Week of 1/30
For
Ans:

Week of 11/14:
If each letter in the following equations represents a number from 1 to 9,
determine what number each letter represents.  Each of your answers must
include A, B, C, and D and work for all three equations simultaneously:
A+A+B+C=13
A+B+C+D=14
B+B+C+D=13
Ans:

Week of 11/7:
Find which one is the odd one out
URN
URA
ARS
RTH
TER
NUS
Hint:  It has nothing to do with vowels.
Ans: URA


Week of 10/3, 10/10 and 10/17 (no one turned in during 10/3 and 10/10):
Find what the missing number should be
7        3                8        8                5        0                6        ?
6        3                4        2                6        4                9        5
Ans: 0

Week of 9/19:
A cube is made of a white material, but the exterior is painted black.  If the
cube is cut into 125 smaller cubes of exactly the same size, how many of the
cubes will have at least 2 of their sides painted black?
Ans:  44

Week of 9/12:
Fill in the empty boxes with prime numbers (you cannot use numbers more
than once) so that every horizontal, vertical, and corner-to-corner row equals
the same number.
Ans:  Row 1 (Left to Right):  43, 67, 209 Row 2 (L to R): 139, 73, 7 Row 3 (L to
R):  37, 79, 103

Week of 8/29:
Find the next number in the list
1
11
21
1211
111221
312211
13112221
1113213211

GPS Algebra Question:  What is the next number in the sequence?
31131211131221
Calculus Question:  Why will a 4 never appear in the sequence? there will
never be 4 numbers in a previous row
Previous Problems of the Week