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Problem Solving

Topics Posts Last Post

multiples of 7

by:
What is the sum of the multiples of 7 from 84 to 140, inclusive?...

9 EXPERT REPLIES Mon Sep 11, 2017 10:19 am

by: Scott@TargetTestPrep View latest post

Time rate and distance

by:
The question had me stumped because i forgot which formula i had to...

8 EXPERT REPLIES Mon Sep 11, 2017 10:15 am

by: Scott@TargetTestPrep View latest post

At 15:00 there were 20 students

by:
At 15:00 there were 20 students in the computer lab. At 15:03 and...

1 EXPERT REPLIES Mon Sep 11, 2017 7:36 am

by: DavidG@VeritasPrep View latest post

For any four digit number

by:
For any four digit number, abcd, *abcd*= (3^a)(5^b)(7^c)(11^d). What...

2 EXPERT REPLIES Mon Sep 11, 2017 6:42 am

by: GMATGuruNY View latest post

Set problem

by:
There are 70 students in Math or English or German. Exactly 40 are in...

1 EXPERT REPLIES Mon Sep 11, 2017 6:20 am

by: Jay@ManhattanReview View latest post

Winners of medals.

by:
This year, x people won an Olympic medal for water competitions....

1 EXPERT REPLIES Sun Sep 10, 2017 3:24 pm

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

Probability

by:
A box contains 25 red blacks, 100 blue blocks, and 175 yellow blocks....

1 EXPERT REPLIES Sun Sep 10, 2017 3:21 pm

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

Which of the following is the closest to...

by:
Which of the following is the closest to 11*10^10-4*10^4 ? A. 10^2 B....

1 EXPERT REPLIES Sun Sep 10, 2017 3:19 pm

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

COMBINATION Problem

by:
What is the number of different ways to choose a chairman, two...

1 EXPERT REPLIES Sun Sep 10, 2017 3:11 pm

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

If x > y, x < 6, and y > -3

by:
If x > y, x < 6, and y > -3, what is the largest prime...

1 EXPERT REPLIES Sun Sep 10, 2017 1:38 pm

by: GMATGuruNY View latest post

How many zeros are at the end of 380! ?

by:
How many zeros are at the end of 380! ? (A) 90 (B) 91 (C) 94 (D) None...

1 EXPERT REPLIES Sun Sep 10, 2017 10:41 am

by: GMATGuruNY View latest post

Problem solving

by:
Which of the following option is correct when (6(x^3)(y^3))^4 +...

1 EXPERT REPLIES Sun Sep 10, 2017 10:22 am

by: Brent@GMATPrepNow View latest post

If n is the sum of the integers from -203 to 200, inclusive,

by:
If n is the sum of the integers from -203 to 200, inclusive, then n =...

2 EXPERT REPLIES Sat Sep 09, 2017 10:09 am

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

Engine A can work 5 hours on 10 liters of fuel

by:
Engine A can work 5 hours on 10 liters of fuel while engine B can...

3 EXPERT REPLIES Sat Sep 09, 2017 12:47 am

by: Jay@ManhattanReview View latest post

How many ways can six friends be arranged around a circular?

by:
How many ways can six friends be arranged around a circular dinner...

1 EXPERT REPLIES Sat Sep 09, 2017 12:36 am

by: Jay@ManhattanReview View latest post

The area bounded by the curves |x + y| = 1 and |x - y| = 1

by:
The area bounded by the curves |x + y| = 1 and |x - y| = 1 is A. 3 B....

1 EXPERT REPLIES Sat Sep 09, 2017 12:14 am

by: Jay@ManhattanReview View latest post

In a sample of college students, 40 percent are third...

by:
In a sample of college students, 40 percent are third year students...

1 EXPERT REPLIES Fri Sep 08, 2017 11:53 pm

by: Jay@ManhattanReview View latest post

OG2015 PS The average (arithmetic mean)

by:
The average (arithmetic mean) of the integers from 200 to 400,...

1 EXPERT REPLIES Fri Sep 08, 2017 10:53 pm

by: Jay@ManhattanReview View latest post

PLEASE HELP!!!! PRIMARY 4 MATHS

by:
At a stadium, there were an equal number of men and women. 79 Men and...

1 EXPERT REPLIES Fri Sep 08, 2017 11:23 am

by: DavidG@VeritasPrep View latest post

Which of the following options must be truth?

by:
If m, p, s and v are positive, and m/p < s/v, which of the...

3 EXPERT REPLIES Thu Sep 07, 2017 9:34 pm

by: Jay@ManhattanReview View latest post

Please help with this one

by:
What is the greatest prime factor of 4^17 - 2^26? a) 2 b) 3 c) 5 d) 7...

6 EXPERT REPLIES Thu Sep 07, 2017 2:24 pm

by: Brent@GMATPrepNow View latest post

How many points with Integer x and Y co-ordinates lie within

by:
How many points with Integer x and Y co-ordinates lie within the...

2 EXPERT REPLIES Wed Sep 06, 2017 7:59 pm

by: Admin1 View latest post

In how many ways can 6 chocolates be distributed among 3 chi

by:
In how many ways can 6 chocolates be distributed among 3 children? A...

2 EXPERT REPLIES Wed Sep 06, 2017 6:50 pm

by: Admin1 View latest post

For each trip, a taxi company charges a fixed fee of $2.00

by:
For each trip, a taxi company charges a fixed fee of $2.00 plus $0.75...

11 EXPERT REPLIES Tue Sep 05, 2017 10:18 am

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

How many factors of 36^2?

by:
How many factors does 36^2 have? A)2 B)8 C)24 D)25 E)26 Answer in a...

