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Problem Solving

Topics Posts Last Post

The product of the first twelve positive integers is

by:
The product of the first twelve positive integers is divisible by all...

2 EXPERT REPLIES Thu Jul 19, 2018 4:26 pm

by: Scott@TargetTestPrep View latest post

GMAT Official Guide 2019 (1/2 - 1/3) + (1/3-1/4)

by:
$$\left(\frac{1}{2}-\frac{1}{3}\right)+\left(\frac{1}{3}-\frac{1}{4}\r...

3 EXPERT REPLIES Thu Jul 19, 2018 4:25 pm

by: Scott@TargetTestPrep View latest post

What is the probability that a 3-digit positive integer

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What is the probability that a 3-digit positive integer picked at...

4 EXPERT REPLIES Thu Jul 19, 2018 4:24 pm

by: Scott@TargetTestPrep View latest post

Patrick purchased 80 pencils and sold them at a loss equa

by:
Patrick purchased 80 pencils and sold them at a loss equal to the...

4 EXPERT REPLIES Thu Jul 19, 2018 4:23 pm

by: Scott@TargetTestPrep View latest post

<x> is the largest integer less than or equal to x and

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< x > is the largest integer less than or equal to x and is the...

4 EXPERT REPLIES Thu Jul 19, 2018 4:22 pm

by: Scott@TargetTestPrep View latest post

There are 4 bottles with the same number balls

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There are 4 bottles with the same number balls m respectively. If...

3 EXPERT REPLIES Thu Jul 19, 2018 4:21 pm

by: Scott@TargetTestPrep View latest post

If x < 12, then it must be true that

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If x < 12, then it must be true that (A) -x < -12 (B) -x - 2...

3 EXPERT REPLIES Thu Jul 19, 2018 4:21 pm

by: Scott@TargetTestPrep View latest post

If 8x=2^y what is the value of x, in terms of y?

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If 8x=2^y what is the value of x, in terms of y? $$A.\ x=2^{3y-2}\ $$...

3 EXPERT REPLIES Thu Jul 19, 2018 4:20 pm

by: Scott@TargetTestPrep View latest post

A certain marathon had 20,000 entrants, 52% of which were

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A certain marathon had 20,000 entrants, 52% of which were female and...

4 EXPERT REPLIES Thu Jul 19, 2018 11:42 am

by: Scott@TargetTestPrep View latest post

If the sequence {An } satisfies An = An-1 - An-2, A1 = 0, an

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If the sequence {A n } satisfies A n = A n-1 - A n-2 , A 1 = 0, and A...

3 EXPERT REPLIES Thu Jul 19, 2018 11:41 am

by: Scott@TargetTestPrep View latest post

If n is the product of 5 different prime numbers, how many f

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If n is the product of 5 different prime numbers, how many factors...

2 EXPERT REPLIES Thu Jul 19, 2018 11:41 am

by: Scott@TargetTestPrep View latest post

Geometry

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A soda can, in the shape of a right circular cylinder, is 3/4 full of...

3 EXPERT REPLIES Thu Jul 19, 2018 11:39 am

by: Scott@TargetTestPrep View latest post

If a rectangle with length sqrt{a} units and width sqrt{b}

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If a rectangle with length $\sqrt{a}$ units and width $\sqrt{b}$...

4 EXPERT REPLIES Thu Jul 19, 2018 5:51 am

by: ceilidh.erickson View latest post

(x - 1)^2 = 400 -> ?? Positive square root quesiton

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If (x - 1)^2 = 400, which of the following could be the value of x-5?...

4 EXPERT REPLIES Thu Jul 19, 2018 5:19 am

by: ceilidh.erickson View latest post

A certain characteristic in a large population has a distrib

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

2 EXPERT REPLIES Wed Jul 18, 2018 3:48 am

by: Max@Math Revolution View latest post

Wholesaler's profit

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A wholesaler bought 1,200 radios for $18 each. The wholesaler sold 60...

7 EXPERT REPLIES Tue Jul 17, 2018 7:00 pm

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

Lots of exponents

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Experts- Is there a fast way solve this without multiplying...

