Author: thephoenix Posted: Mon Feb 01, 2010 11:57 am (GMT -8) s1) 10-x=8.56—> x=1.44 original x=1.4ab5 now when x is rounded to 100th dig resultant x sud be 1.44 if x=1.4435;here a=4 and b=3 x rounded upto 100th dig will be 1.44 and if x=1.4425;whereas now a=4 and b=2 , x rounded upto 100th dig will be 1.44 hence 2 possibilities insuff s2)10-x=8.564—> x=1.436 now when x=1.4ab5 is rounded upto 1000th digit resultant x shud be 1.436 3when x=1.4355 is rounded to 1000th dig x=1.436 and here a= and b=5 when x=1.4356 is rounded to 1000th dig x=1.436 and here a= 3and b=5 when x=1.4357 is rounded to 1000th dig x=1.436 and here a= 3and b=5 when x=1.4358 is rounded to 1000th dig x=1.436 and here a= 3and b=5 when x=1.4359 is rounded to 1000th dig x=1.436 and here a= 3and b=5 hence a and b have same value and therefore suff
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Data Sufficiency :: RE: help required