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Problem Solving

Topics Posts Last Post

If the product of 6 integers is positive...

by:
If the product of 6 integers is positive, at most how many of the...

1 EXPERT REPLIES Sun Nov 12, 2017 9:41 am

by: EconomistGMATTutor View latest post

Probability

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The probability that event M will not occur is 0.8 and the...

1 EXPERT REPLIES Sun Nov 12, 2017 9:17 am

by: EconomistGMATTutor View latest post

A basketball coach will select the members of a five-player

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A basketball coach will select the members of a five-player team from...

1 EXPERT REPLIES Sat Nov 11, 2017 8:13 pm

by: GMATGuruNY View latest post

(x+2)(x+3)/(x-2)≥0 are less than 5?

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How many of the integers that satisfy the inequality...

2 EXPERT REPLIES Sat Nov 11, 2017 8:10 pm

by: GMATGuruNY View latest post

Power and Roots

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$$(1.00001)(0.99999)-(1.00002)(0.99998)$$ A. 0 B. $$10^{10}$$ C....

3 EXPERT REPLIES Sat Nov 11, 2017 9:48 am

by: barksdale View latest post

what is the area of the square?

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In the figure above the square has two sides which are tangent to the...

1 EXPERT REPLIES Sat Nov 11, 2017 8:48 am

by: Brent@GMATPrepNow View latest post

The mean of twenty-five consecutive positive integers. . .

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The mean of twenty-five consecutive positive integers numbers is what...

3 EXPERT REPLIES Sat Nov 11, 2017 4:14 am

by: GMATGuruNY View latest post

2,600 has how many positive divisors?

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2,600 has how many positive divisors? A. 6 B. 12 C. 18 D. 24 E. 48...

5 EXPERT REPLIES Fri Nov 10, 2017 2:53 pm

by: Brent@GMATPrepNow View latest post

How can I solve the equation?

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$$If\ y\ne0\ and\ \frac{x}{y}=3,\ then\ \frac{\left(x-y\right)}{x}=\...

5 EXPERT REPLIES Fri Nov 10, 2017 1:24 pm

by: Matt@VeritasPrep View latest post

The average wages of a worker during a fortnight...

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The average wages of a worker during a fortnight comprising 15...

2 EXPERT REPLIES Fri Nov 10, 2017 1:01 pm

by: EconomistGMATTutor View latest post

During the course of an hour, an employee at Ultimate...

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During the course of an hour, an employee at Ultimate Packing...

2 EXPERT REPLIES Fri Nov 10, 2017 12:35 pm

by: EconomistGMATTutor View latest post

From a group of three boys and four girls . .

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From a group of three boys and four girls, a school hallway monitor...

2 EXPERT REPLIES Fri Nov 10, 2017 9:36 am

by: Brent@GMATPrepNow View latest post

Pipe A runs 30 liters of water per minute into a pool that h

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Pipe A runs 30 liters of water per minute into a pool that has a...

2 EXPERT REPLIES Fri Nov 10, 2017 8:45 am

by: Brent@GMATPrepNow View latest post

(2^(4-1)^2)/(2^(3-2))

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$$\frac{2^{\left(4-1\right)^2}}{2^{\left(3-2\right)}}=0$$ A. 2^8 B....

2 EXPERT REPLIES Fri Nov 10, 2017 8:30 am

by: Brent@GMATPrepNow View latest post

The number of vertices formed by four lines could be any num

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The number of vertices formed by four lines could be any number from...

2 EXPERT REPLIES Fri Nov 10, 2017 7:40 am

by: EconomistGMATTutor View latest post

In a class of 200 students, forty percent are girls.

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In a class of 200 students, forty percent are girls. Twenty-five...

2 EXPERT REPLIES Fri Nov 10, 2017 7:29 am

by: Brent@GMATPrepNow View latest post

If a, b, c, d, e, f, g, and h represent any . . .

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If a, b, c, d, e, f, g, and h represent any of the digits from 1 to...

