Which of the following most logically completes the argument? Researchers recently asked dozens of shoppers, chosen at random coming out of a FoodBasket supermarket, what they had purchased. The prices of the very same items at the nearest ShopperKing supermarket were totaled and compared...

Which of the following most logically completes the argument below?The expansion of large-scale farming in Africa and Asia has destroyed much of the natural vegetation on which elephants have historically depended, forcing them to turn to cultivated land to satisfy their enormous appetites...

In 1983 Argonia’s currency, the argon, underwent a reduction in value relative to the world’s strongest currencies. This reduction resulted in a significant increase in Argonia’s exports over 1982 levels. In 1987 a similar reduction in the value of the argon led to another increase i...

Healthy lungs produce a natural antibiotic that protects them from infection by routinely killing harmful bacteria on airway surfaces. People with cystic fibroses, however, are unable to fight off such bacteria, even though their lungs produce normal amounts of the antibiotic. Since the fl...

which of the following most logically completes the argument below? According to promotional material published by the city of Springfield, more tourists stay in hotels in Springfield than stay in the neighboring city of Harristown. A brochure from the largest hotel in Harristown claims th...

A portion of an automobile test track is divided into Segment A, Segment B, and Segment C, in that order. In a performance test on a car, the car traveled Segment A at a constant speed of 14...

If |d - 9|= 2d, then d =

​【OG19-P154-55题】If S=1+122 +132 +142 +152 +162 +172 +182 +192 +1102  ,which of the following is true?

【OG19-P276-290题】The 10 students in a history class recently took an examination. What was the maximum score on the examination?(1)The mean of the scores was 75 .(2)The standard deviati...

【OG19-P271-238题】Each of the 256 solid-colored marbles in a box is either blue, green, or purple .  What is the ratio of the number of blue marbles to the number of purple mar...

【OG19-P160-94题】Which of the following fractions is closest to 12  ​ ?

​【OG19-P158-80题】Greg assembles units of a certain product at a factory . Each day he is paid  $2.00 per unit for the first 40 units that he assembles and $2.50 for each addition...

【OG19-P156-70题】A small business invests $9,900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and is sold for $1.20. How many units of  the pro...

 【OG19-P152-46题】If X is a positive integer and  ​ 4x−3=y ​,   which of following CANNOT be a value of y?

​【OG19-P152-41题】A bicycle store purchased two bicycles, one for $250 and the other for $375, and sold both bicycles at a total gross profit of $250. If the store sold one of the...