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GMAT Prep Test 2 DS 3
Source: Beat The GMAT — Data Sufficiency |
if we rewrite the expression it will be 3^4n *3^2 + m = 9*81^n + m...So the remainder when this number be divided by 10 will be the units digit. In this case the unit digit will be 9*1^n + m = 9+m...So it is now obvious tht only Stmt 2 is needed to solve the pblm.....Ans is B
Trying hard!!!
