## 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: John purchased 2,000 bolts for $15 each. He sold 1,000 bolts for$20 each .......
by [email protected] Revolution »
Que: John purchased 2,000 bolts for $15 each. He sold 1,000 bolts... 0 Last post by [email protected] Revolution Wed May 05, 2021 9:30 pm Que: Mandy sold 600 apples in 10 days. If the number of apples she sold increased by 4 each day..... by [email protected] Revolution » Que: Mandy sold 600 apples in 10 days. If the number of apples she... 1 Last post by [email protected] Revolution Wed May 05, 2021 9:25 pm A wooden crate has inside dimensions 3 meters by 4 meters by 12 meters. What is the length, in meters, of the longest, by BTGmoderatorDC » A wooden crate has inside dimensions 3 meters by 4 meters by 12... 1 Last post by swerve Wed May 05, 2021 6:22 pm The arithmetic mean and standard deviation of a certain normal distribution are 13.5 and 1.5, respectively. What value by M7MBA » The arithmetic mean and standard deviation of a certain normal... 1 Last post by [email protected] Wed May 05, 2021 6:51 am If each term in the sum $$a_1+a_2+a_3+\cdots + a_n$$ is either $$7$$ or $$77$$ and the sum equals $$350,$$ which of the by Gmat_mission » If each term in the sum $$a_1+a_2+a_3+\cdots + a_n$$ is either $$7$$... 1 Last post by [email protected] Wed May 05, 2021 6:50 am Alice’s take-home pay last year was the same each month, and she saved the same fraction of her take-home pay each month by Gmat_mission » Alice’s take-home pay last year was the same each month, and she... 1 Last post by [email protected] Wed May 05, 2021 6:49 am A technician makes a round-trip to and from a certain service center by the same route. If the technician completes by BTGmoderatorDC » A technician makes a round-trip to and from a certain service center... 1 Last post by [email protected] Wed May 05, 2021 6:47 am Pumping alone at their respective constant rates, one inlet pipe fills an empty tank to 1/2 of capacity in 3 hours and by VJesus12 » Pumping alone at their respective constant rates, one inlet pipe... 1 Last post by [email protected] Wed May 05, 2021 6:45 am A boat traveled upstream $$90$$ miles at an average speed of $$v-3$$ miles per hour and then traveled the same distance by VJesus12 » A boat traveled upstream $$90$$ miles at an average speed of $$v-3$$... 1 Last post by [email protected] Wed May 05, 2021 6:44 am On July 1 of last year, total employees at company E was decreased by 10 percent. Without any change in the salaries of by BTGmoderatorLU » Source: GMAT Prep On July 1 of last year, total employees at company... 1 Last post by [email protected] Wed May 05, 2021 6:42 am The total cost of a vacation was divided equally among 3 people. If the total cost of the vacation had been divided... by BTGmoderatorLU » Source: GMAT Prep The total cost of a vacation was divided equally... 1 Last post by [email protected] Wed May 05, 2021 6:41 am The numbers in which of the following pairs do NOT have a pair of distinct prime divisors in common? by AAPL » GMAT Paper Tests The numbers in which of the following pairs do NOT... 1 Last post by [email protected] Wed May 05, 2021 6:40 am A positive integer n is a perfect number provided that the sum of all the positive factors of n, including 1 and n, is by BTGmoderatorLU » Source: Official Guide A positive integer n is a perfect number... 0 Last post by BTGmoderatorLU Wed May 05, 2021 3:42 am A total of 5 liters of gasoline is to be poured into two empty containers with capacities of 2 liters and 6 liters... by BTGmoderatorLU » Source: Official Guide A total of 5 liters of gasoline is to be... 0 Last post by BTGmoderatorLU Wed May 05, 2021 3:35 am Que: Approximately how many seconds will it take for a car with a constant rate of 75 miles per hour..... by [email protected] Revolution » Que: Approximately how many seconds will it take for a car with a... 1 Last post by [email protected] Revolution Tue May 04, 2021 9:29 pm A wildlife preserve is being planned for 3,000 rhinoceroses. The preserve is to contain a total of 10,000 acres of water by AAPL » GMAT Paper Tests A wildlife preserve is being planned for 3,000... 