If the number 5 * 2 is divisible by 6, then * = ? Choose the correct answer.
A) 8  B) 6  C) 2  D) 1  E) 5
C   2   6 = 3 x 2. Clearly, 5 * 2 is divisible by 2. Replace * by x.   Then, (5 + x + 2) must be divisible by 3. So, x = 2.
<result>C</result>
If the number 5 * 2 is divisible by 6, then * = ?