GMAT Data Sufficiency
Home > GMAT Test > GMAT Data Sufficiency Questions
Next steps
- Use your browser's back button to return to your test results.
- Do more GMAT Data Sufficiency Questions.
Source: OG11th
Level: 3
The figure above shows the circular cross section of a concrete water pipe. If the inside radius of the pipe is r feet and the outside radius of the pipe is t feet, what is the value of r ?
(1)The ratio of t - r to r is 0.15 and t - r is equal to 0.3 foot.
(2)The area of the concrete in the cross section is 1.29π square feet.
- 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 statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- D EACH statement ALONE is sufficient.
- E Statements (1) and (2) TOGETHER are NOT sufficient.