## Kevin Langdon Omni IQ test

Q35

## What is the
maximum number of cubes that can be piled on the squares of a five-by-five
square board, with the side of each square equal to that of each cube and
with no square piled more than three cubes high such that all cubes are
visible?

# A.
62 B. 63 C. 66 D.
68 E. 69