## Search found 1805 matches

#### Quentin put an amount of money into each of two new investments, \(X\) and \(Y.\) Investment \(X\) pays \(x\%\) simple

###### Problem Solving

##### Quentin put an amount of money into each of two new investments, \(X\) and \(Y.\) Investment \(X\) pays \(x\%\) simple

Quentin put an amount of money into each of two new investments, \(X\) and \(Y.\) Investment \(X\) pays \(x\%\) simple annual interest and investment \(Y\) pays \(y\%\) simple annual interest. After \(1\) year, the average (arithmetic mean) interest earned by investments \(X\) and \(Y\) was \(7.6\%....

- by M7MBA

Sun Sep 19, 2021 11:47 am- Forum: Problem Solving
- Topic: Quentin put an amount of money into each of two new investments, \(X\) and \(Y.\) Investment \(X\) pays \(x\%\) simple
- Replies:
**0** - Views:
**14**

#### If \(a\) and \(b\) are both single-digit positive integers, is \(a + b\) a multiple of \(3?\)

###### Data Sufficiency

##### If \(a\) and \(b\) are both single-digit positive integers, is \(a + b\) a multiple of \(3?\)

If \(a\) and \(b\) are both single-digit positive integers, is \(a + b\) a multiple of \(3?\)

(1) The two-digit number \(ab\) (where \(a\) is in the tens place and \(b\) is in the one's place) is a multiple of \(3.\)

(2) \(a - 2b\) is a multiple of \(3.\)

Answer: D

Source: Manhattan GMAT

- by M7MBA

Sun Sep 19, 2021 11:43 am- Forum: Data Sufficiency
- Topic: If \(a\) and \(b\) are both single-digit positive integers, is \(a + b\) a multiple of \(3?\)
- Replies:
**0** - Views:
**14**

#### On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which

###### Problem Solving

##### On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which

On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which it rains. If on the first three days of the vacation the probability of rain on each day is 0.2, what is the probability that Malachi will return home at the end of the day on the ...

- by M7MBA

Sun Sep 19, 2021 11:42 am- Forum: Problem Solving
- Topic: On Saturday morning, Malachi will begin a camping vacation and he will return home at the end of the first day on which
- Replies:
**1** - Views:
**20**

#### If \(x\) and \(y\) are positive integers, what is the greatest common divisor of \(x\) and \(y?\)

###### Data Sufficiency

##### If \(x\) and \(y\) are positive integers, what is the greatest common divisor of \(x\) and \(y?\)

If \(x\) and \(y\) are positive integers, what is the greatest common divisor of \(x\) and \(y?\)

(1) \(2x + y = 73\)

(2) \(5x - 3y = 1\)

Answer: D

Source: Manhattan GMAT

- by M7MBA

Sun Sep 19, 2021 11:41 am- Forum: Data Sufficiency
- Topic: If \(x\) and \(y\) are positive integers, what is the greatest common divisor of \(x\) and \(y?\)
- Replies:
**0** - Views:
**13**

#### Clarissa will create her summer reading list by randomly choosing 4 books from the 10 books approved for summer reading.

###### Problem Solving

##### Clarissa will create her summer reading list by randomly choosing 4 books from the 10 books approved for summer reading.

Clarissa will create her summer reading list by randomly choosing 4 books from the 10 books approved for summer reading. She will list the books in the order in which they are chosen. How many different lists are possible?

A. 6

B. 40

C. 210

D. 5,040

E. 151,200

Answer: D

Source: Official Guide

- by M7MBA

Sun Sep 19, 2021 11:30 am- Forum: Problem Solving
- Topic: Clarissa will create her summer reading list by randomly choosing 4 books from the 10 books approved for summer reading.
- Replies:
**1** - Views:
**15**

##### If \(0<ab<ac,\) is \(a\) negative?

If \(0<ab<ac,\) is \(a\) negative?

