## Search found 132 matches

#### How many positive integers less than 1000 have exactly 5 positive divisors?

##### Re: How many positive integers less than 1000 have exactly 5 positive divisors?

How many positive integers less than 1000 have exactly 5 positive divisors? (A) 3 (B) 4 (C) 5 (D) 6 (E) 7 Answer: A Source: www.gmatprepnow.com We need total factors to be exactly $$5$$ Hence if we can raise a prime number to 4 such that it's value remains under 1000 then we have our answer. $$\ 2^... by gmatter2012 Sun Oct 30, 2022 8:15 am Forum: Problem Solving Topic: How many positive integers less than 1000 have exactly 5 positive divisors? Replies: 2 Views: 355 #### The equation (x² + 6x + 9)² - (x² - 6x + 9)² = 0 has how many distinct solutions? ###### Problem Solving ##### Re: The equation (x² + 6x + 9)² - (x² - 6x + 9)² = 0 has how many distinct solutions? [email protected] wrote: Sun Oct 30, 2022 6:28 am The equation (x² + 6x + 9)² - (x² - 6x + 9)² = 0 has how many distinct solutions? (A) Zero (B) One (C) Two (D) Three (E) Four Answer: B Source: www.gmatprepnow.com \({\left(x+3\right)^2}-{\left(x-3\right)^2}=0$$
$$(x+3+x-3)(x+3-x-3)=0$$
$$2x=0$$
$$x=0$$

Ans B

#### Two line l and k intersect at a point (4, 3). Is the product of their slopes -1?

##### Re: Two line l and k intersect at a point (4, 3). Is the product of their slopes -1?

Ans should be C and NOT B as presently given

https://www.manhattanprep.com/gmat/foru ... -t882.html

#### A lawyer charges her clients $$\200$$ for the first hour of her time and $$\150$$ for each additional hour. If the

##### Re: A lawyer charges her clients $$\200$$ for the first hour of her time and $$\150$$ for each additional hour. If the

kindly post the question correctly . Option A is 155 not 150 !
https://gmatclub.com/forum/a-lawyer-cha ... 07627.html

#### None of the typical physical properties, such as color, hardness, and melting point, of the

##### Re: None of the typical physical properties, such as color, hardness, and melting point, of the

None of the typical physical properties, such as color, hardness, and melting point, of the element Astatine (At) is known because, due to its high radioactivity, it almost immediate decays into something else. (A) known because, due to its high radioactivity, it almost immediately decays into some...

#### The monthly fee for a certain cellular telephone plan is $0.25 per minute for the first 200 minutes of calling time, ###### Data Sufficiency ##### Re: The monthly fee for a certain cellular telephone plan is$0.25 per minute for the first 200 minutes of calling time,

The monthly fee for a certain cellular telephone plan is $0.25 per minute for the first 200 minutes of calling time, plus$0.50 for each minute above 200 minutes. Was the fee for June less than \$60 ? (1) Calling time for June was 180 minutes. (2) For 460 minutes of calling time, the fee would be fo...

#### two strings have equal length. One of the strings is shaped, with no overlap, into a circle. The other string is shaped,

##### Re: Is $$|x| = y + z?$$

Correct answer should be C Not E .

https://gmatclub.com/forum/is-x-y-z-1-x ... 84821.html

by gmatter2012

Mon Sep 13, 2021 8:37 pm
Forum: Data Sufficiency
Topic: Is $$|x| = y + z?$$
Replies: 2
Views: 221

#### In a retail store, the average (arithmetic mean) sale for month $$M$$ was $$d$$ dollars. Was the average (arithmetic mea

##### Re: In a retail store, the average (arithmetic mean) sale for month $$M$$ was $$d$$ dollars. Was the average (arithmetic

In a retail store, the average (arithmetic mean) sale for month $$M$$ was $$d$$ dollars. Was the average (arithmetic mean) sale for month $$J$$ at least $$20$$ percent higher than that for month $$M?$$ (1) For month $$M,$$ total revenue from sales was $$\3,500.$$ (2) For month $$J,$$ total revenue...

#### Overlapping sets

##### Re: Overlapping sets

Of the employees in Company X, 95% have desktop computers, 75% have both desktop and laptop, and 60% have both desktop amd PDA. At lease what percent of the employees in the company have all of the three kinds of devices. a) 33% b) 35% c) 37% d) 40% e) 60% OA after discussion. Solution: Let x be th...

by gmatter2012

Wed Mar 03, 2021 8:14 am
Forum: Problem Solving
Topic: Overlapping sets
Replies: 3
Views: 1093

#### There’s a party in town and Mike can’t decide what to wear. However, he has decided to follow the following: 1. He will

##### Re: There’s a party in town and Mike can’t decide what to wear. However, he has decided to follow the following: 1. He w

There’s a party in town and Mike can’t decide what to wear. However, he has decided to follow the following: 1. He will wear tie and shoes. 2. He may or may not wear socks. Mike has 33 ties, 44 pairs of shoes, and 55 pairs of socks. In how many ways can Mike dress for the party? A) 12 B) 60 C) 72 D...

#### Elizabeth spends a total of 65 cents on postage stamps. She buys only stamps with face values of 5 cents and 10 cents...

##### Re: Elizabeth spends a total of 65 cents on postage stamps. She buys only stamps with face values of 5 cents and 10 cent

Princeton Review Elizabeth spends a total of 65 cents on postage stamps. She buys only stamps with face values of 5 cents and 10 cents. How many cents stamps does she buy? 1) She spends 50 cents on envelopes 2) She buys a total of 8 stamps OA B Please complete the question, it should read " Ho...

#### If $$5(x+y)=125$$ and $$3(x-3y)=19,$$ then $$y =$$

##### Re: If $$5(x+y)=125$$ and $$3(x-3y)=19,$$ then $$y =$$

If $$5(x+y)=125$$ and $$3(x-3y)=19,$$ then $$y =$$ A. $$-\dfrac52$$ B. $$\dfrac14$$ C. $$\dfrac12$$ D. $$\dfrac52$$ E. $$\dfrac54$$ Answer: E Source: Magoosh This question is wrong at so many levels Here is the proper question https://gmatclub.com/forum/if-5-x-y-125-and-3-x-3y-1-9-then-y-274201.html

by gmatter2012

Mon Nov 16, 2020 5:19 am
Forum: Problem Solving
Topic: If $$5(x+y)=125$$ and $$3(x-3y)=19,$$ then $$y =$$
Replies: 2
Views: 360

#### Helen mixes a first solution, 4 liters of 40% concentrated sulfuric acid solution,

##### Re: Helen mixes a first solution, 4 liters of 40% concentrated sulfuric acid solution,

Helen mixes a first solution, 4 liters of 40% concentrated sulfuric acid solution, with a second solution, 5 liters of a sulfuric acid solution with a stronger concentration, and the resultant solution is 9 liters of 50% concentrated sulfuric acid solution. What was the concentration, as a percent,...