Five
girls swim in a race（比赛）. Judith can beat（战胜）Beverly but is slower than Margaret. Denise
is faster than Judith but has never beaten（战胜）Susie.
Which girl should come the fourth?
Letter A,
B and C stand for（代表）three different numbers. If you
add（加）A to B, you get 195. If you add B
to C, you get 188. The sum（和）of
A and C is 193. Now do you know what number each of the three letters stands
for?
A big
American and a little American are in a car. The little American in the car is
the big American's son, but the big American is not the little American's
father. Who is the big American?
