## 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
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...
0
Last post by BTGmoderatorDC
Mon Jun 14, 2021 4:19 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
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...
0
Last post by BTGmoderatorLU
Mon Jun 14, 2021 3:19 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: 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...
0
Last post by [email protected] Revolution
Sun Jun 13, 2021 9:30 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...
0
Last post by [email protected] Revolution
Sun Jun 13, 2021 9:28 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
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...
0
Last post by M7MBA
Sun Jun 13, 2021 8:43 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
A salesperson earns a weekly salary of $600 plus a commission of 1 percent of sales over$2,000. If he earned $650 in a by VJesus12 » A salesperson earns a weekly salary of$600 plus a commission of 1...
0
Last post by VJesus12
Sat Jun 12, 2021 5:15 am
If the perimeter of square region $$S$$ and the perimeter of rectangular region $$R$$ are equal and the sides of $$R$$
by VJesus12 »
If the perimeter of square region $$S$$ and the perimeter of...
0
Last post by VJesus12
Sat Jun 12, 2021 5:12 am
When positive integer k is divided by 5, the remainder is 2. When k is divided by 6, the remainder is 5. If k is less
by BTGmoderatorDC »
When positive integer k is divided by 5, the remainder is 2. When k...
1 Last post by [email protected]
Sat Jun 12, 2021 5:01 am
At a certain committee meeting only associate professors and assistant professors are present. Each associate professor
by VJesus12 »
At a certain committee meeting, only associate professors and...
2 Last post by [email protected]
Fri Jun 11, 2021 3:49 pm
For any positive integer $$n$$ greater than $$1, n!$$ denotes the product of all the integers from $$1$$ to $$n,$$ inclu
by VJesus12 »
For any positive integer $$n$$ greater than $$1, n!$$ denotes the...
1
Last post by swerve
Fri Jun 11, 2021 9:50 am
Machines $$A$$ and $$B$$ always operate independently and at their respective constant rates. When working alone, Machin
by VJesus12 »
Machines $$A$$ and $$B$$ always operate independently and at their...
0
Last post by VJesus12
Fri Jun 11, 2021 8:24 am
In the formula shown, if $$\dfrac{x}{s} = 25$$ and $$v > 0,$$ what is the value of $$v?$$
by VJesus12 »
$$x=\left(\dfrac14\right)sv^2.$$ In the formula shown, if...
0
Last post by VJesus12
Fri Jun 11, 2021 8:19 am
If $$r$$ and $$s$$ are positive integers and $$r-s=6,$$ which of the following has the greatest value?
by VJesus12 »
If $$r$$ and $$s$$ are positive integers and $$r-s=6,$$ which of the...
0
Last post by VJesus12
Fri Jun 11, 2021 8:15 am
In triangle $$ABC, AB = 30,$$ and $$AC = 28.$$ If the area of the triangle is $$336,$$ what is the perimeter of the tria
by VJesus12 »
In triangle $$ABC, AB = 30,$$ and $$AC = 28.$$ If the area of the...
0
Last post by VJesus12
Fri Jun 11, 2021 7:57 am
If a passenger sitting near the window in a train moving at 40 kmh noticed that it took 3 seconds for the oncoming train
by VJesus12 »
If a passenger sitting near the window in a train moving at 40 kmh...
0
Last post by VJesus12
Fri Jun 11, 2021 7:55 am
If $$\dfrac6{x(x+1)}>1,$$ which of the following could the value of $$x?$$
by VJesus12 »
If $$\dfrac6{x(x+1)}>1,$$ which of the following could the value...
0
Last post by VJesus12
Fri Jun 11, 2021 7:52 am
$$\dfrac{0,045\cdot 1,9}{0,03\cdot 0,005\cdot 0,1}=$$
by VJesus12 »
$$\dfrac{0,045\cdot 1,9}{0,03\cdot 0,005\cdot 0,1}=$$ A. $$5,700$$ B....
0
Last post by VJesus12
Fri Jun 11, 2021 7:49 am
15 chess players take part in a tournament. Every player plays twice with each of his opponents. How many games are to
by VJesus12 »
15 chess players take part in a tournament. Every player plays twice...
0
Last post by VJesus12
Fri Jun 11, 2021 7:46 am
There are between 100 and 110 cards in a collection of cards. If they are counted out 3 at a time, there are 2 left over
by Vincen »
There are between 100 and 110 cards in a collection of cards. If they...
0
Last post by Vincen
Fri Jun 11, 2021 7:44 am
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