## Search found 15887 matches

##### Re: If a and b are constants, what is one solution of the equation (x + a)(x – b) = 0?

Source: Manhattan Prep If a and b are constants, what is one solution of the equation \((x+a)(x-b)=0?\) 1) \(a = 4\) 2) \(b = 3\) The OA is D Target question : What is one solution of the equation (x + a)(x â€“ b) = 0 Statement 1 : a = 4 This means the equation is (x + 4)(x â€“ b) = 0 So, x = -4, i...

- by [email protected]

Wed Dec 08, 2021 10:27 am- Forum: Data Sufficiency
- Topic: If a and b are constants, what is one solution of the equation (x + a)(x – b) = 0?
- Replies:
**1** - Views:
**39**

#### Beth's bank charges a service fee on a regular checking account for each month in which the balance on the account

###### Data Sufficiency

##### Re: Beth's bank charges a service fee on a regular checking account for each month in which the balance on the account

Beth's bank charges a service fee on a regular checking account for each month in which the balance on the account falls below $100 at any time during the month. Did the bank charge a service fee on Beth's regular checking account last month? (1) During last month, a total of $1,000 was withdrawn f...

- by [email protected]

Tue Dec 07, 2021 6:52 am- Forum: Data Sufficiency
- Topic: Beth's bank charges a service fee on a regular checking account for each month in which the balance on the account
- Replies:
**1** - Views:
**71**

##### Re: What is the value of x ?

What is the value of x ? (1) y - x = y - 6 (2) x + 2y = 10 OA A Source: GMAT Prep Target question : What is the value of x ? Statement 1 : y - x = y - 6 Note: In most cases, there are infinitely many solutions to a linear equation with two variables. However, in this case, one of the variables canc...

- by [email protected]

Mon Dec 06, 2021 6:34 am- Forum: Data Sufficiency
- Topic: What is the value of x ?
- Replies:
**1** - Views:
**72**

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

###### Problem Solving

##### 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...

- by [email protected]

Mon Dec 06, 2021 6:22 am- Forum: Problem Solving
- Topic: If the average of ten numbers is 10, then which of the following could be the standard deviation of the ten numbers?
- Replies:
**1** - Views:
**57**

#### The sequence of four numbers \(a_1, a_2, a_3\) and \(a_4\) is such that each number after the first is \(a_1-1\) greater

###### Data Sufficiency

##### Re: The sequence of four numbers \(a_1, a_2, a_3\) and \(a_4\) is such that each number after the first is \(a_1-1\) gre

The sequence of four numbers \(a_1, a_2, a_3\) and \(a_4\) is such that each number after the first is \(a_1-1\) greater than the preceding number. What is the value of \(a_1?\) (1) \(a_2=15\) (2) \(a_4=29\) Answer: D Source: GMAT Prep Given : The sequence of four numbers a1, a2, a3 and a4 is such ...

- by [email protected]

Sun Dec 05, 2021 6:42 am- Forum: Data Sufficiency
- Topic: The sequence of four numbers \(a_1, a_2, a_3\) and \(a_4\) is such that each number after the first is \(a_1-1\) greater
- Replies:
**1** - Views:
**76**

##### Re: Is the integer \(n\) even?

Is the integer \(n\) even? (1) \(n - 5\) is an odd integer. (2) \(\dfrac{n}5\) is an even integer. Answer: D Source: GMAT Paper Tests Some important rules: 1. ODD - ODD = EVEN 2. EVEN - ODD = ODD 3. ODD - EVEN = ODD 4. EVEN - EVEN = EVEN 5. (ODD)(ODD) = ODD 6. (ODD)(EVEN) = EVEN 7. (EVEN)(EVEN) = E...

- by [email protected]

Sun Dec 05, 2021 6:29 am- Forum: Data Sufficiency
- Topic: Is the integer \(n\) even?
- Replies:
**1** - Views:
**59**

#### In the figure above, if triangles \(ABC, ACD,\) and \(ADE\) are isosceles right triangles and the area of

###### Problem Solving

##### Re: In the figure above, if triangles \(ABC, ACD,\) and \(ADE\) are isosceles right triangles and the area of

2019-04-26_1753.png In the figure above, if triangles \(ABC, ACD,\) and \(ADE\) are isosceles right triangles and the area of \(\triangle ABC\) is \(6,\) then the area of \(\triangle ADE\) is A. \(18\) B. \(24\) C. \(36\) D. \(12\sqrt2\) E. \(24\sqrt2\) Answer: B Source: Official Guide In general, ...

- by [email protected]

Sun Dec 05, 2021 6:26 am- Forum: Problem Solving
- Topic: In the figure above, if triangles \(ABC, ACD,\) and \(ADE\) are isosceles right triangles and the area of
- Replies:
**1** - Views:
**55**

##### Re: In the figure above, the area of the parallelogram is

2019-04-26_1721.png In the figure above, the area of the parallelogram is A. \(40\) B. \(24\sqrt3\) C. \(72\) D. \(48\sqrt3\) E. \(96\) Answer: D Source: Official Guide Area of parallelogram = (base)(height) Start by drawing an extra line, which also happens to be the height of the parallelogram ht...