1 EXPERT REPLIES Fri Nov 10, 2017 6:47 am

by: DavidG@VeritasPrep View latest post

(17*19*23*29)^31=n

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$$\left(17\cdot19\cdot23\cdot29\right)^{31}=n$$ Lowering which of the...

3 EXPERT REPLIES Fri Nov 10, 2017 3:26 am

by: GMATGuruNY View latest post

500 PS

by:
Hi, My answer was B) by... 0.5*0.9=0.54+0.05=0.59 but the corect...

4 EXPERT REPLIES Thu Nov 09, 2017 7:29 pm

by: Matt@VeritasPrep View latest post

Which of the following are/is prime?

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Which of the following are/is prime? I. 143 II. 147 III. 149 (A) II...

3 EXPERT REPLIES Thu Nov 09, 2017 7:19 pm

by: Matt@VeritasPrep View latest post

A machine at the golf ball

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A machine at the golf ball factory can produce 16 golf balls in 5...

3 EXPERT REPLIES Thu Nov 09, 2017 7:15 pm

by: Matt@VeritasPrep View latest post

If a, b, and c are integers and ab^2/c . . .

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If a, b, and c are integers and ab^2/c is a positive even integer,...

2 EXPERT REPLIES Thu Nov 09, 2017 7:12 pm

by: Matt@VeritasPrep View latest post

Kim purchased n items from a catalog for $8 each.

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Kim purchased n items from a catalog for $8 each. Postage and...

3 EXPERT REPLIES Thu Nov 09, 2017 7:10 pm

by: Matt@VeritasPrep View latest post

There are 5 competitors in a race (John, mary and...

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There are 5 competiros in a race (John, Mary and 3 other ones) in...

2 EXPERT REPLIES Thu Nov 09, 2017 7:07 pm

by: Matt@VeritasPrep View latest post

Probability Disks

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Each of 4 bags contains 25 blue disks, 25 green disks, 25 orange...

6 EXPERT REPLIES Thu Nov 09, 2017 7:06 pm

by: Matt@VeritasPrep View latest post

OG 18, question-225

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List T consists of 30 positive decimals, none of which is an integer,...

3 EXPERT REPLIES Thu Nov 09, 2017 7:05 pm

by: ceilidh.erickson View latest post

How many different equations can be found?

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i, j, k belonging to the set S = {0,1,2,3,4} and i + j + k = 4, and...

3 EXPERT REPLIES Thu Nov 09, 2017 6:49 pm

by: Matt@VeritasPrep View latest post

probability

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There are two decks of 10 cards each. The cards in each deck are...

3 EXPERT REPLIES Thu Nov 09, 2017 6:21 pm

by: Matt@VeritasPrep View latest post

password permutations

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a 6-digit password using only these numbers on the pin pad (12345)....

0 Thu Nov 09, 2017 9:12 am

by: mihai9 View latest post

A machine manufactures notebooks in a series of...

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A machine manufactures notebooks in a series of five colors: red,...

2 EXPERT REPLIES Thu Nov 09, 2017 7:00 am

by: EconomistGMATTutor View latest post

How many five digit numbers can be formed using digits 0,1,2

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How many five- digit numbers can be formed using digits 0,1,2,3,4,5,...

1 EXPERT REPLIES Thu Nov 09, 2017 6:04 am

by: GMATGuruNY View latest post

The dots on the graph represent the weight...

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The dots on the graph represent the weight and height of the students...

1 EXPERT REPLIES Wed Nov 08, 2017 11:40 pm

by: Jay@ManhattanReview View latest post

Coordinate plane

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In the coordinate plane, what is the distance between points (3,5)...

6 EXPERT REPLIES Wed Nov 08, 2017 4:30 pm

by: Jeff@TargetTestPrep View latest post

Shawn is planning a bus trip across town

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Shawn is planning a bus trip across town that involves three buses....

