1. The sum of the product and quotient of 9 and 9 is   1   18   28   81   82   Hint Half-n-half Clue   2. If a is a positive integer, which of the following is not defined?   0 divided by a   a multiplied by 1   a multiplied by 0   a divided by 0   a divided by 1   Half-n-half Clue   3. The sum of three consecutive integers is less than 96. The maximumpossible value of the largest of the three integers is   30   31   32   33   34   Half-n-half Clue   4. Which of the following is not a prime?   43   53   63   73   83   Half-n-half Clue   5. 24 students are to be seated in rows parallel to the front of the classroom. There must be more than two rows, and more than two students in each row. If each row must have the same number of students, then the number of different arrangements possible is   4   5   6   7   8   Half-n-half Clue   6. A three-digit number has 8 as its last digit. The first digit is thrice the second digit, and the difference between the last two digits is 5. The number is   358   398   839   893   938   Half-n-half Clue   7. Which of the following is not a prime factor of 390?   2   3   5   7   13   Half-n-half Clue