## 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
The rate of a certain chemical reaction is directly proportional to the square of the concentration of chemical $$A$$
by VJesus12 »
The rate of a certain chemical reaction is directly proportional to...
0
Last post by VJesus12
Thu Apr 15, 2021 12:04 pm
The perimeter of a certain isosceles right triangle is $$16+16\sqrt2.$$ What is the length of the hypotenuse of the tria
by VJesus12 »
The perimeter of a certain isosceles right triangle is...
0
Last post by VJesus12
Thu Apr 15, 2021 12:01 pm
Beth received 3/10 of the votes cast in a certian election. What franction of the other votes cast would she have needed
by VJesus12 »
Beth received 3/10 of the votes cast in a certain election. What...
0
Last post by VJesus12
Thu Apr 15, 2021 11:58 am
If $$\936$$ is divided between worker $$A$$ and worker $$B$$ in the ratio $$5:7,$$ what is the share that worker $$B$$
by VJesus12 »
If $$\936$$ is divided between worker $$A$$ and worker $$B$$ in the...
0
Last post by VJesus12
Thu Apr 15, 2021 11:55 am
The function $$F$$ is defined for all positive integers $$n$$ by the following rule: $$f(n)$$ is the number of positive
by VJesus12 »
The function $$F$$ is defined for all positive integers $$n$$ by the...
0
Last post by VJesus12
Thu Apr 15, 2021 11:51 am
If $$x = (0.08)^2, y = \dfrac1{(0.08)^2}$$ and $$z = (1-0.08)^2-1,$$ which of the following is true?
by Vincen »
If $$x = (0.08)^2, y = \dfrac1{(0.08)^2}$$ and $$z = (1-0.08)^2-1,$$...
0
Last post by Vincen
Thu Apr 15, 2021 11:48 am
If each expression under the square root is greater than or equal to $$0,$$ what is $$\sqrt{x^2-6x+9}+\sqrt{2-x}+x-3?$$
by Vincen »
If each expression under the square root is greater than or equal to...
0
Last post by Vincen
Thu Apr 15, 2021 11:45 am
In a sample of college students, 40 percent are third-year students and 70 percent are not second-year students. What
by Vincen »
In a sample of college students, 40 percent are third-year students...
0
Last post by Vincen
Thu Apr 15, 2021 11:39 am
The average (arithmetic mean) cost per book for the $$12$$ books on a certain table is $$k$$ dollars. If a book that
by Vincen »
The average (arithmetic mean) cost per book for the $$12$$ books on a...
0
Last post by Vincen
Thu Apr 15, 2021 11:21 am
There are 8 books on a shelf that consist of 2 paperback books and 6 hardback books. If 4 books are selected at random
by Vincen »
There are 8 books on a shelf that consist of 2 paperback books and 6...
0
Last post by Vincen
Thu Apr 15, 2021 11:16 am
A car traveled $$75\%$$ of the way from town $$A$$ to town $$B$$ by traveling at $$T$$ hours at an average speed of
by Vincen »
A car traveled $$75\%$$ of the way from town $$A$$ to town $$B$$ by...
0
Last post by Vincen
Thu Apr 15, 2021 10:55 am
If the probability that Stock $$A$$ will increase in value during the next month is 0.54, and the probability that Stock
by Vincen »
If the probability that Stock $$A$$ will increase in value during the...
0
Last post by Vincen
Thu Apr 15, 2021 10:43 am
How many integers between 324,700 and 458,600 have tens digit 1 and units digit 3?
by Vincen »
How many integers between 324,700 and 458,600 have tens digit 1 and...
0
Last post by Vincen
Thu Apr 15, 2021 10:39 am
When a certain tree was first planted, it was 4 feet tall and the height of the tree increased by a constant amount each
by Vincen »
When a certain tree was first planted, it was 4 feet tall and the...
0
Last post by Vincen
Thu Apr 15, 2021 10:36 am
An urn contains g green marbles and b blue marbles. If 3 green marbles and 5 blue marbles are added, and then one...
by AAPL »
Veritas Prep An urn contains g green marbles and b blue marbles. If...
1
Last post by [email protected]
Thu Apr 15, 2021 10:36 am
Three squares on a chessboard are chosen at random. The probability that 2 of them are of one color and the remaining on
by BTGmoderatorDC »
Three squares on a chessboard are chosen at random. The probability...
1
Last post by S[email protected]
Thu Apr 15, 2021 10:35 am
A certain high school offers two foreign languages, Spanish and French. 10% of students do not take a foreign language
by BTGmoderatorDC »
A certain high school offers two foreign languages, Spanish and...
