Problem:
Let be the statement
"If the sum of the digits of the whole number is divisible by , then is divisible by ."
A value of which shows to be false is
Answer Choices:
A.
B.
C.
D.
E. none of these
Solution:
The statement is false if there is a whole number such that the sum of the digits of is divisible by , but itself is not divisible by . The number has these properties.