5 Questions
| Total Attempts: 4287

This is a GMAT quantitative diagnostic test: Exam 1.

Questions and Answers

- 1.When tossed, a certain coin has an equal chance of landing on either side. If the coin is tossed 4 times, what is the probability that it will land on the same side each time?
- A.
- B.
- C.
- D.
- E.

- 2.There are 6 pairs of balls with each pair in a different color. If we select 2 from the 12 balls without replacement, what’s the probability of selecting 2 balls with the same color?
- A.
- B.
- C.
- D.
- E.

- 3.A glass was filled with 10 ounces of water, and 0.01 ounce of the water evaporated each day during a twenty-day period. What percent of the original amount of water evaporated during this period?
- A.
0.002%

- B.
0.02%

- C.
0.2%

- D.
2%

- E.
20%

- 4.If x and y are integers and x > 0, is y > 0? (1) 7x – 2y > 0 (2) -y < x
- A.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

- B.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

- C.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

- D.
EACH statement ALONE is sufficient.

- E.
Statements (1) and (2) TOGETHER are NOT sufficient.

- 5.Each week a certain salesman is made a fixed amount equal to $300 plus a commission equal to 5 percent of the amount of these sales that week over $1,000. What is the total amount the salesman was paid last week? (1) The total amount the salesman was paid last week is equal to 10 percent of the amount of these sales last week. (2) The salesman’s sales last week total $5,000.
- A.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

- B.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

- C.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

- D.
EACH statement ALONE is sufficient.

- E.
Statements (1) and (2) TOGETHER are NOT sufficient.