IN english language where
A OR B MEANS EITHER A OR B BUT NOT BOTH
BUT IN COMPUTER SCIENCE
A OR B MEANS EITHER A OR B THAT IS if one of the two or both of them are true,then statement is true;
although am not also sure;
moreover solution is of madeeasy , we cant rely on that too blindly.
lets see what others say!! till then wait and consider 57 as correct answer!!