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Problem Solving

Topics Posts Last Post

If s is the sum of all integers from 1 to 30, inclusive,

by:
If s is the sum of all integers from 1 to 30, inclusive, what is the...

2 EXPERT REPLIES Wed Aug 01, 2018 3:37 pm

by: Scott@TargetTestPrep View latest post

Maria's Car Trip

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Q: During a car trip, Maria stopped to rest after she traveled 1/2 of...

12 EXPERT REPLIES Wed Aug 01, 2018 3:26 pm

by: Scott@TargetTestPrep View latest post

typists working at the same rate

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If 20 typists can type 48 letters in 20 minutes, then how many...

7 EXPERT REPLIES Wed Aug 01, 2018 3:21 pm

by: Scott@TargetTestPrep View latest post

After each throw of a red die, the face that shows is marked

by:
After each throw of a red die, the face that shows is marked with a...

3 EXPERT REPLIES Tue Jul 31, 2018 10:17 am

by: swerve View latest post

Flight 501 is at an altitude of 6 miles

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At 7:57 am, Flight 501 is at an altitude of 6 miles above the ground...

3 Mon Jul 30, 2018 11:10 pm

by: alanforde800Maximus View latest post

The population of state X increases by 10 percent every 10 y

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The population of state X increases by 10 percent every 10 years. If...

2 EXPERT REPLIES Mon Jul 30, 2018 10:48 am

by: Jeff@TargetTestPrep View latest post

A jar contains 12 marbles consisting of an equal number of

by:
A jar contains 12 marbles consisting of an equal number of red,...

6 EXPERT REPLIES Mon Jul 30, 2018 10:47 am

by: Jeff@TargetTestPrep View latest post

Maxwell leaves his home and walks toward Brad's house at the

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Maxwell leaves his home and walks toward Brad's house at the same...

3 EXPERT REPLIES Mon Jul 30, 2018 10:43 am

by: Jeff@TargetTestPrep View latest post

A train travels from city A to city B. The average speed of

by:
A train travels from city A to city B. The average speed of the train...

2 EXPERT REPLIES Mon Jul 30, 2018 10:30 am

by: Jeff@TargetTestPrep View latest post

GMAT Official Guide 2019 If x is a positive integer

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If x is a positive integer and $$4^x$$-3=y, which of the following...

2 EXPERT REPLIES Mon Jul 30, 2018 10:30 am

by: Jeff@TargetTestPrep View latest post

What is the remainder when 7^8 is divided by 100?

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What is the remainder when 7^8 is divided by 100? A. 1 B. 2 C. 3 D. 4...

4 EXPERT REPLIES Mon Jul 30, 2018 10:27 am

by: Jeff@TargetTestPrep View latest post

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

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

3 EXPERT REPLIES Mon Jul 30, 2018 10:27 am

by: Jeff@TargetTestPrep View latest post

GMAT Official Guide 2019 Ron is 4 inches taller than

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Ron is 4 inches taller than Amy, and Barbara is 1 inch taller than...

5 EXPERT REPLIES Sun Jul 29, 2018 3:35 pm

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

GMAT Official Guide 2019 While a family was away on

by:
While a family was away on vacation, they paid a neighborhood boy $11...

5 EXPERT REPLIES Sun Jul 29, 2018 3:32 pm

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

Let abcd be a general four-digit number. How many odd four

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Let abcd be a general four-digit number. How many odd four-digits...

1 EXPERT REPLIES Sun Jul 29, 2018 3:12 am

by: GMATGuruNY View latest post

Triangle Problem 1

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The figure is made up of a series of inscribed equilateral...

3 EXPERT REPLIES Sat Jul 28, 2018 5:34 am

by: alanforde800Maximus View latest post

Challenge question: Which of the following is NOT a root...

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Which of the following is NOT a root of the equation (x² + x - 20)²...

