Search found 1632 matches


Fractions/Ratios/Decimals

At the beginning of the day, a pet store had dogs and cats in the ratio of 5 to 3. If no new animals were added to the store and the only animals that left were those that were sold, what was the ratio of dogs to cats at the end of the day? 1) The store sold 2 dogs that day 2) The store sold 1/3 of ...

by swerve

Thu Sep 24, 2020 2:15 pm
Forum: Data Sufficiency
Topic: Fractions/Ratios/Decimals
Replies: 1
Views: 17

Algebra

Which of the following could be the difference between two positive integers whose product is 28?

A. 1
B. 3
C. 4
D. 7
E. 14

The OA is B

Source: Princeton Review

by swerve

Thu Sep 24, 2020 1:48 pm
Forum: Problem Solving
Topic: Algebra
Replies: 1
Views: 26

Algebra

If \(x\) is positive and \(y\) is \(1\) more than the square of \(x\), then what is the value of \(x\) in terms of \(y\)?

A. \(y^2-1\)
B. \(y^2+1\)
C. \(\sqrt{y}-1\)
D. \(\sqrt{y-1}\)
E. \(\sqrt{y+1}\)

The OA is D

Source: Princeton Review

by swerve

Thu Sep 24, 2020 1:35 pm
Forum: Problem Solving
Topic: Algebra
Replies: 1
Views: 18

Re: If a total of 30 puppies is displayed in the two windows of a pet store, how many of the puppies are female?

If a total of 30 puppies is displayed in the two windows of a pet store, how many of the puppies are female? 1. 3/4 of the puppies in the left are male 2. 1/3 of the puppies in the right are female Answer: E Source: Princeton Review 1) Info about left window only what left right combination could b...


Re: A bottle manufacturing company has \(5\) identical machines, each of which produces bottles at the same constant rat

A bottle manufacturing company has \(5\) identical machines, each of which produces bottles at the same constant rate. How many bottles will all \(5\) machines produce running simultaneously for \(x\) hours? (1) Running simultaneously, \(3\) of the machines produce \(72,000\) bottles in \(2x\) hour...


Re: An airport conveyor belt is 120 meters long, and moves at a constant rate of 2m/s. A man carrying two suitcases walk

An airport conveyor belt is 120 meters long and moves at a constant rate of 2m/s. A man carrying two suitcases walks at a constant rate of 4m/s. How long will it take him to cross from one end of the conveyor belt to the other, if the man only walks for half the time he is on the conveyor belt? A. ...


Re: At a certain softball tournament, 65 percent of the players traveled more than 200 miles to participate. If 720 play

At a certain softball tournament, 65 percent of the players traveled more than 200 miles to participate. If 720 players took part in the softball tournament, what is the difference between the number of participants who traveled more than 200 miles and the number of participants who traveled 200 mi...


Re: For all integers \(a\) and \(b,\) \(a\%b = (a + b)(a - b).\) If \(5\%x = 9,\) then which of the following could be a

For all integers \(a\) and \(b,\) \(a\%b = (a + b)(a - b).\) If \(5\%x = 9,\) then which of the following could be a value of \(x?\) A. -4 B. -3 C. 2 D. 3 E. 6 Answer: A Source: Veritas Prep Given \(a\%b = (a + b)(a - b)\) and \(5\% x = 9\), we have \(5\% x = (5+x) \cdot (5-x) = 25 - x^2\) So, \(25...


Re: What is the sum of all consecutive multiples of 8 between 400 and 600, inclusive?

Economist GMAT What is the sum of all consecutive multiples of 8 between 400 and 600, inclusive? A. 8,000 B. 10,400 C. 12,500 D. 13,000 E. 15,000 The OA is D We can try as follows: \(400\) is \(8\cdot 50\) and \(600\) is \(8\cdot 75\) Average of \(400\) and \(600= 500\), extreme multiples of \(8\) ...


Re: The Warm Muffin Bakery’s cookie sales are always 60 percent of its muffin sales. What would be the increase in The W

The Warm Muffin Bakery’s cookie sales are always 60 percent of its muffin sales. What would be the increase in The Warm Muffin Bakery’s cookie sales if its muffin sales increased from 10,000 to 20,000? A. 10,000 B. 8,000 C. 6,000 D. 4,000 E. 2,000 OA C Source: Princeton Review Cookie sales are depe...


Word Problems

The 250 students enrolled at ABC University are taking undergraduate courses, graduate courses, or both. How many students are taking graduate courses? 1) 200 students are taking undergraduate courses 2) 50 students are taking both undergraduate and graduate courses The OA is C Source: Princeton Rev...

by swerve

Sat Sep 19, 2020 4:16 am
Forum: Data Sufficiency
Topic: Word Problems
Replies: 0
Views: 16

Number Properties

If 2 and 17 are factors of positive integer n, then which of the following must also divide into n?

I. 34
II. 68
III. 136

A. I only
B. II only
C. I and II only
D. I and III only
E. None

The OA is A

Source: Manhattan Prep

by swerve

Sat Sep 19, 2020 3:59 am
Forum: Problem Solving
Topic: Number Properties
Replies: 0
Views: 17

Statistics And Sets Problems

Given the ascending set {x, x, y, y, y, y}. What is the greater, the median or the mean?

A. The mean
B. The median
C. They are equal

The OA is B

Source: Manhattan Prep

by swerve

Sat Sep 19, 2020 3:49 am
Forum: Problem Solving
Topic: Statistics And Sets Problems
Replies: 0
Views: 16

Re: A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 met

A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor? (A) $200 (B) $240 (C) $480 (D) $960 (E) $1,9...


Re: In the \(xy\)-plane, what is the slope of the line with equation \(3x + 7y = 9 ?\)

In the \(xy\)-plane, what is the slope of the line with equation \(3x + 7y = 9 ?\) (A) \(-\dfrac73\) (B) \(-\dfrac37\) (C) \(\dfrac37\) (D) \(3\) (E) \(7\) Answer: B Source: Official Guide For a general line equation \(ax+by+c=0\) the slope is given by the quotient \(-\dfrac{a}{b}\) So, in this cas...