## Problem Solving

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OFFICIAL GUIDE QUESTION LIBRARY
by beatthegmat »
Join the discussion as you work through your Official Guide and gain...
2
Last post by gentvenus
Wed Sep 09, 2020 12:49 pm
Sixty-eight people are sitting in 20 cars and each car contains at most 4 people. What is the maximum possible number of
by AAPL »
Magoosh Sixty-eight people are sitting in 20 cars and each car...
0
Last post by AAPL
Thu Jun 17, 2021 10:18 am
Percent And Interest Problems
by swerve »
To determine her state income tax last year, Elena computed 5 percent...
0
Last post by swerve
Thu Jun 17, 2021 7:03 am
Work/Rate Problems
by swerve »
A small water pump would take 2 hours to fill an empty tank. A larger...
0
Last post by swerve
Thu Jun 17, 2021 6:55 am
Health insurance Plan A requires the insured to pay $1000 or 50% of total cost, whichever is lower. Plan B requires by BTGmoderatorLU » Source: Manhattan Prep Health insurance Plan A requires the insured... 1 Last post by [email protected] Thu Jun 17, 2021 5:14 am Que: A set is such that if m is in the set, $$m+3$$ is also in the set. If ... by [email protected] Revolution » Que: A set is such that if m is in the set, $$m+3$$ is also in the... 0 Last post by [email protected] Revolution Wed Jun 16, 2021 8:04 pm Que: A ball thrown up in the air is at a height of h feet, t seconds after it was thrown, where..... by [email protected] Revolution » Que: A ball thrown up in the air is at a height of h feet, t seconds... 1 Last post by [email protected] Revolution Wed Jun 16, 2021 7:54 pm Que: Heights of trees in a large population have a distribution that is symmetric about............. by [email protected] Revolution » Que: Heights of trees in a large population have a distribution that... 1 Last post by [email protected] Revolution Wed Jun 16, 2021 7:44 pm A fair die is rolled once and a fair coin is flipped once. What is the probability that either the die will land on 3 by BTGmoderatorLU » Source: Manhattan Prep A fair die is rolled once and a fair coin is... 0 Last post by BTGmoderatorLU Wed Jun 16, 2021 6:50 pm OG A worker carries jugs of liquid soap by AbeNeedsAnswers » A worker carries jugs of liquid soap from a production line to a... 3 Last post by [email protected] Wed Jun 16, 2021 3:37 pm If set R contains the consecutive integers from -5 to -1, what is the mean of set R? by BTGmoderatorDC » If set R contains the consecutive integers from -5 to -1, what is the... 0 Last post by BTGmoderatorDC Wed Jun 16, 2021 3:14 pm In a certain lottery drawing, five balls are selected from a tumbler in which each ball is printed with a different two by M7MBA » In a certain lottery drawing, five balls are selected from a tumbler... 1 Last post by regor60 Wed Jun 16, 2021 6:36 am Data sufficiency by Newaz111 » A certain dealership has a number of cars to be sold by its... 3 Last post by [email protected] Wed Jun 16, 2021 4:05 am GMAT prep auto repair problem by subhasis8877 » Please refer to the question attached 2 Last post by autoscratch Wed Jun 16, 2021 12:07 am There are 19 integers between, and including, n^2 and n^3. If n is a positive integer, how many integers are there by AAPL » E-GMAT There are 19 integers between, and including, n^2 and n^3. If... 0 Last post by AAPL Tue Jun 15, 2021 4:47 pm A, B, and C are three distinct single-digit positive numbers. If the units digit of A^2, B^2 and C^2 are distinct by AAPL » E-GMAT A, B, and C are three distinct single-digit positive numbers.... 0 Last post by AAPL Tue Jun 15, 2021 4:42 pm In the figure below, a square is inscribed in a circle. If the area of the square region is 16, what is the area of the by BTGmoderatorDC » square-in-circle.png In the figure below, a square is inscribed in a... 1 Last post by swerve Tue Jun 15, 2021 8:27 am An office has 6 employees; there are 5 female employees and 1 male employee. In how many ways can a 3-person by BTGmoderatorLU » Source: Magoosh An office has 6 employees; there are 5 female... 