## 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
Que: A quiz consists of X questions, each of which is to be answered .....
by [email protected] Revolution »
Que: A quiz consists of X questions, each of which is to be answered...
0
Last post by [email protected] Revolution
Fri Jun 18, 2021 9:32 pm
Que: In a class, 80 percent of the boys and 20 percent of the girls play basketball. If ....
by [email protected] Revolution »
Que: In a class, 80 percent of the boys and 20 percent of the girls...
1
Last post by [email protected] Revolution
Fri Jun 18, 2021 9:23 pm
Aquafame Theme Park sells two types of tickets - for water park and for fun rides. On a certain day, 40% of the total
by AAPL »
E-GMAT Aquafame Theme Park sells two types of tickets - for water...
0
Last post by AAPL
Fri Jun 18, 2021 4:18 pm
A shopkeeper bought rice at $11,$16, and $20 per kilogram. He mixes them in the ratio 2:3:5 by weight, and sells the by AAPL » E-GMAT A shopkeeper bought rice at$11, $16, and$20 per kilogram....
0
Last post by AAPL
Fri Jun 18, 2021 4:11 pm
Last month $$15$$ homes were sold in Town $$X.$$ The average (arithmetic mean) sale price of the homes was $$\150,000$$
by Vincen »
Last month $$15$$ homes were sold in Town $$X.$$ The average...
1
Last post by [email protected]
Fri Jun 18, 2021 10:47 am
If $$y$$ and $$z$$ are positive integers such that $$\dfrac{y}{2z}=123.24,$$ the remainder obtained when $$y$$ is divide
by Vincen »
If $$y$$ and $$z$$ are positive integers such that...
0
Last post by Vincen
Fri Jun 18, 2021 7:52 am
A game is played with a six-sided, regularly numbered fair die. A player starts with a number equal to $$0.1n,$$ where
by Vincen »
A game is played with a six-sided, regularly numbered fair die. A...
0
Last post by Vincen
Fri Jun 18, 2021 7:25 am
If a number is to be randomly selected from set $$A$$ above and a number is to be randomly selected from set $$B$$ above
by Vincen »
$$A = \{-10, -9, -8, -7, -6, -5, -4\}$$ $$B = \left\{-\dfrac12,... 0 Last post by Vincen Fri Jun 18, 2021 6:46 am A sphere is inscribed in a cube with an edge of \(x$$ centimeters. In terms of $$x$$ what is the shortest possible dista
by Vincen »
A sphere is inscribed in a cube with an edge of $$x$$ centimeters. In...
0
Last post by Vincen
Fri Jun 18, 2021 6:35 am
A $$2 \times 2 \times 2$$ cubic inch block of iron is melted and recast to form $$1 \times 1 \times 1$$ cubic inch block
by Vincen »
A $$2 \times 2 \times 2$$ cubic inch block of iron is melted and...
0
Last post by Vincen
Fri Jun 18, 2021 6:30 am
In a certain brick wall, each row of bricks above the bottom row contains one less brick than the row just below it. If
by Vincen »
In a certain brick wall, each row of bricks above the bottom row...
0
Last post by Vincen
Fri Jun 18, 2021 6:26 am
The variable $$x$$ takes on integer values between $$1$$ and $$7$$ inclusive as shown above. What is the probability
by Vincen »
$$\begin{array}{cc} x & \text{frequency}\\ 1 & 3\\ 2 &... 0 Last post by Vincen Fri Jun 18, 2021 6:22 am If the average (arithmetic mean) of \(5$$ positive temperatures is $$x$$ degrees Fahrenheit, then the sum of the $$3$$
by Vincen »
If the average (arithmetic mean) of $$5$$ positive temperatures is...
0
Last post by Vincen
Fri Jun 18, 2021 6:15 am
In a certain deck of cards, each card has a positive integer written on it. In a multiplication game, a child draws
by Vincen »
In a certain deck of cards, each card has a positive integer written...
0
Last post by Vincen
Fri Jun 18, 2021 6:11 am
What is the value of $$\sqrt{17}+\sqrt{47},$$ to the nearest whole number?
by Vincen »
What is the value of $$\sqrt{17}+\sqrt{47},$$ to the nearest whole...
0
Last post by Vincen
Fri Jun 18, 2021 6:09 am
Percent And Interest Problems
by swerve »
To determine her state income tax last year, Elena computed 5 percent...
1
Last post by [email protected]
Fri Jun 18, 2021 5:03 am
Edward has four pearls – two white and two black – which he can distribute as he chooses between two identical bags. He
by BTGmoderatorDC »
Edward has four pearls - two white and two black - which he can...
1
Last post by [email protected]
Fri Jun 18, 2021 5:02 am
Que: A set is such that if m is in the set, $$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...
1
Last post by [email protected] Revolution
Thu Jun 17, 2021 8:50 pm
Of 60 children, 30 are happy, 10 are sad, and 20 are neither happy nor sad. There are 20 boys and 40 girls. If there are
by BTGmoderatorDC »
Of 60 children, 30 are happy, 10 are sad, and 20 are neither happy...
0
Last post by BTGmoderatorDC
Thu Jun 17, 2021 4:14 pm
In 1990 a total of x earthquakes occurred worldwide, some but not all of which occurred in Asia. If m of theses...
by BTGmoderatorLU »
Source: Official Guide In 1990 a total of x earthquakes occurred...
0
Last post by BTGmoderatorLU
Thu Jun 17, 2021 3:59 pm
A poll reveals that the average (arithmetic mean) income of 10 households is $25,000. If 6 of the households... by BTGmoderatorLU » Source: Official Guide A poll reveals that the average (arithmetic... 0 Last post by BTGmoderatorLU Thu Jun 17, 2021 3:51 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 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 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
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
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