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The three digits of a number add up to 11. The number is div
The three digits of a number add up to 11. The number is divisible by 5. The leftmost digit is double the middle digit. What is the product of the three digits?A. 40B. 72C. 78D. 88E. 125
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If a, b, and c are consecutive positive odd integers, not ne
If a, b, and c are consecutive positive odd integers, not necessarily in that order, which of the following must be true?I. a + b > cII. bc > aIII. (a + c)^2 > bA. I onlyB. II onlyC. III...
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An empty fuel tank is filled with brand Z gasoline. When the
An empty fuel tank is filled with brand Z gasoline. When the tank is half empty, it is filled with brand Y gasoline. Whenthe tank is half empty again, it is filled with brand Z gasoline. When the tank...
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One of the questions in MGMAT test-confused with the answer
This topic have been merged with: http://gmatclub.com/forum/topic-144553.html
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If k is an integer, is 2^k + 3^k = m ?
If k is an integer, is 2^k + 3^k = m ?(1) 4^k + 9^k = m^2 - 12(2) k = 1I don't agree with the OA. If we use statements 1 and 2 together, we get this:We replace the value of k in the original question,...
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In a forest 150 deer were caught, tagged with electronic mar
In a forest 150 deer were caught, tagged with electronic markers, then released. A week later, 50 deer were captured in the same forest. Of these 50 deer, it was found that 5 had been tagged with the...
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The figure above shows the shape of a flowerbed. If arcs WZ
Attachment:llllllllllll.pngThe figure above shows the shape of a flowerbed. If arcs WZ and XY are semicircles and WXYZ is a square, what is the area of the flowerbed?(1) The perimeter of square WXYZ is...
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Is the triangle depicted above isosceles?
Attachment:isosceles.pngIs the triangle depicted above isosceles? (Figure not necessarily drawn to scale.)(1) 180 (a + c) = 60(2) a = 2b c
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A CEO is building an extra-wide garage in which to park his
A CEO is building an extra-wide garage in which to park his limousines. The garage is x feet wide, and at least 2 feet of space is required between each two cars and between the cars and the walls....
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The table above shows the one-way driving distance, in miles
Attachment:tab.pngThe table above shows the one-way driving distance, in miles, between four cities: P, Q, R, and S. For example, the distance between P and Q is 144 miles. If the round trip between S...
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A circle graph shows how the MegaTech corporation allocates
A circle graph shows how the MegaTech corporation allocates its Research and Development budget: 14% microphotonics; 24% home electronics; 15% food additives; 29% genetically modified microorganisms;...
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An engineer designed a ball so that when it was dropped, it
An engineer designed a ball so that when it was dropped, it rose with each bounce exactly one-half as high as it had fallen. The engineer dropped the ball from a 16-meter platform and caught it after...
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Two cyclists are racing up a mountain at different constant
Two cyclists are racing up a mountain at different constant rates. Cyclist A is now 50 meters ahead of cyclist B. How many minutes from now will cyclist A be 150 meters ahead of cyclist B?(1) 5 minutes...
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The figure above shows the shape of a brick patio. If arc AB
Attachment:brick.pngThe figure above shows the shape of a brick patio. If arc AB is a semicircle and ABCD is a square, what is the perimeter of the patio?(1) The radius of the semicircle described by...
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Sam is training for the marathon. He drove 12 miles from his
Sam is training for the marathon. He drove 12 miles from his home to the Grey Hills Park and then ran 6 miles to Red Rock, retraced his path back for 2 miles, and then ran 3 miles to Rock Creek. If he...
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The incomplete table above shows a distribution of scores fo
Attachment:incomplete.pngThe incomplete table above shows a distribution of scores for a class of 25 students. If the average (arithmetic mean) score for the class is 83, what score is missing from the...
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Division by zero
Sorry this might sound stupid but I have a question regarding division by zero.I know division by zero is undefined.For ex, In DS questions, if its given that x/y > 0. Can we assume that y is not...
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If Δ and ∅ represent single digits in the correctly worked c
Attachment:rrrrrrrr.pngIf and represent single digits in the correctly worked computation above, what is the value of times ?A. 6B. 10C. 12D. 15E. 18
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To be considered grade AA, an egg must weigh between 75 and
To be considered grade AA, an egg must weigh between 75 and 90 grams, including the shell. Shells of grade AA eggs weigh between 3 and 5 grams. What is the smallest possible mass, in grams, of a 12-egg...
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