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Problem Solving

Topics Posts Last Post

If 5 ≥ |x| ≥ 0, which of the following must be true?

by:
If 5 ≥ |x| ≥ 0, which of the following must be true? I. x ≥ 0...

2 EXPERT REPLIES Sun Oct 22, 2017 10:41 am

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

A certain archery target is made up of a series...

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A certain archery target is made up of a series of concentric circles...

1 EXPERT REPLIES Sun Oct 22, 2017 10:33 am

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

A dairy farmer has 3 different kinds...

by:
A dairy farmer has 3 different kinds of milk of quantities: 82...

1 EXPERT REPLIES Sun Oct 22, 2017 4:36 am

by: GMATGuruNY View latest post

The product (1-1/2)(1-1/3)(1-1/4)(1-1/5)...

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The product...

1 EXPERT REPLIES Sun Oct 22, 2017 3:57 am

by: GMATGuruNY View latest post

Bob plans to run south along the river

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After driving to a riverfront parking lot, Bob plans to run south...

1 EXPERT REPLIES Sun Oct 22, 2017 3:14 am

by: GMATGuruNY View latest post

The value of 12! is closest...

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The value of 12! is closest to: A. (10^6) B. 3(10^7) C. 5(10^8) D....

2 EXPERT REPLIES Sat Oct 21, 2017 1:25 pm

by: EconomistGMATTutor View latest post

500 PS section2 #20

by:
Hi, I thought the answer is B) but the answer on Wiki says D).... Can...

5 EXPERT REPLIES Sat Oct 21, 2017 10:53 am

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

Running at their respective constant rates, machine X takes

by:
Running at their respective constant rates, machine X takes 2 days...

4 EXPERT REPLIES Sat Oct 21, 2017 8:10 am

by: soudeh View latest post

Mark and Ann

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Mark and Ann together were allocated n boxes of cookies to sell for a...

1 EXPERT REPLIES Fri Oct 20, 2017 10:36 pm

by: GMATGuruNY View latest post

For which value of k does the following pair...

by:
For which value of k does the following pair of equations yield a...

1 EXPERT REPLIES Fri Oct 20, 2017 3:02 pm

by: EconomistGMATTutor View latest post

What is the number of three-digit multiples of 5 that are no

by:
What is the number of three-digit multiples of 5 that are not...

2 EXPERT REPLIES Fri Oct 20, 2017 2:30 pm

by: EconomistGMATTutor View latest post

Each of the integers from 0 to 9. . . .

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Each of the integers from 0 to 9, inclusive, is written on a separate...

2 EXPERT REPLIES Fri Oct 20, 2017 2:20 pm

by: EconomistGMATTutor View latest post

A foot race had 36 teams of a dozen runners each...

by:
A foot race had 36 teams of a dozen runners each. By noon, 4/9 of the...

2 EXPERT REPLIES Fri Oct 20, 2017 9:45 am

by: EconomistGMATTutor View latest post

What is the greatest prime factor...

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What is the greatest prime factor of $$49^{19}-7^{35}$$ A)2 B)3 C)7...

2 EXPERT REPLIES Fri Oct 20, 2017 9:08 am

by: EconomistGMATTutor View latest post

Last Year the price per share of...

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Last Year the price per share of Company A's stock on March 31 was 25...

1 EXPERT REPLIES Fri Oct 20, 2017 4:54 am

by: GMATGuruNY View latest post

What is the greatest value...

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What is the greatest value of integer n such that 5^n is a factor of...

1 EXPERT REPLIES Fri Oct 20, 2017 4:47 am

by: GMATGuruNY View latest post

If X is the set of prime...

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If X is the set of prime single-digit numbers and Y is a set...

1 EXPERT REPLIES Thu Oct 19, 2017 7:40 am

by: DavidG@VeritasPrep View latest post

How many positive integers...

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How many positive integers, from 1 to 100, inclusive, are not...

1 EXPERT REPLIES Thu Oct 19, 2017 7:34 am

by: DavidG@VeritasPrep View latest post

What is the perimeter...

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What is the perimeter of a square with area 9p^2/16 ? A. 3p/4 B....

3 EXPERT REPLIES Wed Oct 18, 2017 8:28 pm

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

The number of n satisfying

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The number of n satisfying -n+2≥0 and 2n≤5 is A. 0 B. 1 C. 2 D. 3...

2 EXPERT REPLIES Wed Oct 18, 2017 9:14 am

by: EconomistGMATTutor View latest post

Let f(x) denotes the sum of...

by:
Let f(x) denotes the sum of the digits of the positive integer x. For...

1 EXPERT REPLIES Tue Oct 17, 2017 7:40 pm

by: EconomistGMATTutor View latest post

Set X consists of all two-digit primes and set Y

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Set X consists of all two-digit primes and set Y consists of all...

3 EXPERT REPLIES Tue Oct 17, 2017 12:27 pm

by: EconomistGMATTutor View latest post

A straight picket fence is composed of x pickets each of whi

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A straight picket fence is composed of x pickets each of which is 1/2...

3 EXPERT REPLIES Tue Oct 17, 2017 11:36 am

by: EconomistGMATTutor View latest post

If each of the following fractions...

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If each of the following fractions were written as a decimal, which...

2 EXPERT REPLIES Tue Oct 17, 2017 10:04 am

by: EconomistGMATTutor View latest post

Which of the following numbers

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Which of the following numbers has the greatest number of distinct...

