## Search found 15958 matches

#### The average salary of 15 people in the shipping department at a certain firm is $20,000. The salary of 5 of the

###### Problem Solving

##### Re: The average salary of 15 people in the shipping department at a certain firm is $20,000. The salary of 5 of the

Source: Official Guide The average salary of 15 people in the shipping department at a certain firm is $20,000. The salary of 5 of the employees is $25,000 each and the salary of 4 of the employees is $16,000 each. What is the average salary of the remaining employees? A. $19,250 B. $18,500 C. $18,...

- by [email protected]

Thu Jan 27, 2022 6:42 am- Forum: Problem Solving
- Topic: The average salary of 15 people in the shipping department at a certain firm is $20,000. The salary of 5 of the
- Replies:
**1** - Views:
**17**

##### Re: If z is an integer, is z even?

If z is an integer, is z even? (1) z/2 is even. (2) 3z is even. OA D Source: Manhattan Prep Target question : Is z an even integer? Aside: Integer n is even if we can express n as n = 2k for some integer k Statement 1 : z/2 is an even integer. This means z/2 =2k for some integer k Multiply both sid...

- by [email protected]

Wed Jan 26, 2022 7:33 am- Forum: Data Sufficiency
- Topic: If z is an integer, is z even?
- Replies:
**1** - Views:
**49**

#### If d is the standard deviation x, y, and z, what is the standard deviation of x + 5, y + 5, z + 5 ?

###### Problem Solving

##### Re: If d is the standard deviation x, y, and z, what is the standard deviation of x + 5, y + 5, z + 5 ?

If d is the standard deviation x, y, and z, what is the standard deviation of x + 5, y + 5, z + 5 ? A. d B. 3d C. 15d D. d + 5 E. d + 15 OA A Source: GMAT Prep Adding the same value to each value in a set does not change the standard deviation of the set. So, the standard deviation of {x + 5, y + 5...

- by [email protected]

Wed Jan 26, 2022 7:28 am- Forum: Problem Solving
- Topic: If d is the standard deviation x, y, and z, what is the standard deviation of x + 5, y + 5, z + 5 ?
- Replies:
**1** - Views:
**52**

#### In planning for a trip, Joan estimated both the distance of the trip, in miles, and her average speed, in miles per hour

###### Data Sufficiency

##### Re: In planning for a trip, Joan estimated both the distance of the trip, in miles, and her average speed, in miles per

In planning for a trip, Joan estimated both the distance of the trip, in miles, and her average speed, in miles per hour. She accurately divided her estimated distance by her estimated average speed to obtain an estimate for the time, in hours, that the trip would take. Was her estimate within 0.5 ...

- by [email protected]

Tue Jan 25, 2022 6:33 am- Forum: Data Sufficiency
- Topic: In planning for a trip, Joan estimated both the distance of the trip, in miles, and her average speed, in miles per hour
- Replies:
**1** - Views:
**61**

#### Al and Ben are drivers for SD Trucking Company. One snowy day, Ben left SD at 8:00 a.m. heading east and Al left SD at

###### Problem Solving

##### Re: Al and Ben are drivers for SD Trucking Company. One snowy day, Ben left SD at 8:00 a.m. heading east and Al left SD

Official Guide Al and Ben are drivers for SD Trucking Company. One snowy day, Ben left SD at 8:00 a.m. heading east and Al left SD at 11:00 a.m. heading west. At a particular time later that day, the dispatcher retrieved data from SD’s vehicle tracking system. The data showed that, up to that time,...

- by [email protected]

Tue Jan 25, 2022 6:32 am- Forum: Problem Solving
- Topic: Al and Ben are drivers for SD Trucking Company. One snowy day, Ben left SD at 8:00 a.m. heading east and Al left SD at
- Replies:
**1** - Views:
**48**

#### What is the probability of rolling three six-sided dice, and getting a different number on each die?

###### Problem Solving

##### Re: What is the probability of rolling three six-sided dice, and getting a different number on each die?

What is the probability of rolling three six-sided dice, and getting a different number on each die? A. 1/12 B. 1/3 C. 4/9 D. 5/9 E. 7/18 OA D Source: Magoosh P(getting a different number on each die) = P(1st roll is ANY number AND 2nd roll is different from 1st roll AND 3rd roll is different from ...

- by [email protected]

Mon Jan 24, 2022 7:12 am- Forum: Problem Solving
- Topic: What is the probability of rolling three six-sided dice, and getting a different number on each die?
- Replies:
**1** - Views:
**77**

##### Re: How many men are in a certain company's vanpool program?

How many men are in a certain company's vanpool program? (1) The ratio of men to women in the program is 3 to 2. (2) The men and women in the program fill 6 vans. Answer: E Source: Official Guide Target question : How many men are in a certain company's vanpool program? Statement 1 : The ratio of m...

- by [email protected]

Sun Jan 23, 2022 7:38 am- Forum: Data Sufficiency
- Topic: How many men are in a certain company's vanpool program?
- Replies:
**1** - Views:
**67**

##### Re: What is the value of the positive integer \(m?\)

What is the value of the positive integer \(m?\) (1) When \(m\) is divided by \(6,\) the remainder is \(3.\) (2) When \(15\) is divided by \(m,\) the remainder is \(6.\) Answer: B Source: GMAT Prep When it comes to remainders, we have a nice rule that says: If N divided by D, leaves remainder R, th...