0 Last post by AAPL Tue May 04, 2021 4:49 pm If the sum of the square roots of two integers is $$\sqrt{9+6\sqrt2},$$ what is the sum of the squares of these two inte by M7MBA » If the sum of the square roots of two integers is... 0 Last post by M7MBA Tue May 04, 2021 7:20 am If $$a = 1$$ and $$\dfrac{a - b}{c} = 1$$ which of the following is NOT a possible value of $$b?$$ by M7MBA » If $$a = 1$$ and $$\dfrac{a - b}{c} = 1$$ which of the following is... 0 Last post by M7MBA Tue May 04, 2021 7:18 am What is the ratio of $$\dfrac34$$ to the product $$4\cdot \left(\dfrac34\right)?$$ by M7MBA » What is the ratio of $$\dfrac34$$ to the product $$4\cdot... 0 Last post by M7MBA Tue May 04, 2021 7:16 am The sequence \(a_1, a_2, a_3, \ldots , a_n, \ldots$$ is such that $$i \cdot a_i=j \cdot a_j$$ for any pair of positive by M7MBA » The sequence $$a_1, a_2, a_3, \ldots , a_n, \ldots$$ is such that $$i... 0 Last post by M7MBA Tue May 04, 2021 7:12 am A rectangular solid, \(x$$ by $$y$$ by $$z,$$ is inscribed in a sphere so that all eight of its vertices are on the sphe by M7MBA » A rectangular solid, $$x$$ by $$y$$ by $$z,$$ is inscribed in a... 0 Last post by M7MBA Tue May 04, 2021 7:07 am Pumps $$A, B,$$ and $$C$$ operate at their respective constant rates. Pumps $$A$$ and $$B,$$ operating simultaneously, by M7MBA » Pumps $$A, B,$$ and $$C$$ operate at their respective constant rates.... 0 Last post by M7MBA Tue May 04, 2021 7:03 am On the number line above, the segment from $$0$$ to $$1$$ has been divided into fifths, as indicated by the large tick by M7MBA » GMAT_PS_PREP_T2_108.png On the number line above, the segment from... 0 Last post by M7MBA Tue May 04, 2021 6:58 am At a dinner party, 5 people are to be seated around a circular table. 2 seating arrangements are considered different on by M7MBA » At a dinner party, 5 people are to be seated around a circular table.... 0 Last post by M7MBA Tue May 04, 2021 6:55 am Six machines, each working at the same constant rate, together can complete a certain job in 12 days. How many additiona by M7MBA » Six machines, each working at the same constant rate, together can... 0 Last post by M7MBA Tue May 04, 2021 6:53 am In 1980 John’s salary was$15,000 a year and Don’s salary was $20,000 a year. If every year thereafter. John receives a by VJesus12 » In 1980 John’s salary was$15,000 a year and Don’s salary was...
0
Last post by VJesus12
Tue May 04, 2021 6:50 am
If $$[z]$$ denotes the greatest integer less than or equal to $$z$$ and $$[z] = -1$$ which of the following statements
by VJesus12 »
If  denotes the greatest integer less than or equal to $$z$$ and...
0
Last post by VJesus12
Tue May 04, 2021 6:46 am
On the number line shown, the tick marks are equally spaced. What is the value of $$y - x ?$$
by VJesus12 »
GMAT_PS_PREP_T2_142.png On the number line shown, the tick marks are...
0
Last post by VJesus12
Tue May 04, 2021 6:40 am
If a coin has an equal probability of landing heads up or tails up each time it is flipped, what is the probability that
by VJesus12 »
If a coin has an equal probability of landing heads up or tails up...
0
Last post by VJesus12
Tue May 04, 2021 6:37 am
In the $$xy$$-plane, which of the following two points lie on the line segment that is perpendicular to the line
by VJesus12 »
In the $$xy$$-plane, which of the following two points lie on the...
0
Last post by VJesus12
Tue May 04, 2021 6:34 am
Of the $$50$$ researchers in a workgroup, $$40$$ percent will be assigned to Team $$A$$ and the remaining $$60$$ percent
by VJesus12 »
Of the $$50$$ researchers in a workgroup, $$40$$ percent will be...
0
Last post by VJesus12
Tue May 04, 2021 6:31 am
How many positive integers less than 200 are there such that they are multiples of 13 or multiples of 12 but not both?
by VJesus12 »
How many positive integers less than 200 are there such that they are...
0
Last post by VJesus12
Tue May 04, 2021 2:36 am
The average of 12 numbers 16. When one number is discarded and 15 is added, the average becomes 17. What is the number
by VJesus12 »
The average of 12 numbers 16. When one number is discarded and 15 is...
