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Problem Solving

Topics Posts Last Post

The youngest of 4 children has siblings who are 3, 5, and 8

by:
The youngest of 4 children has siblings who are 3, 5, and 8 years...

1 EXPERT REPLIES Tue Jan 09, 2018 9:11 am

by: Brent@GMATPrepNow View latest post

Right triangle ABC is to be drawn

by:
Right triangle ABC is to be drawn in the xy-plane so that the right...

2 EXPERT REPLIES Tue Jan 09, 2018 8:18 am

by: Brent@GMATPrepNow View latest post

Combinations problem

by:
Hello, For the question below, why isn't the answer: (30/500 * 1/800)...

6 EXPERT REPLIES Tue Jan 09, 2018 6:07 am

by: regor60 View latest post

Arithmetic

by:
Each of four girls, A,B,C and D, had a few chocolates with her. A...

2 EXPERT REPLIES Tue Jan 09, 2018 4:05 am

by: EconomistGMATTutor View latest post

A large solid cube is assembled by gluing together...

by:
A large solid cube is assembled by gluing together identical...

2 EXPERT REPLIES Tue Jan 09, 2018 3:10 am

by: EconomistGMATTutor View latest post

A tiara is studded with a mixture of gems

by:
A tiara is studded with a mixture of gems. The ratio of sapphires to...

2 EXPERT REPLIES Mon Jan 08, 2018 5:59 pm

by: BTGmoderatorDC View latest post

Mineral Extracted

by:
If 3/4 of the mineral deposits in a reservoir of water are removed...

5 EXPERT REPLIES Mon Jan 08, 2018 5:01 pm

by: Jeff@TargetTestPrep View latest post

In how many ways can you sit 8 people on a bench if 3 of the

by:
In how many ways can you sit 8 people on a bench if 3 of them must...

2 EXPERT REPLIES Mon Jan 08, 2018 4:56 pm

by: Jeff@TargetTestPrep View latest post

Funny Function

by:
For all positive integers m and v, the expression m Θ v...

5 EXPERT REPLIES Mon Jan 08, 2018 4:55 pm

by: Jeff@TargetTestPrep View latest post

Quantitative 2

by:
A certain liquid leaks out of a container at the rate of k liters for...

3 EXPERT REPLIES Mon Jan 08, 2018 4:55 pm

by: Jeff@TargetTestPrep View latest post

Exam / Average / Median

by:
What is the best way to solve this one? The scores on a certain exam...

6 EXPERT REPLIES Mon Jan 08, 2018 4:53 pm

by: Jeff@TargetTestPrep View latest post

Working alone, Mary can pave a driveway in 8 hours and Hilla

by:
Working alone, Mary can pave a driveway in 8 hours and Hillary can...

2 EXPERT REPLIES Mon Jan 08, 2018 4:40 pm

by: Jeff@TargetTestPrep View latest post

Distance/Rate problems

by:
Two interconnected, circular gears travel at the same circumferential...

1 EXPERT REPLIES Mon Jan 08, 2018 4:37 pm

by: Jeff@TargetTestPrep View latest post

Combination / Permutation problem

by:
Hi everybody, here is a questions. I got the answer but I would like...

5 EXPERT REPLIES Mon Jan 08, 2018 11:41 am

by: Jeff@TargetTestPrep View latest post

Word problems

by:
A group of 20 friends formed an investment club, with each member...

2 EXPERT REPLIES Mon Jan 08, 2018 11:32 am

by: Jeff@TargetTestPrep View latest post

Probability

by:
Rich has 3 green, 2 red and 3 blue balls in a bag. He randomly picks...

2 EXPERT REPLIES Mon Jan 08, 2018 11:30 am

by: Jeff@TargetTestPrep View latest post

Trucks & Cars problem

by:
A total of "n" trucks and cars are parked in a lot. If the...

4 EXPERT REPLIES Mon Jan 08, 2018 11:19 am

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

For how many integers n is n + n = n.n ? a) None b) One c)

by:
For how many integers n is n + n = n.n ? a) None b) One c) Two d)...

5 EXPERT REPLIES Mon Jan 08, 2018 11:18 am

by: Jeff@TargetTestPrep View latest post

Multiple of 14, 7

by:
A and B are two multiples of 14, and Q is the set of consecutive...

5 EXPERT REPLIES Mon Jan 08, 2018 11:13 am

by: Jeff@TargetTestPrep View latest post

Prblem Solving

by:
Of the z students at a certain college, x are studying French and y...

3 EXPERT REPLIES Mon Jan 08, 2018 11:07 am

by: Jeff@TargetTestPrep View latest post

Work/Rate problem

by:
P and Q are the only two applicants qualified for a short-term...

2 EXPERT REPLIES Mon Jan 08, 2018 10:50 am

by: Jeff@TargetTestPrep View latest post

A telecom company charges in the following manner each call

by:
A telecom company charges in the following manner each call costs a...

3 EXPERT REPLIES Mon Jan 08, 2018 10:49 am

by: Jeff@TargetTestPrep View latest post

A meal cost $35.50 and there was no tax...

by:
A meal cost $35.50 and there was no tax. If the tip was more than 10...

1 EXPERT REPLIES Mon Jan 08, 2018 8:00 am

by: Brent@GMATPrepNow View latest post

A number when divided by a certain divisor left...

by:
A number when divided by a certain divsor left remainder 241, when...

2 EXPERT REPLIES Mon Jan 08, 2018 7:44 am

by: GMATGuruNY View latest post

If the population of a certain country increases...

by:
If the population of a certain country increases at the rate of one...