(1) \(c<0\)

(2) \(b>c\)

Answer: D

Source: Manhattan GMAT

- by M7MBA

Sun Sep 19, 2021 11:29 am- Forum: Data Sufficiency
- Topic: If \(0<ab<ac,\) is \(a\) negative?
- Replies:
**0** - Views:
**14**

#### If \(x\) is to be chosen at random from the set \(\{1, 2, 3, 4\}\) and \(y\) is to be chosen at random from the set

###### Problem Solving

##### If \(x\) is to be chosen at random from the set \(\{1, 2, 3, 4\}\) and \(y\) is to be chosen at random from the set

If \(x\) is to be chosen at random from the set \(\{1, 2, 3, 4\}\) and \(y\) is to be chosen at random from the set \(\{5, 6, 7\},\) what is the probability that \(xy\) will be even? (A) \(\dfrac16\) (B) \(\dfrac13\) (C) \(\dfrac12\) (D) \(\dfrac23\) (E) \(\dfrac56\) Answer: D Source: Official Guide

- by M7MBA

Sun Sep 19, 2021 11:26 am- Forum: Problem Solving
- Topic: If \(x\) is to be chosen at random from the set \(\{1, 2, 3, 4\}\) and \(y\) is to be chosen at random from the set
- Replies:
**0** - Views:
**13**

#### On her way home from work, Janet drives through several tollbooths. Is there a pair of these tollbooths that are less

###### Data Sufficiency

##### On her way home from work, Janet drives through several tollbooths. Is there a pair of these tollbooths that are less

On her way home from work, Janet drives through several toll booths. Is there a pair of these tollbooths that are less than 10 miles apart? (1) The first tollbooth and the last tollbooth are 25 miles apart. (2) Janet drives through 4 tollbooths on her way home from work. Answer: C Source: GMAT Prep

- by M7MBA

Sun Sep 19, 2021 11:23 am- Forum: Data Sufficiency
- Topic: On her way home from work, Janet drives through several tollbooths. Is there a pair of these tollbooths that are less
- Replies:
**1** - Views:
**35**

#### If the price of a commodity is directly proportional to \(m^3\) and inversely proportional to \(q^2,\) which of the

###### Problem Solving

##### If the price of a commodity is directly proportional to \(m^3\) and inversely proportional to \(q^2,\) which of the

If the price of a commodity is directly proportional to \(m^3\) and inversely proportional to \(q^2,\) which of the following values of \(m\) and \(q\) will result in the highest price for the commodity? A. \(m=3, q=2\) B. \(m=12, q=12\) C. \(m=20, q=20\) D. \(m=30, q=36\) E. \(m=36, q=72\) Answer: ...

- by M7MBA

Sun Sep 19, 2021 11:22 am- Forum: Problem Solving
- Topic: If the price of a commodity is directly proportional to \(m^3\) and inversely proportional to \(q^2,\) which of the
- Replies:
**0** - Views:
**13**

#### An \(n\)-sided die has sides labeled with the numbers \(1\) through \(n,\) inclusive, and has an equal probability of

###### Data Sufficiency

##### An \(n\)-sided die has sides labeled with the numbers \(1\) through \(n,\) inclusive, and has an equal probability of

An \(n\)-sided die has sides labeled with the numbers \(1\) through \(n,\) inclusive, and has an equal probability of landing on any side when rolled. If the die is rolled twice, what is the probability of rolling \(1\) both times? (1) If the die is rolled twice, the probability that the two rolls a...

- by M7MBA

Sun Sep 19, 2021 11:18 am- Forum: Data Sufficiency
- Topic: An \(n\)-sided die has sides labeled with the numbers \(1\) through \(n,\) inclusive, and has an equal probability of
- Replies:
**0** - Views:
**12**

#### In the table above, what is the least number of table entries that are needed to show the mileage between each city and

###### Problem Solving

##### In the table above, what is the least number of table entries that are needed to show the mileage between each city and

In the table above, what is the least number of table entries that are needed to show the mileage between each city and each of the other five cities?

