1.
| Quantity A | Quantity B |
| The number of prime numbers divisible by \(\)2\(\) | The number of prime numbers divisible by \(\)3\(\) |
2. Which one of the following equals the product of exactly two prime numbers?
(A) \(\)11*6\(\)
(B) \(\)13*22\(\)
(C) \(\)14*23\(\)
(D) \(\)17*21\(\)
(E) \(\)13*23\(\)
3. Which one of the following equals the product of the smallest prime number greater than \(\)21\(\) and the largest prime number less than \(\)16\(\)?
(A) \(\)13*16\(\)
(B) \(\)13*29\(\)
(C) \(\)13*23\(\)
(D) \(\)15*23\(\)
(E) \(\)16*21\(\)
4. If \(\)x + 3\(\) is positive, then which one of the following must be positive?
(A) \(\)x-3\(\)
(B) \(\)(x-3)(x-4)\(\)
(C) \(\)(x-3)(x + 3)\(\)
(D) \(\)(x -3)(x + 4)\(\)
(E) \(\)(x + 3)(x + 6)\(\)
5. The smallest prime number greater than \(\)48\(\) is
(A) \(\)49\(\)
(B) \(\)50\(\)
(C) \(\)51\(\)
(D) \(\)52\(\)
(E) \(\)53\(\)
6. If \(\)g\(\) is an integer and \(\)x\(\) is a prime number, which of the following must be an integer?
Indicate all such expressions.
(A) \(\)\frac { { g }^{ 2 }x+5gx }{ x }\(\)
(B) \(\){ g }^{ 2 }-{ x }^{ 2 }\left( \frac { 1 }{ 3 }\right)\(\)
(C) \(\)6\left( \frac { g }{ 2 }\right) -100{ \left(\frac { g }{ 2 }\right) }^{ 2 }=\(\)
7.
| Quantity A | Quantity B |
| The average of \(\)x\(\) and \(\)2y\(\) | \(\)4z + x-2y\(\) |
8.
| Quantity A | Quantity B |
| The least prime number greater than \(\)24\(\) | The greatest prime number less than \(\)28\(\) |
Answer:
1 C
2 E
3 C
4 E
5 E
6 A and C
7 B
8 A