Search found 16176 matches


Re: When positive integer x is divided by 20, the remainder is 8. What is the remainder when x is divided by 5?

When positive integer x is divided by 20, the remainder is 8. What is the remainder when x is divided by 5? A. 1 B. 3 C. 5 D. 8 E. Cannot be determined OA B Source: Veritas Prep There's a nice rule that say, " If N divided by D equals Q with remainder R, then N = DQ + R " For example, since 17 divi...


Re: PS General Strategy?

Hey all, I wanted to see if anyone had a general approach worked out for PS. This site had an interesting article the other day about two hypothetical high scorers who had a general approach for PS problems. I have an approach for DS and SC, but not PS. Currently, I read the problem, and an approac...

by [email protected]

Wed Jan 18, 2023 7:06 am
Forum: Problem Solving
Topic: PS General Strategy?
Replies: 2
Views: 772

Re: A contractor combined x tons of a gravel mixture that contained 10 percent gravel G, by weight, with y tons of a mix

A contractor combined x tons of a gravel mixture that contained 10 percent gravel G, by weight, with y tons of a mixture that contained 2 percent gravel G, by weight, to produce z tons of a mixture that was 5 percent gravel G, by weight. What is the value of x ? (1) y = 10 (2) z = 16 OA D Source: G...


Re: At a family summer party, each of the x members of the family chose whether or not to have a hamburger and whether o

At a family summer party, each of the x members of the family chose whether or not to have a hamburger and whether or not to have a hotdog. If 1/3 chose to have a hamburger, and of those 1/7 chose to also have a hotdog, then how many family members chose NOT to have both. A. x/21 B. x/10 C. 9x/10 D...


Re: If there are more than two numbers in a certain list, is each of the numbers in the list equal to 0?

If there are more than two numbers in a certain list, is each of the numbers in the list equal to 0? (1) The product of any two numbers in the list is equal to 0. (2) The sum of any two numbers in the list is equal to 0. OA B Source: GMAT Prep Target question : Is each of the numbers n the list equ...


Re: A poplar tree was 3 feet high when it was planted on January 1, 1970. During what year did it pass the height of 20

A poplar tree was 3 feet high when it was planted on January 1, 1970. During what year did it pass the height of 20 feet? (1) On January 1, 1973, it was 24 feet high. (2) It doubled its height during each year. OA B Source: GMAT Prep Given : A poplar tree was 3 feet high when it was planted on Janu...


Re: If all the employees of a company fall into one and only one of 3 groups, X, Y, or Z, with 250, 100, and 20 members

If all the employees of a company fall into one and only one of 3 groups, X, Y, or Z, with 250, 100, and 20 members in each group, respectively, what is the average (arithmetic mean) weekly salary of all the employees of this company, if all employees are paid every week of the year? (1) The averag...


Re: Is m + z > 0?

Is m + z > 0? (1) m - 3z > 0 (2) 4z - m > 0 OA C Source: GMAT Prep Target question : Is m + z > 0? Statement 1 : m - 3z > 0 There are several values of m and z that satisfy statement 1. Here are two: Case a : m = 10 and z = 1. In this case, the answer to the target question is YES, m + n is greater...

by [email protected]

Tue Jan 03, 2023 7:20 am
Forum: Data Sufficiency
Topic: Is m + z > 0?
Replies: 1
Views: 43

Re: If S is a set of odd integers and 3 and –1 are in S, is –15 in S ?

If S is a set of odd integers and 3 and –1 are in S, is –15 in S ? (1) 5 is in S. (2) Whenever two numbers are in S, their product is in S. OA C Source: Official Guide Given : S is a set of odd integers and 3 and –1 are in S Target question : Is –15 in S ? Statement 1 : 5 is in S So far, set S look...


Re: Having received his weekly allowance, John spent 3/5 of his allowance at the arcade. The next day he spent one third

Having received his weekly allowance, John spent 3/5 of his allowance at the arcade. The next day he spent one third of his remaining allowance at the toy store, and then spent his last $0.80 at the candy store. What is John’s weekly allowance? A. $2.40 B. $3.00 C. $3.20 D. $3.60 E. $4.80 OA B Sour...


Re: If r and s are positive integers greater than 10, is r + s even?

If r and s are positive integers greater than 10, is r + s even? (1) r and s are prime numbers (2) r - s = 2 OA D Source: Manhattan Prep Given : r and s are positive integers greater than 10 Target question : Is r + s even? Statement 1 : r and s are prime numbers Key property: All prime numbers gre...


Re: A mountain resort will hold its annual one-day snowboarding competition if it snows on either Saturday or Sunday, bu

A mountain resort will hold its annual one-day snowboarding competition if it snows on either Saturday or Sunday, but if it does not snow at all it will not hold the event. If there is a 70% chance that it snows on any given day at the resort, what is the probability that the event will be held? A....


Re: Set P has n integers. What is the standard deviation of Set P? I. The range of Set P is equal to zero II. The mean

Set P has n integers. What is the standard deviation of Set P? I. The range of Set P is equal to zero II. The mean of Set P is equal to the median of Set P OA A Source: e-GMAT Given : Set P has n integers. Target question : What is the standard deviation of Set P? Statement 1 : The range of Set P i...


Re: For the students in class A, the range of their heights is r centimeters and the greatest height is g centimeters. F

For the students in class A, the range of their heights is r centimeters and the greatest height is g centimeters. For the students in class B, the range of their heights is s centimeters and the greatest height is h centimeters. Is the least height of the students in class A greater than the least...


Re: Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. Child A has to sit next to

Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. Child A has to sit next to both B & G, with these two children immediately adjacent to Child A on either side. The other four children can sit in any order in any of the remaining seats. How many possible configur...