麻烦做一道gmat数学题ifsandtarepositiveintegerssuchthats/t=64.12,whichofthefollowingcouldbetheremainderwhensisdividedbya)2b)4c)8d)20e)45

Question

麻烦做一道gmat数学题
if s and t are positive integers such that s/t=64.12,which of the following could be the remainder when s is divided by
a)2 b)4 c)8 d)20 e)45

Answer 1

e
余数部分应该=0.12t,在2,4,8,20,45中,只有45/0.12=整数375