GMAT Question of the Day (February 21): Probability and Critical Reasoning

By - Feb 21, 02:00 AM Comments [2]

Math (PS)

During the break of a football match the coach will make 3 substitutions. If the team consists of 11 players among which there are 2 forwards, what is the probability that none of the forwards will be substituted?

(A) \frac{21}{55}
(B) \frac{18}{44}
(C) \frac{28}{55}
(D) \frac{28}{44}
(E) \frac{36}{55}

Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)

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Verbal (CR)

Advertisement: The world’s best coffee beans come from Colombia. The more Colombian beans in a blend of coffee, the better the blend, and no company purchases more Colombian beans than Kreemo Coffee. Inc. So it only stands to reason that if you buy a can of Kreemo’s coffee, you’re buying the best blended coffee available today.

The reasoning of the argument in the advertisement is flawed because it overlooks the possibility that

(A) the equipment used by Kreemo to blend and package its coffee is no different from that used by most other coffee producers
(B) not all of Kreemo’s competitors use Colombian coffee beans in the blends of coffee they sell
(C) Kreemo sells more coffee than does any other company
(D) Kreemo’s coffee is the most expensive blended coffee available today
(E) the best unblended coffee is better than the best blended coffee

Question Discussion & Explanation
Correct Answer - C - (click and drag your mouse to see the answer)

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[2] Comments to this Article

  1. Mohamed Sellamia February 27, 12:50 PM

    3C9/3C11 = 28/55

    Reply

  2. Mohamed Sellamia July 15, 10:15 AM

    C.
    3C9/3C11 = 28/55

    Reply