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