7 EXPERT REPLIES Tue Sep 05, 2017 5:44 am

by: Admin1 View latest post

PS: Can you help?

by:
If x, y, and k are positive numbers such that *(10) + *(20) = k and...

7 EXPERT REPLIES Mon Sep 04, 2017 1:02 pm

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

terminating decimal

by:
If d = 1/(2^3*5^7) is expressed as a terminating decimal, how many...

11 EXPERT REPLIES Mon Sep 04, 2017 10:30 am

by: Jeff@TargetTestPrep View latest post

OG 196 (Properties of numbers/exponents)

by:
Hi, #196 (OG 13) From the consecutive integers -10 to 10, inclusive,...

8 EXPERT REPLIES Mon Sep 04, 2017 10:15 am

by: Jeff@TargetTestPrep View latest post

Practice Exam 1 - GMAT Prep - Algebra

by:
Hello BTG Would like to know if my approach to the following question...

6 EXPERT REPLIES Mon Sep 04, 2017 10:13 am

by: Admin1 View latest post

There are a lot of houses such that the numbers of their doo

by:
There are a lot of houses such that the numbers of their doorplates...

5 EXPERT REPLIES Sun Sep 03, 2017 3:54 pm

by: Admin1 View latest post

Tough one from Kaplan

by:
A dog breeder currently has 9 breeding dogs. 6 of the dogs have...

7 EXPERT REPLIES Sun Sep 03, 2017 2:20 pm

by: YTarhouni View latest post

Smallest Common Multiple

by: Page: 1, 2, 3
What is the smallest common multiple of two integers which are both...

42 EXPERT REPLIES Sun Sep 03, 2017 1:52 pm

by: danielle07 View latest post

What is the units digit of 367?

by:
What is the units digit of 3^67? A. 1 B. 3 C. 5 D. 7 E. 9 *An answer...

6 EXPERT REPLIES Sun Sep 03, 2017 1:47 pm

by: danielle07 View latest post

Probability Problem Sets

by:
A florist has 2A,3B and 4P.She puts two flowers together at random in...

5 EXPERT REPLIES Sun Sep 03, 2017 1:39 pm

by: YTarhouni View latest post

Probablity

by: Page: 1, 2
If 4 fair dice are thrown simultaneously, what is the probability of...

16 EXPERT REPLIES Sun Sep 03, 2017 1:24 pm

by: YTarhouni View latest post

Difficult Math Problem #103 - Sets

by:
Out of 20 surveyed students 8 study math and 7 study both math and...

6 EXPERT REPLIES Sun Sep 03, 2017 12:26 pm

by: BTGmoderatorRO View latest post

Difficult Math Problem #104 - Work

by:
from diff math doc. oa coming when some people answer with...

4 Sun Sep 03, 2017 12:09 pm

by: BTGmoderatorRO View latest post

A certain list consists of 21 different numbers

by:
A certain list consists of 21 different numbers. If n is in the list...

4 EXPERT REPLIES Sun Sep 03, 2017 11:52 am

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

All answers are satisfying.. which is correct?

by:
Q: if xy+z = x(y+z), which of the following must be true, 1. x=0...

6 EXPERT REPLIES Sun Sep 03, 2017 11:47 am

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

Difficult Math Problem #61 - Combinations

by:
A bar is creating a new signature drink. There are five possible...

5 EXPERT REPLIES Sun Sep 03, 2017 11:42 am

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

If a triangle ABC is there such that BE=EF=FC=3 and DB=GC=2B

by:
If a triangle ABC is there such that BE=EF=FC=3 and DB=GC=2BE, what...

3 EXPERT REPLIES Sun Sep 03, 2017 9:53 am

by: Admin1 View latest post

ratios problem

by:
In a certain English class, 1/4 of the number of girls is equal to...

7 EXPERT REPLIES Sun Sep 03, 2017 9:42 am

by: gmatstudent2017 View latest post

Help on a Coordiate geometry problem

by:
Q: The graph of which of the following equations is a straight line...

4 EXPERT REPLIES Sun Sep 03, 2017 8:56 am

by: Admin1 View latest post

2 men and 3 women are lined up in a row. What is the number

by:
2 men and 3 women are lined up in a row. What is the number of cases...

4 EXPERT REPLIES Sun Sep 03, 2017 6:01 am

by: Brent@GMATPrepNow View latest post

cube

by:
The entire exterior of a large wooden cube is painted red and then...

3 EXPERT REPLIES Sun Sep 03, 2017 5:53 am

by: Brent@GMATPrepNow View latest post

If a certain coin is flipped

by:
If a certain coin is flipped, the probability that the coin will land...

2 EXPERT REPLIES Sun Sep 03, 2017 3:45 am

by: Jay@ManhattanReview View latest post

Quant question

by:
Can you please help me solve this Person A and B started in the same...

6 EXPERT REPLIES Sun Sep 03, 2017 2:56 am

by: danielle07 View latest post

Average Problem

by:
The average age of 40 women decreases by 1/8th of a year when one of...

6 EXPERT REPLIES Sun Sep 03, 2017 2:50 am

by: danielle07 View latest post

Mary passed a certain gas station

by:
Mary passed a certain gas station on a highway while travelling west...

3 EXPERT REPLIES Sat Sep 02, 2017 10:11 pm

by: rsarashi View latest post

Word problem.................GMAT Exam Pack 2

by:
Of 120 hotel rooms rented one night, some were suits rented for $115...

2 EXPERT REPLIES Sat Sep 02, 2017 2:04 pm

by: Admin1 View latest post

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