2 EXPERT REPLIES Mon Oct 16, 2017 2:30 pm

by: EconomistGMATTutor View latest post

In a sequence a1,a2,a3,…

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In a sequence a1,a2,a3,…, each term after the first is found by...

2 EXPERT REPLIES Mon Oct 16, 2017 1:25 pm

by: EconomistGMATTutor View latest post

The function f is defined for all

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The function f is defined for all positive integers n by the...

1 EXPERT REPLIES Mon Oct 16, 2017 12:40 pm

by: EconomistGMATTutor View latest post

OG 18, question-166

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A certain characteristic in a large population has a distribution...

2 EXPERT REPLIES Mon Oct 16, 2017 6:05 am

by: Brent@GMATPrepNow View latest post

disease, it's too hard.

by:
A terrible disease sweeps around the world, luckily only affecting 1...

1 EXPERT REPLIES Mon Oct 16, 2017 3:22 am

by: GMATGuruNY View latest post

500 PS #5

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Hello The answer is E) but my answer for French fries was $1.62.......

6 EXPERT REPLIES Sun Oct 15, 2017 2:31 pm

by: EconomistGMATTutor View latest post

500 PS section2 #12

by:
Hi, My answer was A, but the correct answer is C) (so, obviously my...

4 EXPERT REPLIES Sun Oct 15, 2017 2:08 pm

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

Arithmetic- roots

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√98+√72= A. √170 B. √232 C. √286 D. √338 E. √420 oa is...

4 EXPERT REPLIES Sun Oct 15, 2017 1:57 pm

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

root

by:
E: 9 $$\sqrt {\frac{\left(99^2+101^2\right)}{2}-1}$$ A: 15 B: 12 C:...

3 EXPERT REPLIES Sun Oct 15, 2017 1:48 pm

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

Algebra

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If $$\left(3+a\right)\left(\frac{a}{10}-0.4\right)=-1$$ , then a...

3 EXPERT REPLIES Sun Oct 15, 2017 1:43 pm

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

please explain gmat prep question

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from a bag containing 12 identical balls, y identical yellow balls...

3 EXPERT REPLIES Sun Oct 15, 2017 1:01 pm

by: Brent@GMATPrepNow View latest post

percent, interest and word problems

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Jane's investment of $200 increased by 200% in 7 years when...

1 EXPERT REPLIES Sun Oct 15, 2017 12:01 pm

by: DavidG@VeritasPrep View latest post

500 PS #20

by:
Hi, I thought the answer is B) but turned out to be A) - Can anyone...

3 EXPERT REPLIES Sun Oct 15, 2017 10:40 am

by: Brent@GMATPrepNow View latest post

Each of the integers from 0 to 9

by:
Each of the integers from 0 to 9, inclusive, is written on a separate...

2 EXPERT REPLIES Sun Oct 15, 2017 5:56 am

by: Brent@GMATPrepNow View latest post

In a certain economy, C represents the total amount of con

by:
In a certain economy, C represents the total amount of consumption in...

4 EXPERT REPLIES Sat Oct 14, 2017 11:39 am

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

ABC Car Company wants to manufacture a new car known a

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ABC Car Company wants to manufacture a new car known as Model X, and...

3 EXPERT REPLIES Sat Oct 14, 2017 11:30 am

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

Two distinct numbers a and b are chosen

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Two distinct numbers a and b are chosen randomly from the set of...

1 EXPERT REPLIES Sat Oct 14, 2017 11:21 am

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

Barbara has 8 shirts and 9 pants. How many clothing combinat

by:
Barbara has 8 shirts and 9 pants. How many clothing combinations does...

4 EXPERT REPLIES Sat Oct 14, 2017 7:20 am

by: BTGmoderatorAT View latest post

Find the sum of all the four digit numbers which are formed

by:
Find the sum of all the four digit numbers which are formed by digits...

8 EXPERT REPLIES Sat Oct 14, 2017 7:06 am

by: BTGmoderatorAT View latest post

How to solve this?

by:
1/9+1/99+1/999+1/9999+1/99999+... =A How to solve A?

1 EXPERT REPLIES Sat Oct 14, 2017 6:18 am

by: Brent@GMATPrepNow View latest post

Alan has split his savings equally into two accounts.

by:
Alan has split his savings equally into two accounts. The first one...

2 EXPERT REPLIES Sat Oct 14, 2017 2:32 am

by: GMATGuruNY View latest post

What is the remainder when 7^74 - 5^74 is divided by 24?

by:
What is the remainder when 7^74 - 5^74 is divided by 24? A. 0 B. 1 C....

3 EXPERT REPLIES Fri Oct 13, 2017 11:30 am

by: Matt@VeritasPrep View latest post

The “primeness”

by:
The “primeness” of a positive integer x is defined as the...

4 EXPERT REPLIES Fri Oct 13, 2017 10:56 am

by: EconomistGMATTutor View latest post

Lines y=√3x-2 and y=2√3x-5

by:
Lines $$y=\sqrt{3}x-2\ and\ y=\sqrt{3}x-5$$ intersect at what height...

1 EXPERT REPLIES Fri Oct 13, 2017 8:33 am

by: EconomistGMATTutor View latest post

The sum of the squares of three numbers is 138, while the

by:
The sum of the squares of three numbers is 138, while the sum of...

5 EXPERT REPLIES Fri Oct 13, 2017 7:15 am

by: DavidG@VeritasPrep View latest post

Remainder

by:
A number when divided by 5 gives a number which is 8 more than the...

2 EXPERT REPLIES Thu Oct 12, 2017 9:28 pm

by: Matt@VeritasPrep View latest post

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