1 EXPERT REPLIES Fri Jul 27, 2018 5:02 am

by: Brent@GMATPrepNow View latest post

If x and y are integers such that (xy)^2 + x^2 - 2xy - 2

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If x and y are integers such that (xy)^2 + x^2 - 2xy - 2x + 2 = 0,...

3 EXPERT REPLIES Thu Jul 26, 2018 11:40 pm

by: Max@Math Revolution View latest post

An integer n that is greater than 1 is said to be "prim

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An integer n that is greater than 1 is said to be...

1 EXPERT REPLIES Thu Jul 26, 2018 11:20 pm

by: Jay@ManhattanReview View latest post

ABC Car Company wants to manufacture a new car known as

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

2 EXPERT REPLIES Thu Jul 26, 2018 3:27 pm

by: Jeff@TargetTestPrep View latest post

If the ratio of the volumes of two right circular cylinders

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If the ratio of the volumes of two right circular cylinders is given...

2 EXPERT REPLIES Thu Jul 26, 2018 3:26 pm

by: Jeff@TargetTestPrep View latest post

A bus trip of 450 miles would have taken 1 hour less if the

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A bus trip of 450 miles would have taken 1 hour less if the average...

4 EXPERT REPLIES Thu Jul 26, 2018 3:25 pm

by: Jeff@TargetTestPrep View latest post

A piece of cardboard measures 30 cm by 40 cm. We can make tw

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A piece of cardboard measures 30 cm by 40 cm. We can make two...

3 EXPERT REPLIES Thu Jul 26, 2018 3:24 pm

by: Jeff@TargetTestPrep View latest post

For integers x and y, 25^(-10)*100^x=2^y. What is the valu

by:
For integers x and y, 25^(-10) * 100^x = 2^y. What is the value of y?...

4 EXPERT REPLIES Thu Jul 26, 2018 3:24 pm

by: Jeff@TargetTestPrep View latest post

When the positive integer x is divided by 11

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When the positive integer x is divided by 11, the quotient is y and...

5 EXPERT REPLIES Thu Jul 26, 2018 11:20 am

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

A taxi charges d dollars for the first two miles and c cents

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A taxi charges d dollars for the first two miles and c cents per...

3 EXPERT REPLIES Thu Jul 26, 2018 11:15 am

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

Challenge Question: the two lines are tangent to the circle

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The two lines are tangent to the circle. If AC = 10 and AB = 10√3,...

1 EXPERT REPLIES Thu Jul 26, 2018 5:54 am

by: Brent@GMATPrepNow View latest post

In how many ways can 6 chocolates be distributed among 3

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

1 EXPERT REPLIES Thu Jul 26, 2018 1:48 am

by: GMATGuruNY View latest post

There are 3 ways to make the number 12 using products of two

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There are 3 ways to make the number 12 using products of two positive...

2 EXPERT REPLIES Thu Jul 26, 2018 12:33 am

by: Max@Math Revolution View latest post

GMAT Official Guide 2019 A bicycle store purchased two

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A bicycle store purchased two bicycles, one for $250 and the other...

4 EXPERT REPLIES Wed Jul 25, 2018 4:45 pm

by: Jeff@TargetTestPrep View latest post

An instructor scored a student's test of 50 questions by

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An instructor scored a student’s test of 50 questions by...

2 EXPERT REPLIES Wed Jul 25, 2018 4:45 pm

by: Jeff@TargetTestPrep View latest post

What is the area of ∆ XYZ in terms of h?

by:
In triangle XYZ above, the length of XZ is 6/7 of the length of...

1 EXPERT REPLIES Wed Jul 25, 2018 4:44 pm

by: Jeff@TargetTestPrep View latest post

A contractor undertakes to do a job within 20 days and hires

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A contractor undertakes to do a job within 20 days and hires 60...

1 EXPERT REPLIES Wed Jul 25, 2018 4:43 pm

by: Jeff@TargetTestPrep View latest post

Probability that the birthdays of 6 different persons will

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Probability that the birthdays of 6 different persons will fall in...

