GMAT Question of the Day : Data Sufficiency

DS math gmat

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 1.29? square feet

A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.

B) Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.

C) Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.

D) Each statement alone is sufficient to answer the question.

E) Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

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16 Comments Post a Comment
  1. V Pat says:

    A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.

  2. JR says:

    Ans: A

  3. schinni says:

    Ans: A

  4. Syed Ahsan says:

    a

  5. deepak says:

    I will go with option A

  6. Pratik says:

    Ans is A Undoubtedly

  7. Amit says:

    True. A.

  8. Manvir says:

    Yes it should be A

  9. Dharm says:

    OPtion A

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