1 Last post by [email protected] Tue Jun 15, 2021 7:07 am Que: If the speed limit along a 30-mile section of rail track is reduced from........... by [email protected] Revolution » Que: If the speed limit along a 30-mile section of rail track is... 1 Last post by [email protected] Revolution Mon Jun 14, 2021 9:35 pm Que: 40, 50, 60, 70, 80, 90, 100, 110, 120, 130 The list above shows...... by [email protected] Revolution » Que: 40, 50, 60, 70, 80, 90, 100, 110, 120, 130 The list above shows... 1 Last post by [email protected] Revolution Mon Jun 14, 2021 9:30 pm How many integers from 1 to 900 inclusive have exactly 3 positive divisors? by BTGmoderatorLU » Source: Magoosh How many integers from 1 to 900 inclusive have... 0 Last post by BTGmoderatorLU Mon Jun 14, 2021 3:27 pm The function f is defined by $$f(x)=\sqrt{x}-10$$ for all positive numbers x. If u=f(t) for some positive numbers t and by AAPL » Official Guide The function f is defined by $$f(x)=\sqrt{x}-10$$ for... 1 Last post by [email protected] Mon Jun 14, 2021 8:29 am How many even divisors of 1600 are not multiples of 16? by Gmat_mission » How many even divisors of 1600 are not multiples of 16? (A) 4 (B) 6... 1 Last post by Ian Stewart Mon Jun 14, 2021 4:09 am At the Zamenhof Language School, at least 70% of the students take English each year, at least 40% take... by BTGmoderatorLU » Source: Magoosh At the Zamenhof Language School, at least 70% of the... 4 Last post by JeffThorsen777 Sun Jun 13, 2021 9:52 pm Que: A juice manufacturer has 2,000 liters of mango pulp in stock, 40 percent of which is water..... by [email protected] Revolution » Que: A juice manufacturer has 2,000 liters of mango pulp in stock,... 1 Last post by [email protected] Revolution Sun Jun 13, 2021 9:19 pm Que: Box P and Box Q each contain many red balls and white balls..... by [email protected] Revolution » Que: Box P and Box Q each contain many red balls and white balls.... 1 Last post by [email protected] Revolution Sun Jun 13, 2021 9:03 pm Helen mixes a first solution, 4 liters of 40% concentrated sulfuric acid solution, with a second solution, 5 liters of a by BTGmoderatorDC » Helen mixes a first solution, 4 liters of 40% concentrated sulfuric... 1 Last post by [email protected] Sun Jun 13, 2021 4:17 pm Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. Child A has to sit next to both B by M7MBA » Seven children - A, B, C, D, E, F, and G - are going to sit in seven... 1 Last post by [email protected] Sun Jun 13, 2021 4:15 pm A three-digit positive integer is chosen at random. What is the probability that the product of its digits is even? by Gmat_mission » A three-digit positive integer is chosen at random. What is the... 1 Last post by Ian Stewart Sun Jun 13, 2021 2:03 pm If a convex polygon has 88 more diagonals than sides, how many vertices does it have? by Gmat_mission » If a convex polygon has 88 more diagonals than sides, how many... 0 Last post by Gmat_mission Sun Jun 13, 2021 9:57 am At a certain industrial manufacturer, an open tank contains 6% fluorine dissolved in water. If the tank holds 1000 gallo by Gmat_mission » At a certain industrial manufacturer, an open tank contains 6%... 0 Last post by Gmat_mission Sun Jun 13, 2021 9:48 am For which of the following functions does $$f(-x)=-f(x)$$ for all real number values of $$x?$$ by Gmat_mission » For which of the following functions does $$f(-x)=-f(x)$$ for all... 0 Last post by Gmat_mission Sun Jun 13, 2021 9:44 am A survey was sent to 80 customers, 7 of whom responded. Then the survey was redesigned and sent to another 63 customers, by M7MBA » A survey was sent to 80 customers, 7 of whom responded. Then the... 0 Last post by M7MBA Sun Jun 13, 2021 9:38 am If $$\left(\dfrac54\right)^{-n} < 16^{-1},$$ what is the least integer value of $$n?$$ by M7MBA » If $$\left(\dfrac54\right)^{-n} < 16^{-1},$$ what is the least... 