2 EXPERT REPLIES Wed Jul 25, 2018 4:42 pm

by: Jeff@TargetTestPrep View latest post

A jar contains only x black balls and y white balls

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A jar contains only x black balls and y white balls. One ball is...

2 EXPERT REPLIES Wed Jul 25, 2018 4:40 pm

by: Jeff@TargetTestPrep View latest post

Machine A can produce 50 components a day while Machine B on

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Machine A can produce 50 components a day while Machine B only 40....

7 EXPERT REPLIES Wed Jul 25, 2018 4:38 pm

by: Jeff@TargetTestPrep View latest post

If a square's side is increased from 5 units long to 6 units

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If a square's side is increased from 5 units long to 6 units long,...

2 EXPERT REPLIES Wed Jul 25, 2018 4:34 pm

by: Jeff@TargetTestPrep View latest post

If there are fewer than 8 zeroes

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If there are fewer than 8 zeroes between the decimal point and the...

10 EXPERT REPLIES Wed Jul 25, 2018 4:34 pm

by: Jeff@TargetTestPrep View latest post

At the start of the day the amount of water in two identical

by:
At the start of the day the amount of water in two identical buckets...

3 EXPERT REPLIES Wed Jul 25, 2018 4:34 pm

by: Jeff@TargetTestPrep View latest post

The sum of the heights of two high-rises is x feet. If the

by:
The sum of the heights of two high-rises is x feet. If the first high...

2 EXPERT REPLIES Wed Jul 25, 2018 4:33 pm

by: Jeff@TargetTestPrep View latest post

How many positive integers less than 28 are prime numbers,

by:
How many positive integers less than 28 are prime numbers, odd...

2 EXPERT REPLIES Wed Jul 25, 2018 4:33 pm

by: Jeff@TargetTestPrep View latest post

Moe is 20% taller than Jane. If Moe is x inches tall, which

by:
Moe is 20% taller than Jane. If Moe is x inches tall, which of the...

3 EXPERT REPLIES Wed Jul 25, 2018 4:32 pm

by: Jeff@TargetTestPrep View latest post

The ratio of spinsters to cats is 2 to 7. If there are 25

by:
The ratio of spinsters to cats is 2 to 7. If there are 25 more cats...

4 EXPERT REPLIES Wed Jul 25, 2018 4:31 pm

by: Jeff@TargetTestPrep View latest post

If john makes a contribution to a charity fund at school

by:
If john makes a contribution to a charity fund at school, the average...

3 EXPERT REPLIES Wed Jul 25, 2018 4:28 pm

by: Jeff@TargetTestPrep View latest post

Bicyclist's round trip

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A bicyclist travels uphill from town A to town B for 2 hours at an...

7 EXPERT REPLIES Wed Jul 25, 2018 4:25 pm

by: Jeff@TargetTestPrep View latest post

If a solid metal cylinder with radius 3 and height 12 is mel

by:
If a solid metal cylinder with radius 3 and height 12 is melted and...

2 EXPERT REPLIES Wed Jul 25, 2018 9:26 am

by: swerve View latest post

OG Quant Review - PS - Q 103

by:
Hello All, I would like to listen to some comments and find alternate...

6 EXPERT REPLIES Tue Jul 24, 2018 8:28 am

by: Brent@GMATPrepNow View latest post

On a business trip, 30 percent of 60 sales representatives

by:
On a business trip, 30 percent of 60 sales representatives will be...

3 EXPERT REPLIES Mon Jul 23, 2018 11:12 pm

by: Karishma BL View latest post

Number Systems -Sequence and Series

by:
In a certain sequence, every term after the first is determined by...

3 EXPERT REPLIES Mon Jul 23, 2018 6:45 pm

by: GMATGuruNY View latest post

The number of defects in the first five cars to come through

by:
The number of defects in the first five cars to come through a new...

2 EXPERT REPLIES Mon Jul 23, 2018 5:35 pm

by: Scott@TargetTestPrep View latest post

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