## 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,...

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

##### 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 ?

##### 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...

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

##### 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 ...

#### 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

##### 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,...

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

##### 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 ...

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

##### 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

#### What is the value of the positive integer $$m?$$

##### 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

##### 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...

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

##### 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 ...

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

##### 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?
Replies: 1
Views: 111

#### What distance did Jane travel?

##### 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

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

##### 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 ...