Welcome to **AMBiPi (Amans Maths Blogs)**. SAT (Scholastic Assessment Test) is a standard test, used for taking admission to undergraduate programs of universities or colleges of the United States. In this article, you will get **Kaplan SAT Classes Course Book Review & Math Practice test 15.**

### Kaplan SAT Classes Course Book Review & Math Practice test 15

**SAT Math Practice Online Test Question No 1:**

If 2y – c = 3c, then y =

**Option A**: c/2

**Option B**: c

**Option C**: 3c/2

**Option D**: 2c

**Show/Hide Answer Key**

**Option D: 2c**

**SAT Math Practice Online Test Question No 2:**

Let &x be defined as x + 3 if x is prime, and as 2x if x is composite. Which of the following would produce a result of 18?

I. &15

II. &9

III. &36

**Option A**: I only

**Option B**: II only

**Option C**: III only

**Option D**: both I and II

**Show/Hide Answer Key**

**Option B: II only**

**SAT Math Practice Online Test Question No 3:**

A number, n, is defined as a “tweener” if both n – 1 and n + 1 are prime. Which of the following numbers is a tweener?

**Option A**: 2

**Option B**: 8

**Option C**: 30

**Option D**: 36

**Show/Hide Answer Key**

**Option C: 30**

**SAT Math Practice Online Test Question No 4:**

Set S contains the numbers 20 to 40, inclusive. If a number is chosen at random from S, what is the probability that this number is even?

**Option A**: 10/20

**Option B**: 11/20

**Option C**: 10/21

**Option D**: 11/21

**Show/Hide Answer Key**

**Option D: 11/21**

**SAT Math Practice Online Test Question No 5:**

Melvin, Chris, Enoch, Dave, Carey, Mike, Dan, and Peter are choosing dorm rooms for college. Each room holds four people. They have the following requirements:

I.Mike and Melvin refuse to live together.

II.Enoch will live with Chris or Carey (or possibly both).

III.If Dave and Dan live together, Peter will live with them.

When rooms are chosen, Melvin, Carey, and Dan live together. Which of the following groups must live in the other room?

**Option A**: Chris, Dave, and Mike

**Option B**: Chris, Mike, and Peter

**Option C**: Dave, Enoch, and Peter

**Option D**: Dave, Mike, and Peter

**Show/Hide Answer Key**

**Option A: Chris, Dave, and Mike**

**SAT Math Practice Online Test Question No 6:**

A train leaves the station at 10:45 p.m. and arrives at its destination at 2 a.m. the next day (without changing time zones). The train was stopped for 1/2 hour while it had engine trouble; the rest of the time, its average speed was 80 miles per hour. What total distance did the train travel?

**Option A**: 120 miles

**Option B**: 140 miles

**Option C**: 220 miles

**Option D**: 240 miles

**Show/Hide Answer Key**

**Option C: 220 miles**

**SAT Math Practice Online Test Question No 7:**

Which of the following numbers is the smallest?

**Option A**: π

**Option B**: 31/7

**Option C**: 3.14

**Option D**:

**Show/Hide Answer Key**

**Option C: 3.14**

**SAT Math Practice Online Test Question No 8:**

Find the perimeter of a square whose diagonal has length m.

**Option A**: 6 m

**Option B**: m

**Option C**: 24 m

**Option D**: m

**Show/Hide Answer Key**

**Option C: 24 m**

**SAT Math Practice Online Test Question No 9:**

If j2 > j, and j3 > j, but j2 > j3, then which of the following must be true?

**Option A**: j < -1

**Option B**: -1 < j < 0

**Option C**: 0 < j < 1

**Option D**: 1 < j < 2

**Show/Hide Answer Key**

**Option B: -1 < j < 0**

**SAT Math Practice Online Test Question No 10:**

In a list of consecutive odd integers, the second number can be represented by x. The first number in the list could be represented by

**Option A**: x – 3

**Option B**: x – 2

**Option C**: x – 1

**Option D**: x + 1

**Show/Hide Answer Key**

**Option B: x – 2**