- by [email protected]

Sun Dec 05, 2021 6:25 am- Forum: Problem Solving
- Topic: In the figure above, the area of the parallelogram is
- Replies:
**1** - Views:
**49**

#### In a class of 30 students, 2 students did not borrow any books from the library, 12 students each borrowed 1 book,

###### Problem Solving

##### Re: In a class of 30 students, 2 students did not borrow any books from the library, 12 students each borrowed 1 book,

In a class of 30 students, 2 students did not borrow any books from the library, 12 students each borrowed 1 book, 10 students each borrowed 2 books, and the rest borrowed at least 3 books. If the average number of books per student was 2, what is the maximum number of books any single student coul...

- by [email protected]

Sun Dec 05, 2021 6:24 am- Forum: Problem Solving
- Topic: In a class of 30 students, 2 students did not borrow any books from the library, 12 students each borrowed 1 book,
- Replies:
**1** - Views:
**50**

##### Re: In the figure above, if \(AD\) is parallel to \(BC,\) then \(\angle ADC=\)

1.jpg In the figure above, if \(AD\) is parallel to \(BC,\) then \(\angle ADC=\) A. 11° B. 22° C. 33° D. 46° E. 134° Answer: C Source: Princeton Review First, since angles in a triangle must add to 180°, we can see that the missing angle in the red triangle must be 180° - (x + 44)° https://i.imgur....

- by [email protected]

Fri Dec 03, 2021 7:39 am- Forum: Problem Solving
- Topic: In the figure above, if \(AD\) is parallel to \(BC,\) then \(\angle ADC=\)
- Replies:
**1** - Views:
**139**

#### There are 27 different three-digit integers that can be formed using only the digits 1, 2 and 3. If all 27 of the

###### Problem Solving

##### Re: There are 27 different three-digit integers that can be formed using only the digits 1, 2 and 3. If all 27 of the

There are 27 different three-digit integers that can be formed using only the digits 1, 2 and 3. If all 27 of the integers were listed, what would their sum be? A. 2,704 B. 2,990 C. 5,404 D. 5,444 E. 5,994 OA E Source: GMAT Prep This is a great example of how the GMAT often rewards students for thi...

- by [email protected]

Fri Dec 03, 2021 7:38 am- Forum: Problem Solving
- Topic: There are 27 different three-digit integers that can be formed using only the digits 1, 2 and 3. If all 27 of the
- Replies:
**1** - Views:
**156**

#### A school has received 60% of the amount it needs for a new building by receiving a donation of $400 each from people

###### Problem Solving

##### Re: A school has received 60% of the amount it needs for a new building by receiving a donation of $400 each from people

A school has received 60% of the amount it needs for a new building by receiving a donation of $400 each from people already solicited. People already solicited represent 40% of the people from whom the school will solicit donations. How much average contribution is required from the remaining targ...

- by [email protected]

Fri Dec 03, 2021 7:37 am- Forum: Problem Solving
- Topic: A school has received 60% of the amount it needs for a new building by receiving a donation of $400 each from people
- Replies:
**1** - Views:
**118**

##### Re: If n denotes a number to the left of 0 on the number line su

If n denotes a number to the left of 0 on the number line such that the square of n is less than 1/100, then the reciprocal of n must be A. Less than -10 B. Between -1 and -1/10 C. Between -1/10 and 0 D. Between 0 and 1/10 E. Greater than 10 Is there a strategic approach to this question? . Can any...

- by [email protected]

Fri Dec 03, 2021 7:36 am- Forum: Problem Solving
- Topic: If n denotes a number to the left of 0 on the number line su
- Replies:
**4** - Views:
**914**

#### At Joe's candy store, the total cost of \(1\) gumball and \(1\) lollipop is \(\$0.74.\) The total cost of \(1\) chocolat

###### Problem Solving

##### Re: At Joe's candy store, the total cost of \(1\) gumball and \(1\) lollipop is \(\$0.74.\) The total cost of \(1\) choc

At Joe's candy store, the total cost of \(1\) gumball and \(1\) lollipop is \(\$0.74.\) The total cost of \(1\) chocolate bar and \(1\) lollipop is \(\$0.92.\) The total cost of \(1\) gumball and \(1\) chocolate bar is \(\$1.24.\) What is the cost in dollars of \(1\) chocolate bar? A. 0.53 B. 0.59 ...

- by [email protected]

Fri Dec 03, 2021 7:34 am- Forum: Problem Solving
- Topic: At Joe's candy store, the total cost of \(1\) gumball and \(1\) lollipop is \(\$0.74.\) The total cost of \(1\) chocolat
- Replies:
**2** - Views:
**243**

#### If on a fishing trip Jim and Tom each caught some fish, which one caught more fish?

###### Data Sufficiency

##### Re: If on a fishing trip Jim and Tom each caught some fish, which one caught more fish?

If on a fishing trip Jim and Tom each caught some fish, which one caught more fish? (1) Jim caught 2/3 as many fish as Tom. (2) After Tom stopped fishing, Jim continued to fish until he caught 12 fish. Answer: A Source: Official Guide Given : Jim and Tom each caught some fish Target question : Whic...

- by [email protected]

Fri Dec 03, 2021 7:31 am- Forum: Data Sufficiency
- Topic: If on a fishing trip Jim and Tom each caught some fish, which one caught more fish?
- Replies:
**2** - Views:
**285**