0 Last post by M7MBA Sun Jun 13, 2021 9:33 am If $$m$$ is the square of integer $$n$$ and $$m$$ is divisible by $$98, m$$ must also be divisible by: by M7MBA » If $$m$$ is the square of integer $$n$$ and $$m$$ is divisible by... 0 Last post by M7MBA Sun Jun 13, 2021 9:13 am What is the probability of getting a number on the first throw greater than that on the second throw when a dice is by M7MBA » What is the probability of getting a number on the first throw... 0 Last post by M7MBA Sun Jun 13, 2021 9:03 am If $$b \ne 0,$$ and $$1 - \dfrac{a}{b} > 3,$$ which of the following must be true? by M7MBA » If $$b \ne 0,$$ and $$1 - \dfrac{a}{b} > 3,$$ which of the... 0 Last post by M7MBA Sun Jun 13, 2021 8:54 am How many 3 digit numbers can we make such that two of the digits are the same and non of the digits equal zero? by M7MBA » How many 3 digit numbers can we make such that two of the digits are... 0 Last post by M7MBA Sun Jun 13, 2021 8:37 am On January $$1, 2010,$$ Dave invests $$70\%$$ of his retirement savings in Antarctic large-cap stocks, $$20\%$$ in by M7MBA » On January $$1, 2010,$$ Dave invests $$70\%$$ of his retirement... 0 Last post by M7MBA Sun Jun 13, 2021 8:33 am 256 teams play in a state soccer tournament. A team is eliminated from the tournament after one loss. In the first round by M7MBA » 256 teams play in a state soccer tournament. A team is eliminated... 0 Last post by M7MBA Sun Jun 13, 2021 8:25 am The width of a rectangle $$w$$ is twice the length of the rectangle. Which of the following equals the area of the recta by M7MBA » The width of a rectangle $$w$$ is twice the length of the rectangle.... 0 Last post by M7MBA Sun Jun 13, 2021 8:11 am Que: A merchant bought 1,000 fans for$15 each. He sold 40 percent...........
by [email protected] Revolution »
Que: A merchant bought 1,000 fans for \$15 each. He sold 40 percent...
1
Last post by [email protected] Revolution
Sat Jun 12, 2021 8:33 pm
Artificial intelligence computer HAL $$9000$$ randomly picks three distinct integers from between $$1$$ and $$9000$$
by VJesus12 »
Artificial intelligence computer HAL $$9000$$ randomly picks three...
1
Last post by Ian Stewart
Sat Jun 12, 2021 4:26 pm
If $$N$$ is the product of all integers from $$1$$ to $$100,$$ both inclusive, then what is the remainder when
by M7MBA »
If $$N$$ is the product of all integers from $$1$$ to $$100,$$ both...
1
Last post by Ian Stewart
Sat Jun 12, 2021 3:43 pm
A person purchased a total of $$2t + 1$$ tickets. Some of the tickets cost $$\4$$ each and the remaining tickets cost
by M7MBA »
A person purchased a total of $$2t + 1$$ tickets. Some of the tickets...
1
Last post by [email protected]
Sat Jun 12, 2021 1:15 pm
The surface of a mirror is composed of a rectangular piece that is 9 feet long and two semicurcilar pieces whose
by BTGmoderatorLU »
Source: GMAT Prep image.PNG The surface of a mirror is composed of a...
0
Last post by BTGmoderatorLU
Sat Jun 12, 2021 7:53 am
In the sequence above, each term after the first is 1/2 of the preceding term. What is the least term of the sequence
by BTGmoderatorLU »
Source: GMAT Prep 240, 120, 60, 30 In the sequence above, each term...
0
Last post by BTGmoderatorLU
Sat Jun 12, 2021 7:44 am
Machine $$A$$ can produce $$50$$ components a day while machine $$B$$ only $$40.$$ The monthly maintenance cost for mach
by VJesus12 »
Machine $$A$$ can produce $$50$$ components a day while machine $$B$$...
0
Last post by VJesus12
Sat Jun 12, 2021 5:26 am
A rectangle is inscribed in a circle of diameter 2. Which of the following can be the area of the rectangle?
by VJesus12 »
A rectangle is inscribed in a circle of diameter 2. Which of the...
0
Last post by VJesus12
Sat Jun 12, 2021 5:22 am
A jar full of whisky contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now
by VJesus12 »
A jar full of whisky contains 40% alcohol. A part of this whisky is...
0
Last post by VJesus12
Sat Jun 12, 2021 5:18 am
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