3 EXPERT REPLIES Tue Jul 17, 2018 3:45 pm

by: Jeff@TargetTestPrep View latest post

OG2015 PS If n is a

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If n is a positive integer, then n(n+1)(n+2) is (A) even only when n...

4 EXPERT REPLIES Tue Jul 17, 2018 3:45 pm

by: Jeff@TargetTestPrep View latest post

Was trying to plug in this one

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If 5 - 6/x = x, then x has how many possible values? (A) None (B) One...

4 EXPERT REPLIES Tue Jul 17, 2018 3:44 pm

by: Jeff@TargetTestPrep View latest post

OG2015 PS If 2/(1+(2/y)) then

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If 2/(1+(2/y)) then y = (A) -2 (B) -1/2 (C) 1/2 (D) 2 (E) 3 OA: D...

4 EXPERT REPLIES Tue Jul 17, 2018 3:43 pm

by: Jeff@TargetTestPrep View latest post

If 1/x - 1/(x+1) (OG16)

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If 1/x - 1/(x+1) = 1/(x+4), then x could be A) 0 B) -1 C) -2 D) -3 E)...

4 EXPERT REPLIES Tue Jul 17, 2018 3:42 pm

by: Jeff@TargetTestPrep View latest post

Resistors connected in parallel

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In an electric circuit, two resistors with resistances x and y are...

5 EXPERT REPLIES Tue Jul 17, 2018 3:41 pm

by: Jeff@TargetTestPrep View latest post

Time problem

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Q. A train travels from New York City to Chicago, a distance of...

7 EXPERT REPLIES Tue Jul 17, 2018 3:40 pm

by: Jeff@TargetTestPrep View latest post

If the diagonal of rectangle Z is d, and the perimeter

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If the diagonal of rectangle Z is d, and the perimeter of rectangle Z...

3 Tue Jul 17, 2018 8:17 am

by: regor60 View latest post

Total students

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Of the final grades received by the students in a certain math...

4 EXPERT REPLIES Mon Jul 16, 2018 9:15 pm

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

ratio of soap to alcohol to water

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Que from OG11 PS 196 196. The ratio, by volume, of soap to alcohol to...

5 EXPERT REPLIES Mon Jul 16, 2018 4:39 am

by: Karishma BL View latest post

The terms of the sequence {An} satisfy A2 - A1 = 2, A3 - A2

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The terms of the sequence {A n } satisfy A 2 - A 1 = 2, A 3 - A 2 = 5...

3 EXPERT REPLIES Sun Jul 15, 2018 5:47 am

by: Max@Math Revolution View latest post

OG prob 223 & 234

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223. Car A is 20 miles behind car B which is tralling in the same...

5 EXPERT REPLIES Sat Jul 14, 2018 6:43 pm

by: Jeff@TargetTestPrep View latest post

OG2016- PS 208

by:

5 EXPERT REPLIES Sat Jul 14, 2018 6:41 pm

by: Jeff@TargetTestPrep View latest post

TEST

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If 75 percent of a class answered the first question on a certain...

8 EXPERT REPLIES Sat Jul 14, 2018 6:40 pm

by: Jeff@TargetTestPrep View latest post

Increase?

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As x increases from 165 to 166, which of the following must increase?...

3 EXPERT REPLIES Sat Jul 14, 2018 6:38 pm

by: Jeff@TargetTestPrep View latest post

Inequalities - Values of x

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Which of the following describes all values of x for which 1-x^2 ≥...

5 EXPERT REPLIES Sat Jul 14, 2018 6:37 pm

by: Jeff@TargetTestPrep View latest post

MIllion VS Billion

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Last year, for every 100 million vehicles that traveled on a certain...

3 EXPERT REPLIES Sat Jul 14, 2018 6:35 pm

by: Jeff@TargetTestPrep View latest post

The average age of a class of 10 students is 15.

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The average age of a class of 10 students is 15. A year later, one...

