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