4 EXPERT REPLIES Wed Nov 08, 2017 4:28 pm

by: Jeff@TargetTestPrep View latest post

q is the smallest positive integer for which 3q3q is a facto

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q is the smallest positive integer for which 3q3q is a factor of...

1 EXPERT REPLIES Wed Nov 08, 2017 2:21 pm

by: EconomistGMATTutor View latest post

If n=2^4*3*5, how many factors of n are...

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If n=2^4*3*5, how many factors of n are greater than or equal to 8...

1 EXPERT REPLIES Wed Nov 08, 2017 11:43 am

by: ceilidh.erickson View latest post

A set X={a_1, a_2, a_3, a_4, a_5} . . .

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A set $$X=\left\{a_1,\ a_2,\ a_3,\ a_4,\ a_5\right\}$$ with non-zero...

1 EXPERT REPLIES Wed Nov 08, 2017 10:51 am

by: EconomistGMATTutor View latest post

Kim purchased n items from a catalog for $8 each.

by:
Kim purchased n items from a catalog for $8 each. Postage and...

2 EXPERT REPLIES Wed Nov 08, 2017 8:04 am

by: DavidG@VeritasPrep View latest post

Regular polygon X has r sides, and each vertex has...

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Regular polygon X has r sides, and each vertex has an angle measure...

1 EXPERT REPLIES Tue Nov 07, 2017 5:44 pm

by: DavidG@VeritasPrep View latest post

In the figure above m1 is parallel to m2, and n1 is...

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In the figure above m1 is parallel to m2, and n1 is parallel to n2....

1 EXPERT REPLIES Tue Nov 07, 2017 3:00 pm

by: EconomistGMATTutor View latest post

In the figure above, if m and n are parallel, then x=?

by:
In the figure above, if m and n are parallel, then x=? (A) 30 (B) 50...

3 EXPERT REPLIES Tue Nov 07, 2017 2:16 pm

by: EconomistGMATTutor View latest post

Any thoughts how 1 could work alone? Thank you

by:
$$$$

1 EXPERT REPLIES Tue Nov 07, 2017 8:47 am

by: Brent@GMATPrepNow View latest post

Bob is training for a fitness competition. In order to. . .

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Bob is training for a fitness competition. In order to increase his...

1 EXPERT REPLIES Mon Nov 06, 2017 9:11 am

by: ErikaPrepScholar View latest post

How many of the integers between 1 and 400...

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How many of the integers between 1 and 400, inclusive, are not...

1 EXPERT REPLIES Sun Nov 05, 2017 5:56 pm

by: GMATGuruNY View latest post

Ratio problem

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The number of stamps that kaye and Alberto had were in the ratio 5:3...

4 EXPERT REPLIES Sun Nov 05, 2017 3:46 pm

by: Brent@GMATPrepNow View latest post

Mr Ben leaves his house for work

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Mr Ben leaves his house for work at exactly 8:00 AM every morning....

1 EXPERT REPLIES Sun Nov 05, 2017 2:13 pm

by: GMATGuruNY View latest post

How many factors of 6! are greater than 100?

by:
How many factors of 6! are greater than 100? (A) 4 (B) 5 (C) 7 (D) 10...

2 EXPERT REPLIES Sun Nov 05, 2017 12:29 pm

by: Rich.C@EMPOWERgmat.com View latest post

Airplanes A and B traveled the same 360-mile route...

by:
Airplanes A and B traveled the same 360-mile route. If airplane A...

2 EXPERT REPLIES Sun Nov 05, 2017 12:24 pm

by: Rich.C@EMPOWERgmat.com View latest post

The monthly sales (in thousands of $) at a certain...

by:
The monthly sales (in thousands of $) at a certain restaurant for the...

1 EXPERT REPLIES Sun Nov 05, 2017 12:17 pm

by: Rich.C@EMPOWERgmat.com View latest post

Difficult Math Problem #113 - Permutations

by:
How many five digit numbers can be formed using the digits 0, 1, 2,...

3 Sun Nov 05, 2017 11:38 am

by: BTGmoderatorRO View latest post

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