3 EXPERT REPLIES Sat Jul 14, 2018 6:25 pm

by: Jeff@TargetTestPrep View latest post

Challenge: If line k passes through the points (48, 33) and

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If line k passes through the points (48, 33) and (31, 22), what is...

4 EXPERT REPLIES Sat Jul 14, 2018 6:24 pm

by: Jeff@TargetTestPrep View latest post

GMAT Official Guide 2019 During a recent storm, 9

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During a recent storm, 9 neighborhoods experienced power failures of...

3 EXPERT REPLIES Sat Jul 14, 2018 6:23 pm

by: Jeff@TargetTestPrep View latest post

GMAT Official Guide 2019 Greg assembles units of a certain

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Greg assembles units of a certain product at a factory. Each day he...

3 EXPERT REPLIES Sat Jul 14, 2018 6:22 pm

by: Jeff@TargetTestPrep View latest post

Rhoda tosses a coin 5 times. Find the probability of getting

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Rhoda tosses a coin 5 times. Find the probability of getting 4 heads....

3 EXPERT REPLIES Sat Jul 14, 2018 6:20 pm

by: Jeff@TargetTestPrep View latest post

In a survey it was found that 60% of those surveyed liked

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In a survey it was found that 60% of those surveyed liked honey and...

3 EXPERT REPLIES Sat Jul 14, 2018 6:20 pm

by: Jeff@TargetTestPrep View latest post

A factory that employs 1000 assembly line workers pays each

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A factory that employs 1000 assembly line workers pays each of these...

4 EXPERT REPLIES Sat Jul 14, 2018 6:18 pm

by: Jeff@TargetTestPrep View latest post

Bonds rated B have a 25% chance of default in five years.

by:
Bonds rated B have a 25% chance of default in five years. Bonds rated...

3 EXPERT REPLIES Sat Jul 14, 2018 6:17 pm

by: Jeff@TargetTestPrep View latest post

For a positive integer m, [m] is defined to be the remainder

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For a positive integer m, is defined to be the remainder when 7m is...

4 EXPERT REPLIES Sat Jul 14, 2018 6:15 pm

by: Jeff@TargetTestPrep View latest post

How many positive integers less than 30 have no

by:
How many positive integers less than 30 have no common prime factor...

3 EXPERT REPLIES Sat Jul 14, 2018 6:14 pm

by: Jeff@TargetTestPrep View latest post

Work Rate Problem - 3

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Tom, working alone, can paint a room in 6 hours. Peter and John,...

5 EXPERT REPLIES Sat Jul 14, 2018 6:03 pm

by: Jeff@TargetTestPrep View latest post

Health insurance Plan A requires the insured to pay $1000 or

by:
Health insurance Plan A requires the insured to pay $1000 or 50% of...

6 EXPERT REPLIES Sat Jul 14, 2018 9:58 am

by: Jeff@TargetTestPrep View latest post

How many three-digit passwords are possible on a home

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How many three-digit passwords are possible on a home security system...

2 EXPERT REPLIES Sat Jul 14, 2018 9:57 am

by: Jeff@TargetTestPrep View latest post

The “connection” between any two positive integers a and

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The “connection” between any two positive integers a and b is the...

2 EXPERT REPLIES Sat Jul 14, 2018 9:55 am

by: Jeff@TargetTestPrep View latest post

Anna and Carol buy CDs and tapes at a music store that sells

by:
Anna and Carol buy CDs and tapes at a music store that sells each of...

2 EXPERT REPLIES Sat Jul 14, 2018 9:13 am

by: Jeff@TargetTestPrep View latest post

There are three blue marbles, three red marbles, and three

by:
There are three blue marbles, three red marbles, and three yellow...

2 EXPERT REPLIES Sat Jul 14, 2018 8:19 am

by: Jeff@TargetTestPrep View latest post

Frieda walks 6 feet per second, a pace which is 1/3 as

by:
Frieda walks 6 feet per second, a pace which is 1/3 as fast as...

2 EXPERT REPLIES Sat Jul 14, 2018 8:17 am

by: Jeff@TargetTestPrep View latest post

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