Search found 2035 matches


Re: If x is a positive number, is x an even integer?

If x is a positive number, is x an even integer? (1) 3x is an even integer. (2) 5x is an even integer. OA C Source: Manhattan Prep \(x\) is positive Integer means we need to think only in positive fractions and integers. 1) \(3x\) is an even integer. Let \(x= 2 \Rightarrow 3x=6 \Rightarrow x\) is e...

by swerve

Fri Sep 03, 2021 3:24 am
Forum: Data Sufficiency
Topic: If x is a positive number, is x an even integer?
Replies: 1
Views: 74

Re: University A charges $9,000 annually for tuition and $3,000 annually for room and board. University A charges 10% le

University A charges $9,000 annually for tuition and $3,000 annually for room and board. University A charges 10% less than University B does for tuition and 20% more than University B does for room and board. The total annual cost of tuition, room and board is how much more or less at University A...


Geometry

BC parallel DE.png
If \(BC \parallel DE,\) and angle \(AEF\) is a right angle, then is \(AC > AB?\)

1) \(DE = EF\)
2) \(AE > AD\)

The OA is D

Source: E-GMAT

by swerve

Wed Sep 01, 2021 8:09 am
Forum: Data Sufficiency
Topic: Geometry
Replies: 0
Views: 55

Coordinate Geometry

On the \(xy\)-coordinate grid, are points \(A(x_1,y_1)\) and \(B(x_2,y_2)\) equidistant from the origin?

1) \(|x_1|=|y_1|\) for point \(A\) and \(|x_2|=|y_2|\) for point \(B\)
2) \(|x_1|,|y_1|\) of point \(A=|x_2|,|y_2|\) of point \(B\)

The OA is B

Source: E-GMAT

by swerve

Wed Sep 01, 2021 8:03 am
Forum: Data Sufficiency
Topic: Coordinate Geometry
Replies: 0
Views: 49

Algebra, Exponents/Powers

If \((400)(6,000)=(240)(100^x),\) what is the value of \(x?\)

A. 5
B. 4
C. 3
D. 2
E. 1

The OA is D

Source: GMAT Prep

by swerve

Wed Sep 01, 2021 7:54 am
Forum: Problem Solving
Topic: Algebra, Exponents/Powers
Replies: 1
Views: 78

Re: In the diagram above, angle measures in degrees are marked as shown, and segment BC is parallel to line AD.

two triangles on a line.JPG In the diagram above, angle measures in degrees are marked as shown, and segment BC is parallel to line AD. What is the measure of angle E? (A) 30° (B) 35° (C) 40° (D) 45° (E) 50° OA D Source: Magoosh Try as follows: Step 1: Since angles \(A\) and \(B\) are given, we can...


Re: Mixture A is 15 percent alcohol, and mixture B is 50 percent alcohol. If the two are poured together to create a

Mixture A is 15 percent alcohol, and mixture B is 50 percent alcohol. If the two are poured together to create a 4-gallon mixture that contains 30 percent alcohol, approximately how many gallons of mixture A are in the mixture? A. 1.5 B. 1.7 C. 2.3 D. 2.5 E. 3.0 OA C Source: Princeton Review \(x+y ...


Algebra

If \(x\) is an integer, is \(y\) an integer?

1) \(\dfrac{4x+4y}{2}=6\)

2) \(\dfrac{3x+6y}{3}=5\)

The OA is A

Source: Magoosh

by swerve

Thu Aug 26, 2021 10:22 am
Forum: Data Sufficiency
Topic: Algebra
Replies: 0
Views: 114

Inequalities

If \(4 < A < 6,\) \(n\) and \(m\) are positive integers with \(n > m,\) and \(T=A\times 10n,\) then what is the value of \(T?\)

1) \(\sqrt{A\ast 10^m}=23100\)
2) \(n-m=7\)

The OA is C

Source: Magoosh

by swerve

Thu Aug 26, 2021 10:14 am
Forum: Data Sufficiency
Topic: Inequalities
Replies: 0
Views: 108

Algebra, Exponents/Powers

If \(2^{2x+1} \ast 3^{2y-1}=8^x \ast 27^y,\) then \(x+y=\)

A. -3
B. -1
C. 0
D. 1
E. 3

The OA is C

Source: Manhattan Prep

by swerve

Thu Aug 26, 2021 10:08 am
Forum: Problem Solving
Topic: Algebra, Exponents/Powers
Replies: 0
Views: 69

Re: A team of 2 is to be selected from a group of 5. if the number of males in the group is n, then what's the value of

A team of 2 is to be selected from a group of 5. if the number of males in the group is n, then what's the value of n? 1. The number of males in the group is one more than the number of females 2. The probability the team consists of at least one male is 9/10 OA D Source: e-GMAT Let the number of m...


Re: A fair 2-sided coin is flipped 6 times. What is the probability that tails will be the result at least twice, but no

A fair 2-sided coin is flipped 6 times. What is the probability that tails will be the result at least twice, but not more than 5 times? A. 5/8 B. 3/4 C. 7/8 D. 57/64 E. 15/16 OA C Source: Princeton Review Let's find it out the other way: P of all head(or no tail)\(=\dfrac{1}{2^6}=\dfrac{1}{64}\) P...


Re: A mother and father have seven children, and the family receives an invitation with four tickets to the circus. If t

A mother and father have seven children, and the family receives an invitation with four tickets to the circus. If the family decides to randomly select the four members who get to attend the circus, but determine that the chosen group must include at least one of the mother and father, how many di...


Functions And Custom Characters

If \(f(n)=xa^n,\) what is the value of \(f(5)?\)

1) \(f(0)=3\)
2) \(f(4)=48\)

The OA is E

Source: Princeton Review

by swerve

Fri Aug 20, 2021 5:27 am
Forum: Data Sufficiency
Topic: Functions And Custom Characters
Replies: 0
Views: 69

Statistics And Sets Problems

For the positive integers \(x, x + 2, x + 4, x + 7,\) and \(x + 12,\) the mean is how much greater than the median?

A. 0
B. 1
C. 2
D. 4
E. 7

The OA is B

Source: Veritas Prep

by swerve

Fri Aug 20, 2021 5:15 am
Forum: Problem Solving
Topic: Statistics And Sets Problems
Replies: 0
Views: 61