Friday GMAT Quizzing 4- Quantitative Aptitude

This week’s questions are prepared by us. Click the correct answers! For detailed solutions, please visit our GMAT Quant Forum.

1. The table above shows the total number of boys in a college and the total number of students of that college visiting Total Gadha. What is the total number of students in the college?

  1. In this college, the number of girls visiting Total Gadha are twice the number of boys not visiting TotalGadha.
  2. The number of girls in the college are twice the number of students not visiting Total Gadha in the college.






2. Let P = 0.634, Q = P^2 and R = sqrt(P). Then,






3. Two circles, with centers at B and C, touch internally at A. A-B-C-D-E is the diameter of the larger circle. What is the area of the shaded region? (1)    BC = 1, CD = 3 (2)    CD = 2, DE = 5






4. While shopping at the grocery store, Dagny received 1 candy bar free on the purchase of 3 candy bars and 1 soap free on the purchase of 4 soaps. What was her total percentage discount? (1)    price of one soap = $6 (2)    price of one soap is equal to thrice that of a candybar






5. There are 11 women and 9 men in a certain club.  If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?








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This entry was written by Dagny, posted on May 1, 2009 at 4:23 pm, filed under Free GMAT Quizzes and tagged , , , , . Bookmark the permalink. Follow any comments here with the RSS feed for this post. Post a comment or leave a trackback: Trackback URL.

6 Comments

  1. Rajesh
    Posted May 4, 2009 at 4:28 pm | Permalink

    can u pls explain the answer for 3rd question?
    3. Two circles, with centers at B and C, touch internally at A. A-B-C-D-E is the diameter of the larger circle. What is the area of the shaded region? (1) BC = 1, CD = 3 (2) CD = 2, DE = 5
    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.

  2. Total Gadha
    Posted May 4, 2009 at 7:31 pm | Permalink

    Hi Rajesh,

    Let the bigger radius be R and the smaller radius be r. Therefore, BC = R - r, CD = 2r - R and DE = 2R - 2r
    From (1) R - r = 1, and 2r - R = 3 –> r = 3 and R = 4
    From (2) 2r - R = 2 and 2R - 2r = 5 –> R - r = 2.5. adding r = 4.5 and R = 7

    Therefore both statements can answer the question alone

  3. vi
    Posted May 7, 2009 at 2:01 am | Permalink

    5. There are 11 women and 9 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?

    * A. 120
    * B. 720
    * C. 1,060
    * D. 1,520
    * E. 1980

    I have a small request for you.. I am too weak at permutations and combinations , probability. I wish to learn these topics first.Can i get any documentation (to say from scratch).I really get confused..Please help me regarding this.

  4. Dagny
    Posted May 7, 2009 at 1:11 pm | Permalink

    Hi Vi,

    Follow the link: http://totalgadha.com/mod/forum/discuss.php?d=3537

  5. Jay Kumar
    Posted May 10, 2009 at 10:35 pm | Permalink

    Hi,

    Could you please explain the solution for Q1.

    Thanks,
    Jay

  6. Dagny
    Posted May 10, 2009 at 11:09 pm | Permalink

    Hi Jay,

    We have just started our forum. You can post you question there. We’ll give you the explanation there itself.

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