Search found 16066 matches


Re: If x^2 < x, then x must be

If x^2 < x, then x must be A. less than 0 B. equal to 0 C. between 0 and 1 D. equal to 1 E. greater than 1 OA C Source: GMAT Prep Given: x² < x Subtract x from both sides to get: x² - x < 0 Factor: x(x - 1) < 0 We can already see that, when x = 0, we get: 0(0 - 1) < 0 , which results in 0 < 0 , whi...

by [email protected]

Sun May 15, 2022 10:25 am
Forum: Problem Solving
Topic: If x^2 < x, then x must be
Replies: 1
Views: 118

Re: If the average of ten numbers is 10, then which of the following could be the standard deviation of the ten numbers?

If the average of ten numbers is 10, then which of the following could be the standard deviation of the ten numbers? I. 0 II. 10 III. 20 A. I only B. I and II C. I and III D. II and III E. I, II, and III OA E Source: Princeton Review First recognize that, if all 10 numbers are 10 to get the set {10...


Re: Surface Area

What fraction part of the total surface area of cube C is red? (1) Each of 3 faces of C is exactly 1/2 red. (2) Each of 3 faces of C is entirely white. Target question : What fractional part of the total surface area of cube C is red Statement 1 : Each of 3 faces of C is exactly 1/2 red Since we ha...

by [email protected]

Mon May 09, 2022 10:42 am
Forum: Data Sufficiency
Topic: Surface Area
Replies: 3
Views: 934

Re: ratio problem with rats...

hello everybody, can sombody help me wit this task? Actually I thought it´s easy, but I don´t get the answer... Forty percent of the rats included in an experiment were male rats. If half of the rats died during the experiment and 30 percent of the rats that died were male rats, what was the ratio ...

by [email protected]

Mon May 09, 2022 10:20 am
Forum: Problem Solving
Topic: ratio problem with rats...
Replies: 2
Views: 1149

Re: If s is an integer, is 24 a divisor of s ?

If s is an integer, is 24 a divisor of s ? (1) Each of the numbers 3 and 8 is a divisor of s. (2) Each of the numbers 4 and 6 is a divisor of s. OA A Source: Official Guide ------ASIDE---------------------------- A lot of integer property questions can be solved using prime factorization. For q...

by [email protected]

Mon May 02, 2022 7:00 am
Forum: Data Sufficiency
Topic: If s is an integer, is 24 a divisor of s ?
Replies: 2
Views: 455

Re: A craftsperson made 126 ornaments and put them all into

A craftsperson made 126 ornaments and put them all into boxes. If each box contained either 6 ornaments or 24 ornaments, how many of the boxes contained 24 ornaments? (1) Fewer than 4 of the boxes contained 6 ornaments (2) More than 3 of the boxes contained 24 ornaments OA A Source: GMAT Prep Given...


Re: tricky

Q33: In Town X, 64 percent of the population are employed, and 48 percent of the population are employed males. What percent of the employed people in Town X are females? A. 16% B. 25% C. 32% D. 40% E. 52% OA: B Since the question is asking us to find a certain percent (and not a specific value), l...

by [email protected]

Mon May 02, 2022 6:46 am
Forum: Problem Solving
Topic: tricky
Replies: 9
Views: 6438

Re: For a certain set of numbers, if x is in the set, then x - 3

For a certain set of numbers, if x is in the set, then x - 3 is also in the set. If the number 1 is in the set , which of the following must also be in the set ? a) 4 b) -1 c) -5 A. a only, B. b only, C. c only, D. a and b only E. b and c only OA C Source: GMAT Prep Important: This IF-THEN statemen...


Re: Positive integer y is 50 percent of 50 percent of positive integer x, and y of x equals 100...

Official Guide Positive integer y is 50 percent of 50 percent of positive integer x, and y percent of x equals 100. What is the value of x? A. 50 B. 100 C. 200 D. 1000 E. 2000 OA C Positive integer y is 50 percent of 50 percent of positive integer x We can write: y = (50/100)(50/100)(x) Simplify: y...


Re: Identical blocks are stacked in rows to create a tower 24 rows tall. If the top row of the tower consists of four bl

Identical blocks are stacked in rows to create a tower 24 rows tall. If the top row of the tower consists of four blocks, and each row below the top row consists of eight more blocks than the row directly above it, how many blocks are in the entire tower? A. 2300 B. 2301 C. 2302 D. 2303 E. 2304 OA ...


Re: When positive integer x is divided by positive integer y, the quotient is 17 and the remainder is 3. When x is divid

When positive integer x is divided by positive integer y, the quotient is 17 and the remainder is 3. When x is divided by (y−3), the quotient is 24 and the remainder is 5. What is the value of x? A. 169 B. 173 C. 180 D. 204 E. 211 OA B Source: Veritas Prep There's a nice rule that says, " If N divi...


Re: The figure above represents a network of one-way streets.

https://i.postimg.cc/PPhLJ9T9/2019-09-21-1647.png The figure above represents a network of one-way streets. The arrows indicate the direction of traffic flow, and the numbers indicate the amount of traffic flow into or out of each of the four intersections during a certain hour. During that hour, w...


Re: Is the product of a certain pair of integers even?

Is the product of a certain pair of integers even? (1) The sum of the integers is odd. (2) One of the integers is even and the other is odd. OA D Source: GMAT Prep Some important rules: 1. ODD +/- ODD = EVEN 2. ODD +/- EVEN = ODD 3. EVEN +/- EVEN = EVEN 4. (ODD)(ODD) = ODD 5. (ODD)(EVEN) = EVEN 6. ...

by [email protected]

Wed Apr 20, 2022 6:27 am
Forum: Data Sufficiency
Topic: Is the product of a certain pair of integers even?
Replies: 1
Views: 222

Re: Is positive integer z greater than 275?

Is positive integer z greater than 275? (1) z is a multiple of 21 (2) z is a multiple of 39 OA E Source: Veritas Prep Target question : Is positive integer z greater than 275? Statement 1 : z is a multiple of 21 Let's TEST some values. There are several values of z that satisfy statement 1. Here ar...

by [email protected]

Tue Apr 19, 2022 5:45 am
Forum: Data Sufficiency
Topic: Is positive integer z greater than 275?
Replies: 1
Views: 217

Re: Are the integers z and f to the right of 0 on the number line?

Are the integers z and f to the right of 0 on the number line? (1) The product of z and f is positive. (2) The sum of z and f is positive. OA C Source: GMAT Prep Target question : Are the integers z and f to the right of 0 on the number line? This is a good candidate for rephrasing the target quest...