 29, 2006 Share Posted August 29, 2006 Agree with 'E' Quote Link to comment Share on other sites More sharing options...
chatru Posted August 29, 2006 Share Posted August 29, 2006 I end up with ans "C" in two minutes but realized afterward that I am wrong and the ans would be "E" Quote Link to comment Share on other sites More sharing options...
GREMAT Posted August 29, 2006 Share Posted August 29, 2006 Definitely E. The question could be a tricky one to solve in 2 min. Quote Link to comment Share on other sites More sharing options...
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