0
Last post by VJesus12
Tue May 04, 2021 2:31 am
Which of the following points is closest to line $$y=x?$$
by VJesus12 »
Which of the following points is closest to line $$y=x?$$ A. $$(2,... 0 Last post by VJesus12 Tue May 04, 2021 2:28 am If \(0\leq x\leq 4$$ and $$y<12,$$ which of the following CANNOT be the value of $$xy?$$
by VJesus12 »
If $$0\leq x\leq 4$$ and $$y<12,$$ which of the following CANNOT...
0
Last post by VJesus12
Tue May 04, 2021 2:25 am
A survey was conducted to determine the popularity of 3 foods among students. The data collected from 75 students are
by VJesus12 »
A survey was conducted to determine the popularity of 3 foods among...
0
Last post by VJesus12
Tue May 04, 2021 2:21 am
Last year Manfred received 26 paychecks. Each of his first 6 paychecks was $750; each of his remaining paychecks was$30
by VJesus12 »
Last year Manfred received 26 paychecks. Each of his first 6...
0
Last post by VJesus12
Tue May 04, 2021 2:18 am
If a portion of a half water/half alcohol mix is replaced with 25% alcohol solution, resulting in a 30% alcohol solution
by VJesus12 »
If a portion of a half water/half alcohol mix is replaced with 25%...
0
Last post by VJesus12
Tue May 04, 2021 2:14 am
If $$n$$ is a positive integer, then $$(-2^n)^{-2} +(2^{-n})^2 =$$
by VJesus12 »
If $$n$$ is a positive integer, then $$(-2^n)^{-2} +(2^{-n})^2 =$$ A....
0
Last post by VJesus12
Tue May 04, 2021 2:05 am
The functions $$f$$ and $$g$$ are defined for all the positive integers $$n$$ by the following rule: $$f(n)$$ is the num
by Vincen »
The functions $$f$$ and $$g$$ are defined for all the positive...
0
Last post by Vincen
Tue May 04, 2021 1:49 am
If $$x$$ is an integer, and $$121 < x^2 \leq 361,$$ which of the following is the sum of all possible values of $$x?$$
by Vincen »
If $$x$$ is an integer, and $$121 < x^2 \leq 361,$$ which of the...
0
Last post by Vincen
Tue May 04, 2021 1:03 am
If it is assumed that each of the $$n$$ production workers in a factory assembles one instrument every $$t$$ minutes,
by Vincen »
If it is assumed that each of the $$n$$ production workers in a...
0
Last post by Vincen
Tue May 04, 2021 12:59 am
Que: The number of cars this year decreased by 20% compared to last year.
by [email protected] Revolution »
Que: The number of cars this year decreased by 20% compared to last...
1
Last post by [email protected] Revolution
Mon May 03, 2021 8:58 pm
The number of stamps that Kaye and Alberto had was in the ratio of $$5:3$$ respectively. After Kaye gave Alberto $$10$$
by Vincen »
The number of stamps that Kaye and Alberto had was in the ratio of...
0
Last post by Vincen
Mon May 03, 2021 11:01 am
Which of the following statements can be inferred from the data above?
by Vincen »
GMAT.png Which of the following statements can be inferred from the...
0
Last post by Vincen
Mon May 03, 2021 10:46 am
At a certain instant in time, the number of cars, $$N,$$ traveling on a portion of a certain highway can be estimated by
by Vincen »
At a certain instant in time, the number of cars, $$N,$$ traveling on...
0
Last post by Vincen
Mon May 03, 2021 10:40 am
x is a single-digit positive integer. If the units digit of x^2 and the units digit of
by BTGmoderatorDC »
x is a single-digit positive integer. If the units digit of x^2 and...
1
Last post by swerve
Mon May 03, 2021 9:51 am
Line A is represented by the line y = 3x - 4. Which of the following represents the equation of a line that is
by AAPL »
Veritas Prep Line A is represented by the line y = 3x - 4. Which of...
0
Last post by AAPL
Mon May 03, 2021 4:23 am
If you are drawing one card from a regular deck of cards (52 cards, with 13 sets of four), what is the probability that
by AAPL »
Veritas Prep If you are drawing one card from a regular deck of...
0
Last post by AAPL
Mon May 03, 2021 4:12 am
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