3
Last post by [email protected]
Thu Apr 15, 2021 10:34 am
The charge for a single room at Hotel $$P$$ is $$25$$ percent less than the charge for a single room at Hotel $$R$$ and
by Vincen »
The charge for a single room at Hotel $$P$$ is $$25$$ percent less...
1
Last post by [email protected]
Thu Apr 15, 2021 10:33 am
How many 4-digit positive integers are there in which all 4 digits are even?
by Vincen »
How many 4-digit positive integers are there in which all 4 digits...
1
Last post by [email protected]
Thu Apr 15, 2021 10:32 am
When $$x$$ is multiplied by $$3,$$ the result is $$18$$ more than the result of subtracting $$x$$ from $$26.$$ What is
by Vincen »
When $$x$$ is multiplied by $$3,$$ the result is $$18$$ more than the...
1
Last post by [email protected]
Thu Apr 15, 2021 10:31 am
A 10-ounce mixed drink is 30% vodka and the rest tonic. How many ounces of vodka must be added so that the drink becomes
by Vincen »
A 10-ounce mixed drink is 30% vodka and the rest tonic. How many...
0
Last post by Vincen
Thu Apr 15, 2021 10:31 am
If the sum of the first five terms of an Arithmetic sequence is equal to 120 and the sum of the next five terms of the
by Vincen »
If the sum of the first five terms of an Arithmetic sequence is equal...
1
Last post by [email protected]
Thu Apr 15, 2021 10:30 am
The value of $$\sqrt{\dfrac{16\pi}3}+\sqrt5$$ is most nearly equal to which of the following integers?
by Vincen »
The value of $$\sqrt{\dfrac{16\pi}3}+\sqrt5$$ is most nearly equal to...
1
Last post by [email protected]
Thu Apr 15, 2021 10:30 am
An integer $$n$$ between $$1$$ and $$99,$$ inclusive, is to be chosen at random. What is the probability that $$n(n+1)$$
by Vincen »
An integer $$n$$ between $$1$$ and $$99,$$ inclusive, is to be chosen...
1
Last post by [email protected]
Thu Apr 15, 2021 10:29 am
A certain company charges $6 per package to ship packages weighing less than 2 pounds each. For a package weighing 2 pou by Vincen » A certain company charges$6 per package to ship packages weighing...
1
Last post by [email protected]
Thu Apr 15, 2021 10:28 am
UNITS DIGIT
by shrey2287 »
What is the units digit of the solution to 177^28 - 133^23 ? (A) 1...
3
Last post by [email protected]
Thu Apr 15, 2021 10:20 am
A gang of criminals hijacked a train heading due south. At exactly the same time, a police car located 50 miles north of
by swerve »
A gang of criminals hijacked a train heading due south. At exactly...
0
Last post by swerve
Thu Apr 15, 2021 4:52 am
Two jars that are both half full of liquid are poured into an empty bucket. If the bucket has three times the capacity
by swerve »
Two jars that are both half full of liquid are poured into an empty...
0
Last post by swerve
Thu Apr 15, 2021 4:39 am
A parabola has one x-intercept at (-4,0). If the vertex is at (2,5), find the other x-intercept.
by BTGmoderatorLU »
Source: Magoosh A parabola has one x-intercept at (-4,0). If the...
0
Last post by BTGmoderatorLU
Wed Apr 14, 2021 5:29 pm
A hundred identical cubic boxes are currently arranged in four cubes: a single cubic box, a 2 x 2 x 2 cube, a 3 x 3 x 3
by BTGmoderatorLU »
Source: Magoosh A hundred identical cubic boxes are currently...
0
Last post by BTGmoderatorLU
Wed Apr 14, 2021 5:27 pm
X frequency 1 3 2 1 3 3 4 1 5 3 6 1 7 3
by BTGmoderatorDC »
X frequency 1 3 2 1 3 3 4 1 5 3 6 1 7 3 The variable x takes on...
0
Last post by BTGmoderatorDC
Wed Apr 14, 2021 4:38 pm
A circular jogging track forms the edge of a circular lake that has a diameter of 2 miles. Johanna walked once around...
by AAPL »
GMAT Prep A circular jogging track forms the edge of a circular lake...
0
Last post by AAPL
Wed Apr 14, 2021 9:29 am
According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 3 cans
by AAPL »
GMAT Prep According to the directions on a can of frozen orange...
0
Last post by AAPL
Wed Apr 14, 2021 9:22 am
What percent of the squares area is taken up by the circle?
by BTGmoderatorDC »
Geometry_Q1_Image.jpg What percent of the squareâ€™s area is taken...