(A) 15

(B) 21

(C) 25

(D) 30

(E) 36

Answer: A

Source: Official Guide

- by M7MBA

Sun Sep 19, 2021 12:53 am- Forum: Problem Solving
- Topic: In the table above, what is the least number of table entries that are needed to show the mileage between each city and
- Replies:
**0** - Views:
**19**

#### \(P, Q, R, S, T, U\) are positive integers, such that \(\dfrac{S}{P}+\dfrac{T}{Q}=\dfrac{U}{R}.\) Is \(P\) odd?

###### Data Sufficiency

##### \(P, Q, R, S, T, U\) are positive integers, such that \(\dfrac{S}{P}+\dfrac{T}{Q}=\dfrac{U}{R}.\) Is \(P\) odd?

\(P, Q, R, S, T, U\) are positive integers, such that \(\dfrac{S}{P}+\dfrac{T}{Q}=\dfrac{U}{R}.\) Is \(P\) odd?

(1) \(Q\) and \(R\) are odd.

(2) \(S\) is odd.

Answer: C

Source: Manhattan GMAT

- by M7MBA

Sun Sep 19, 2021 12:52 am- Forum: Data Sufficiency
- Topic: \(P, Q, R, S, T, U\) are positive integers, such that \(\dfrac{S}{P}+\dfrac{T}{Q}=\dfrac{U}{R}.\) Is \(P\) odd?
- Replies:
**0** - Views:
**16**

#### Each \(\cdot\) in the mileage table above represents an entry indicating the distance between a pair of the five cities.

###### Problem Solving

##### Each \(\cdot\) in the mileage table above represents an entry indicating the distance between a pair of the five cities.

Table.png Each \(\bullet\) in the mileage table above represents an entry indicating the distance between a pair of the five cities. If the table were extended to represent the distances between all pairs of \(30\) cities and each distance were to be represented by only one entry, how many entries ...

- by M7MBA

Sun Sep 19, 2021 12:47 am- Forum: Problem Solving
- Topic: Each \(\cdot\) in the mileage table above represents an entry indicating the distance between a pair of the five cities.
- Replies:
**1** - Views:
**21**

#### What is the maximum number of rectangular blocks, each with dimensions \(12\) centimeters by \(6\) centimeters by \(4\)

###### Data Sufficiency

##### What is the maximum number of rectangular blocks, each with dimensions \(12\) centimeters by \(6\) centimeters by \(4\)

What is the maximum number of rectangular blocks, each with dimensions \(12\) centimeters by \(6\) centimeters by \(4\) centimeters, that will fit inside a rectangular box \(X?\) (1) When box \(X\) is filled with the blocks and rests on a certain side, there are \(25\) blocks in the bottom layer. (2...

- by M7MBA

Sun Sep 19, 2021 12:43 am- Forum: Data Sufficiency
- Topic: What is the maximum number of rectangular blocks, each with dimensions \(12\) centimeters by \(6\) centimeters by \(4\)
- Replies:
**0** - Views:
**16**

#### How many two-element subsets of \(\{1,2,3,4\}\) are there that do not contain the pair of elements \(2\) and \(4?\)

###### Problem Solving

##### How many two-element subsets of \(\{1,2,3,4\}\) are there that do not contain the pair of elements \(2\) and \(4?\)

How many two-element subsets of \(\{1,2,3,4\}\) are there that do not contain the pair of elements \(2\) and \(4?\)

(a) One

(b) Two

(c) Four

(d) Five

(e) Six

Answer: D

Source: Official Guide

- by M7MBA

Sun Sep 19, 2021 12:40 am- Forum: Problem Solving
- Topic: How many two-element subsets of \(\{1,2,3,4\}\) are there that do not contain the pair of elements \(2\) and \(4?\)
- Replies:
**0** - Views:
**17**