- by [email protected]

Sun Jan 23, 2022 7:37 am- Forum: Data Sufficiency
- Topic: What is the value of the positive integer \(m?\)
- Replies:
**1** - Views:
**54**

#### Dave’s quiz scores are 60, 90, and 80. What is the score Dave would need on his next quiz to increase his overall averag

###### Problem Solving

##### Re: Dave’s quiz scores are 60, 90, and 80. What is the score Dave would need on his next quiz to increase his overall av

Dave’s quiz scores are 60, 90, and 80. What is the score Dave would need on his next quiz to increase his overall average score to 82? A. 92 B. 94 C. 96 D. 98 E. 100 D Source: Manhattan GMAT After the next quiz, Dave will have taken 4 quizzes. If the average of those 4 quizzes is 82, then it must b...

- by [email protected]

Sun Jan 23, 2022 7:33 am- Forum: Problem Solving
- Topic: Dave’s quiz scores are 60, 90, and 80. What is the score Dave would need on his next quiz to increase his overall averag
- Replies:
**1** - Views:
**65**

#### Sid intended to type a seven-digit number, but the two 3's he meant to type did not appear. What appeared instead was

###### Problem Solving

##### Re: Sid intended to type a seven-digit number, but the two 3's he meant to type did not appear. What appeared instead wa

Sid intended to type a seven-digit number, but the two 3's he meant to type did not appear. What appeared instead was the five-digit number 52115. How many different seven-digit numbers could Sid have meant to type? A. 10 B. 16 C. 21 D. 24 E. 27 OA C Source: Magoosh There are two possible cases to ...

- by [email protected]

Thu Jan 20, 2022 7:04 am- Forum: Problem Solving
- Topic: Sid intended to type a seven-digit number, but the two 3's he meant to type did not appear. What appeared instead was
- Replies:
**1** - Views:
**85**

##### Re: If x < y, which of the following must be true?

If x < y, which of the following must be true? (A) x < y^2 (B) x^2 < y (C) x^2 < y^2 (D) (x – y)^2 > 0 (E) x^3 > y If x < y, then we can also conclude that x ≠ y. If x ≠ y, then we can be certain that x - y ≠ 0 If x - y ≠ 0, then we can be certain that (x – y)^2 > 0 Answer: D ASIDE: Another approac...

- by [email protected]

Wed Jan 19, 2022 9:44 am- Forum: Problem Solving
- Topic: If x < y, which of the following must be true?
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**111**

##### Re: What distance did Jane travel?

What distance did Jane travel? (1) Bill traveled 40 miles in 40 minutes. (2) Jane traveled at the same average rate as Bill. Answer: E Source: Official Guide Target question : What distance did Jane travel? Statement 1 : Bill traveled 40 miles in 40 minutes. No info about Jane Statement 1 is NOT SU...

- by [email protected]

Mon Jan 17, 2022 8:07 am- Forum: Data Sufficiency
- Topic: What distance did Jane travel?
- Replies:
**1** - Views:
**86**

#### At what simple annual interest rate must \(\$2,500\) be invested if it is to earn \(\$225\) in interest in one year?

###### Problem Solving

##### Re: At what simple annual interest rate must \(\$2,500\) be invested if it is to earn \(\$225\) in interest in one year?

At what simple annual interest rate must \(\$2,500\) be invested if it is to earn \(\$225\) in interest in one year? (A) \(6\%\) (B) \(7\%\) (C) \(8\%\) (D) \(9\%\) (E) \(10\%\) Answer: D Source: GMAT Prep Let x = the PERCENT annual interest rate So, we want: x percent of $2,500 = 225 Rewrite as: x...

- by [email protected]

Sat Jan 15, 2022 7:56 am- Forum: Problem Solving
- Topic: At what simple annual interest rate must \(\$2,500\) be invested if it is to earn \(\$225\) in interest in one year?
- Replies:
**1** - Views:
**145**

#### A certain computer company produces two different monitors, P and Q. In 2010, what was the net profit from the sale of

###### Data Sufficiency

##### Re: A certain computer company produces two different monitors, P and Q. In 2010, what was the net profit from the sale

Source: Official Guide A certain computer company produces two different monitors, P and Q. In 2010, what was the net profit from the sale of the two monitors? 1) Of the company's expenses in 2010, rent and utilities totaled $500,000 2) In 2010, the company sold 50,000 units of monitor P at $300 pe...

- by [email protected]

Thu Jan 13, 2022 9:47 am- Forum: Data Sufficiency
- Topic: A certain computer company produces two different monitors, P and Q. In 2010, what was the net profit from the sale of
- Replies:
**1** - Views:
**134**

#### In a certain history class of 17 juniors and seniors, each junior has written 2 book reports and each senior has written

###### Problem Solving

##### Re: In a certain history class of 17 juniors and seniors, each junior has written 2 book reports and each senior has wri

In a certain history class of 17 juniors and seniors, each junior has written 2 book reports and each senior has written 3 book reports. If the 17 students have written a total of 44 book reports, how many juniors are in the class? A. 7 B. 8 C. 9 D. 10 E. 11 Answer: A Source: Official Guide Here's ...

- by [email protected]

Thu Jan 13, 2022 8:31 am- Forum: Problem Solving
- Topic: In a certain history class of 17 juniors and seniors, each junior has written 2 book reports and each senior has written
- Replies:
**1** - Views:
**120**