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15 welders work at a constant rate they complete an order

15 welders work at a constant rate they complete an order in 3 days. If after the first day, 9 welders start to work on the other project, how many more days the remaining welders will need to complete...

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Two hours after X leaves college, Y leaves his home

Two hours after X leaves college, Y leaves his home to intercept him. If Y travels twice as fast as X, how long will it take Y to meet X? (1) X's college is 50 miles due north of Y’s home (2) Y’s rate...

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Meaning of the sentence

3 “goes into” 12 evenly Hi, Does the above statement is meant to convey that the quotient is even ? or is it meant to convey that the remainder is 0? I am particularly concerned with the word "evenly"....

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If Danielle ran a race at a constant speed, at what time did

If Danielle ran a race at a constant speed, at what time did she finish? (1) Danielle started the race at 8:00 a.m. (2) At 9:30 a.m. Danielle was halfway through the race, and at 10:00 a.m., she was...

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In the equation y2 + ay - 24 = 0, a is a constant and y is a

In the equation y^2 + ay - 24 = 0, a is a constant and y is a variable. What is the value of a ? (1) y + 8 is a factor of y^2 + ay - 24 (2) 3 is a root of the equation y^2 + ay - 24 = 0

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If a regular hexagon is inscribed in a circle with a radius

Attachment:screen_shot_2010_12_23_at_3.41.13_pm.pngIf a regular hexagon is inscribed in a circle with a radius of 4, the area of the hexagon is A. 12 root 3 B. 8 pi C. 18 root 2 D. 24 root 3 E. 48

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20 marbles were pulled out of a bag of only white marbles, p

20 marbles were pulled out of a bag of only white marbles, painted black, and then put back in. Then, another 20 marbles were pulled out, of which 1 was black, afterwhich they were all returned to the...

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Is x negative?

Is x negative? (1) x^2 is a positive number (2) x * |y| is not a positive number

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What is the value of a+b ?

What is the value of a+b ? is a,b and c are integers. (1) 3a5b =225^c (2) 9a5^4-2b = 15^c I struggled quite a bit with this question. I dont know the solution or OA

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Jessica has a limited investment portfolio of stocks and bon

Jessica has a limited investment portfolio of stocks and bonds. If she sells half her stocks, how many stocks and bonds will she be left with? (1) If she were to buy six more stocks, she would have...

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If the rectangular screen of a computer monitor is designed

If the rectangular screen of a computer monitor is designed to have a length of x inches, a perimeter of P inches and an area of A square inches, which of these equations must be true? A x^2 + Px + A =...

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Is n an integer?

This topic have been merged with: http://gmatclub.com/forum/topic-130390.html

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Bill plans a profit of 10% on the selling prices of an artic

Bill plans a profit of 10% on the selling prices of an article. If his expenses, excluding the cost of article, are 15% of sales, what should his rate of mark up on the costs be? A. 20% B. 25% C. 30%...

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k is a positive integer. Is k a prime number?

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The output of a factory was increased by 10% to keep

This topic have been merged with: http://gmatclub.com/forum/topic-138775.html

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Is square root of a positive integer x an integer?

Is square root of a positive integer x an integer? (1) The sum of distinct factors of x is odd (2) x has an odd number of distinct factor

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700+ A rectangular garden, bordered by a walkway consisting

The diagram above shows a rectangular garden, bordered by a walkway consisting of white and gray rectangles. If all four of the gray rectangles have the same dimensions, and the garden measures 20 by...

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Is x^2 < x - |y|?

Is x^2 < x - |y|? (1) y > x (2) x < 0

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In the diagram above, angle measures in degrees are marked

Attachment:two triangles on a line.JPGIn the diagram above, angle measures in degrees are marked as shown, and segment BC is parallel to line AD. What is the measure of angle E? (A) 30° (B) 35° (C) 40°...

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Gone over material now what?

400 official quant questions from Official Guide 230 official quant questions from GMAT Prep book 300 questions from Total GMAT Math (redo) 6 Manhattan prep tests (redo) 2 official GMAT prep tests...

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