Page 58 - NUMINO Challenge_C2

Problem solving

1 Only one of the three boxes: A, B, or C, contains Key Points
the gold coins. Each box has something written
Assume that each
on it. box contains the
gold coins and find
A B C the case in which
only one statement
The gold coins The gold coins The gold coins is true.
are not are not are not
in box A.
in this box. in this box.

If only one statement on a box is true, which box

contains the gold coins?

2 One of the students: David, Susan, Jeff, or Assume that each
Grace, scored 100 points for a math test. If only student scored 100
one of the students was telling the truth, which points, and find the
student scored 100 points for the math test? case in which only
one student was
telling the truth.

David: Susan scored 100 points.
Susan: Grace scored 100 points.
Jeff: I did not score 100 points.
Grace: Susan was not telling the truth.

55Words and Logic