0
Last post by BTGmoderatorDC
Tue Apr 13, 2021 6:14 pm
List $$S$$ consists of $$10$$ consecutive odd integers, and list $$T$$ consists of $$5$$ consecutive even integers. If
by VJesus12 »
List $$S$$ consists of $$10$$ consecutive odd integers, and list...
1
Last post by swerve
Tue Apr 13, 2021 11:23 am
A shopkeeper offers two successive discounts of 20% each on a sweater and still makes a profit of 60%. By what
by BTGmoderatorDC »
A shopkeeper offers two successive discounts of 20% each on a sweater...
1
Last post by swerve
Tue Apr 13, 2021 11:12 am
The perimeter of a certain isosceles right triangle is $$16+16\sqrt2.$$ What is the length of the hypotenuse of the tria
by Gmat_mission »
The perimeter of a certain isosceles right triangle is...
1
Last post by [email protected]
Tue Apr 13, 2021 7:22 am
A boat traveled upstream $$90$$ miles at an average speed of $$v-3$$ miles per hour and then traveled the same distance
by Gmat_mission »
A boat traveled upstream $$90$$ miles at an average speed of $$v-3$$...
1
Last post by [email protected]
Tue Apr 13, 2021 7:21 am
The price of gasoline at a service station increased from $1.65 per gallon last week to$1.82 per gallon this week. Sall
by Gmat_mission »
The price of gasoline at a service station increased from \$1.65 per...
1
Last post by [email protected]
Tue Apr 13, 2021 7:20 am
In a certain game, a large bag is filled with blue, green, purple, and red chips worth $$1, 5, x$$ and $$11$$ points eac
by M7MBA »
In a certain game, a large bag is filled with blue, green, purple,...
1
Last post by [email protected]
Tue Apr 13, 2021 7:19 am
Seven pieces of rope have an average (arithmetic mean) length of 68 centimeters and a median length of 84 centimeters.
by BTGmoderatorLU »
Source: Official Guide Seven pieces of rope have an average...
1
Last post by [email protected]
Tue Apr 13, 2021 7:17 am
Que: If the sum of 5 consecutive integers is 0, what is the greatest of the 5 integers ?
by [email protected] Revolution »
Que: If the sum of 5 consecutive integers is 0, what is the greatest...
0
Last post by [email protected] Revolution
Tue Apr 13, 2021 12:26 am
Que : If n is an even integer, which of the following MUST BE an integer?
by [email protected] Revolution »
Que : If n is an even integer, which of the following MUST BE an...
1
Last post by [email protected] Revolution
Tue Apr 13, 2021 12:18 am
In the regular pentagon given in the figure
by BTGmoderatorDC »
Q. In the regular pentagon given in the figure, what is X?...
0
Last post by BTGmoderatorDC
Mon Apr 12, 2021 3:44 pm
All the employees of Company X were appraised at the year-end. 40% of the employees got a promotion, 50% of the...
by AAPL »
E-GMAT All the employees of Company X were appraised at the...
0
Last post by AAPL
Mon Apr 12, 2021 2:54 am
If $$q$$ is one root of the equation $$x^2 + 18x + 11c = 0,$$ where $$-11$$ is the other root and $$c$$ is a constant,
by VJesus12 »
If $$q$$ is one root of the equation $$x^2 + 18x + 11c = 0,$$ where...
0
Last post by VJesus12
Sun Apr 11, 2021 12:49 pm
$$S$$ is the infinite sequence $$S_1 = 2, S_2 = 22, S_3 = 222,\ldots, S_k = S_{k-1} + 2(10k-1).$$ If $$p$$ is the sum of
by M7MBA »
$$S$$ is the infinite sequence $$S_1 = 2, S_2 = 22, S_3 = 222,\ldots,... 0 Last post by M7MBA Sun Apr 11, 2021 12:42 pm If \(a, b,$$ and $$c$$ are nonzero numbers and $$a + b = c,$$ which of the following is equal to $$1?$$
by M7MBA »
If $$a, b,$$ and $$c$$ are nonzero numbers and $$a + b = c,$$ which...
0
Last post by M7MBA
Sun Apr 11, 2021 12:33 pm
The ratio of textbooks to novels to atlases in a certain classroom is 2 to 4 to 3. If there are no other books in the
by M7MBA »
The ratio of textbooks to novels to atlases in a certain classroom is...
0
Last post by M7MBA
Sun Apr 11, 2021 12:28 pm
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