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GRE Data Analysis
10 Practice Questions  
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Question 1

How much more does it cost to send a parcel weighing 16.5 pounds by express delivery than to send the same parcel by ground delivery?

(A)  $3.45
(B)  $9.00
(C)  $11.55
(D)  $15.00
(E)  $16.60

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Analysis

The correct response is (D). In addition to the top row's rate schedule, the middle row's rate schedule would be used if a parcel weighs at least two pounds and up to (but not including) exactly 11 pounds. In addition to the top and middle rows' schedules, the bottom row's rate schedule would be used if a parcel weighs at least 11 pounds. With this in mind, first determine the total cost of shipping the parcel by each of the two methods:

    ground:
    $1.50 + ($.40)(9) + ($.25)(6) = $6.60

    express:
    $6.75 + ($1.15)(9) + ($.75)(6) = $21.60

Next, compute the difference between these two amounts:

    $21.60 - $6.60 = $15.00.