1 EXPERT REPLIES Mon Jan 08, 2018 6:54 am

by: ErikaPrepScholar View latest post

4 baseball players each stand at different corners of

by:
4 baseball players each stand at different corners of a baseball...

3 EXPERT REPLIES Mon Jan 08, 2018 6:51 am

by: regor60 View latest post

Two members of a certain club are selected to speak . . . .

by:
Two members of a certain club are selected to speak at the next club...

2 EXPERT REPLIES Mon Jan 08, 2018 6:42 am

by: regor60 View latest post

A glass is shaped like a right circular cylinder...

by:
A glass is shaped like a right circular cylinder with a half sphere...

1 EXPERT REPLIES Mon Jan 08, 2018 6:21 am

by: Jay@ManhattanReview View latest post

From a group of three boys and four girls

by:
From a group of three boys and four girls, a line of children from...

1 EXPERT REPLIES Mon Jan 08, 2018 3:50 am

by: GMATGuruNY View latest post

A committee of 3 has to be formed randomly...

by:
A committee of 3 has to be formed randomly from a group of 6 people....

2 EXPERT REPLIES Mon Jan 08, 2018 3:39 am

by: GMATGuruNY View latest post

Speed and Distance.

by:
If two projectiles are launched at the same moment from 1320 miles...

1 EXPERT REPLIES Sun Jan 07, 2018 4:55 pm

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

Permutations and Combination

by:
How many different groups of 3 people can be formed from a group of 5...

2 EXPERT REPLIES Sun Jan 07, 2018 4:48 pm

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

Standard Deviation.

by:
In six successive games, a baseball team scored 3 runs once, 6 runs...

1 EXPERT REPLIES Sun Jan 07, 2018 4:43 pm

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

In parallelogram PQRS shown, if PQ=4 and QR=6...

by:
(zoom here) In parallelogram PQRS shown, if PQ = 4 and QR = 6, what...

1 EXPERT REPLIES Sun Jan 07, 2018 3:34 pm

by: ceilidh.erickson View latest post

How many different positive integers are factors of 225?

by:
How many different positive integers are factors of 225? (A) 4 (B) 6...

2 EXPERT REPLIES Sun Jan 07, 2018 3:00 pm

by: Brent@GMATPrepNow View latest post

Angela, Bernie, and Colleen can complete a job, all. . . . .

by:
Angela, Bernie, and Colleen can complete a job, all working together,...

1 EXPERT REPLIES Sun Jan 07, 2018 2:51 pm

by: Brent@GMATPrepNow View latest post

For how many integers n is 1^n = n^1?

by:
For how many integers n is 1^n = n^1? A. none B. 1 C. 2 D. 3 E. More...

1 EXPERT REPLIES Sun Jan 07, 2018 1:10 pm

by: EconomistGMATTutor View latest post

A discount of 20 percent on an order of goods followed

by:
A discount of 20 percent on an order of goods followed by a discount...

2 EXPERT REPLIES Sun Jan 07, 2018 11:34 am

by: M7MBA View latest post

Could anyone solve the following with a combinatorial approa

by:
Could anyone solve the following with a combinatorial approach...

1 EXPERT REPLIES Sun Jan 07, 2018 10:13 am

by: Brent@GMATPrepNow View latest post

Sara is an avid lottery player. In the certain game...

by:
Sara is an avid lottery player. In the certain game she plays, she...

1 EXPERT REPLIES Sun Jan 07, 2018 8:54 am

by: EconomistGMATTutor View latest post

Probability

by:
Out of a box that contains 4 black and 6 white mice, three are...

1 EXPERT REPLIES Sun Jan 07, 2018 8:48 am

by: Brent@GMATPrepNow View latest post

Probability

by:
Out of a box that contains 4 black and 6 white mice, three are...

1 EXPERT REPLIES Sun Jan 07, 2018 8:17 am

by: Brent@GMATPrepNow View latest post

What is the smallest positive integer that can be multiply..

by:
What is the smallest positive integer that can be multiply by 1,008...

1 EXPERT REPLIES Sun Jan 07, 2018 7:51 am

by: EconomistGMATTutor View latest post

Work/Rate

by:
Lee Colle insures its students for thefts up to $1000. The college...

0 Sun Jan 07, 2018 7:44 am

by: BTGmoderatorRO View latest post

Geometry

by:
There are two concentric circles with radii 10 and 8. If the radius...

1 EXPERT REPLIES Sun Jan 07, 2018 7:37 am

by: Brent@GMATPrepNow View latest post

Percents

by:
Anthony and Michael sit on the six-member board of directors for...

2 EXPERT REPLIES Sun Jan 07, 2018 7:25 am

by: Brent@GMATPrepNow View latest post

Points J (3, 1) and K (-1, -3) are two vertices of an...

by:
Points J (3, 1) and K ( -1, -3) are two vertices of an isosceles...

1 EXPERT REPLIES Sun Jan 07, 2018 7:04 am

by: EconomistGMATTutor View latest post

Permutations and Combination

by:
Everyone shakes hands with everyone else in a room. Total number of...

2 EXPERT REPLIES Sun Jan 07, 2018 6:06 am

by: DavidG@VeritasPrep View latest post

What percent of 5 letter combinations

by:
What percent of 5 letter combinations that can be made from the...

1 Sun Jan 07, 2018 5:55 am

by: elias.latour.apex View latest post

Arithmetic

by:
What is the last digit of $$3^{987}$$ ? A. 1 B. 7 C. 9 D. 2 OA is B

1 EXPERT REPLIES Sun Jan 07, 2018 4:28 am

by: GMATGuruNY View latest post

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