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Re: A shipping company has four empty trucks that will head out in the morning, all four to the same destination. The cl

Magoosh A shipping company has four empty trucks that will head out in the morning, all four to the same destination. The clerk has four different boxes to ship to that same destination. All four boxes could go on any one of the trucks, or the boxes could be split up into any groupings and given to...


Re: How many liters of a solution that is 15 percent salt must be added to 5 liters of a solution that is 8 percent salt

How many liters of a solution that is 15 percent salt must be added to 5 liters of a solution that is 8 percent salt so that the resulting solution is 10 percent salt? A. 1 B. 1.5 C. 2 D. 2.5 E. 3 Answer: C Source: official guide Solution: We see that currently there are 5 x 0.08 = 0.4 liters of sa...


Re: Of 200 people surveyed, 80 percent own a cellular phone and 45 percent own a pager. If all 200 people surveyed...

Source: GMAT Prep Of 200 people surveyed, 80 percent own a cellular phone and 45 percent own a pager. If all 200 people surveyed own a cellular phone, or a pager, or both, what percent of those surveyed either do not own a cellular phone or do not own a pager? A. 35% B. 45% C. 55% D. 65% E. 75% The...


Re: Joan is allowed to invite 3 of her friends to join her on a family camping trip. If Joan has 10 friends, in how many

Joan is allowed to invite 3 of her friends to join her on a family camping trip. If Joan has 10 friends, in how many ways can she invite 3 of them? A. 27 B. 120 C. 140 D. 360 E. 720 OA B Solution: The order in which she invites her friends is of no consequence; hence, we will use combinations inste...


Re: Sue's trail mix is 30% nuts and 70% dried fruit. Jane's trail mix is 60% nuts

Sue's trail mix is 30% nuts and 70% dried fruit. Jane's trail mix is 60% nuts and 40% chocolate chips. If the combined mixture of Sue and Jane's trails mix contains 50% nuts, what percent of the combined mixture is dried fruit? A) 16.67% B) 23.33% C) 25% D) 33.33% E) 36.67% Answer: B Solution: To s...


Re: Find the number of factors of 180 that are in the form (2k+2), where k is a positive integer.

E-GMAT Find the number of factors of 180 that are in the form (2k+2), where k is a positive integer. A. 6 B. 7 C. 11 D. 12 E. 18 OA C Solution: Since 2k + 2 is always even, we only need to deal with the even factors of 180. Furthermore, since k is a positive integer, the least value of 2k + 2 is 2(...


Re: Jane can make a handcrafted drum in 4 weeks. Zane can make a similar handcrafted drum in 6 weeks. If they both work

Jane can make a handcrafted drum in 4 weeks. Zane can make a similar handcrafted drum in 6 weeks. If they both work together, how many weeks will it take for them to produce 15 handcrafted drums? A. 30 B. 36 C. 70 D. 80 E. 150 OA B Solution: In 12 weeks, Jane can make 12/4 = 3 drums and Zane can ma...


Re: Mark has in his safe $100 and $50 notes that when added give a total of 36 notes. If the $100 notes were to be chang

Mark has in his safe $100 and $50 notes that when added give a total of 36 notes. If the $100 notes were to be changed by $50 notes and the $50 notes by $100 notes Mark would have a total of 42 notes. How many $50 notes does Mark have? A) 16 B) 18 C) 20 D) 24 E) 36 Answer: C Source: e-GMAT Solution...


Re: In the figure above, lines \(a\) and \(b\) are parallel. What is \(x?\)

Vincen wrote:
Sun Feb 14, 2021 11:55 am
gmatbusters.jpg

In the figure above, lines \(a\) and \(b\) are parallel. What is \(x?\)

A) 9
B) 18
C) 36
D) 45
E) 54

Answer: E

Solution:


We see that x = 6y and 2y + 3x = 180. Therefore, we have:

2y + 3(6y) = 180

20y = 180

y = 9

Since y = 9 and x = 6y, x = 6(9) = 54.

Answer: E


Re: If the area of a circle in square feet equals its radius in feet, then the circle's radius, in feet, is closest to

If the area of a circle in square feet equals its radius in feet, then the circle's radius, in feet, is closest to A) 0.25 B) 0.32 C) 0.45 D) 0.5 E) 0.65 Answer: B Solution: Let’s let r = the radius of the circle, in feet, and we can create the equation: πr^2 = r Dividing both sides by r (since r c...


Re: All but 4 of the counselors at a certain summer camp have a sailing certification, first aid certification, or both.

All but 4 of the counselors at a certain summer camp have a sailing certification, first aid certification, or both. If twice as many of the counselors have neither certification as having both certifications, 7 of the counselors have a sailing certification, and there are a total of 22 counselors ...


Re: Overlapping sets

Of the employees in Company X, 95% have desktop computers, 75% have both desktop and laptop, and 60% have both desktop amd PDA. At lease what percent of the employees in the company have all of the three kinds of devices. a) 33% b) 35% c) 37% d) 40% e) 60% OA after discussion. Solution: Let x be th...

by [email protected]

Tue Feb 23, 2021 3:27 pm
Forum: Problem Solving
Topic: Overlapping sets
Replies: 2
Views: 747

Re: A right circular cylinder having the radius of its base as \(2\) centimeters is filled with water up to a height of

A right circular cylinder having the radius of its base as \(2\) centimeters is filled with water up to a height of \(2\) centimeters. This water is then poured into an empty rectangular container the dimensions of whose base are \(2\pi\) by \(3\) centimeters. If the volume of water in the rectangu...


Re: In the xy-plane, triangular region S is bounded by the line

In the xy-plane, triangular region S is bounded by the lines x=0,y=0, and 3x−2y=30. Which of the following points does NOT lie inside region S? A. (1,−1) B. (2,−10) C. (3,−13) D. (5,−5) E. (8,−2) OA C Solution: We see that the triangular region is a right triangle with legs on the axes and the hypo...


Re: Distance/Rate Problems, Word Problems

Two siblings Mark and Steve start from the same point and walk in the same direction at speeds of 5 kilometres per hour and 10 kilometres per hour respectively. After walking for an hour, Mark turns around and walks back along the same path to the starting point. Mark rests for half an hour at the ...

by [email protected]

Tue Feb 23, 2021 5:39 am
Forum: Problem Solving
Topic: Distance/Rate Problems, Word Problems
Replies: 2
Views: 55