## Search found 2125 matches

#### What is the value of $$x?$$

##### What is the value of $$x?$$

What is the value of $$x?$$

(1) $$(|x| + 9)(x - 9) = 0$$
(2) $$(|x| - 9)(x + 9) = 0$$

Source: GMAT Club Tests

by VJesus12

Sat Nov 27, 2021 6:09 am
Forum: Data Sufficiency
Topic: What is the value of $$x?$$
Replies: 0
Views: 68

#### The numbers $$a, b,$$ and $$c$$ are chosen at random, with replacement, from the set of integers from $$1$$ to $$20,$$

##### The numbers $$a, b,$$ and $$c$$ are chosen at random, with replacement, from the set of integers from $$1$$ to $$20,$$

The numbers $$a, b,$$ and $$c$$ are chosen at random, with replacement, from the set of integers from $$1$$ to $$20,$$ inclusive. What is the probability that $$ab - c$$ is odd?

A. $$\dfrac18$$

B. $$\dfrac14$$

C. $$\dfrac38$$

D. $$\dfrac12$$

E. $$\dfrac34$$

Source: Veritas Prep

#### On Sunday morning, a printing press printed its newspapers at a constant rate from 1:00 AM to 4:00 AM. How many newspape

##### On Sunday morning, a printing press printed its newspapers at a constant rate from 1:00 AM to 4:00 AM. How many newspape

On Sunday morning, a printing press printed its newspapers at a constant rate from 1:00 AM to 4:00 AM. How many newspapers did the printing press print on Sunday morning? (1) The printing rate on Saturday morning was twice that of Sunday morning. (2) On Saturday morning, the printing press ran at a ...

#### A traffic signal has $$4$$ colors: Red, Blue, Green, and Yellow. Signals are made by combining any $$22$$ of these

##### A traffic signal has $$4$$ colors: Red, Blue, Green, and Yellow. Signals are made by combining any $$22$$ of these

A traffic signal has $$4$$ colors: Red, Blue, Green, and Yellow. Signals are made by combining any $$22$$ of these $$44$$ colors. How many unique signals can the traffic signal show if the order of the colors defines unique cases?

A) 3
B) 6
C) 8
D) 12
E) 24

Source: e-GMAT

#### Working independently at their respective constant rates, pumps $$X$$ and $$Y$$ took $$48$$ minutes to fill an empty

##### Working independently at their respective constant rates, pumps $$X$$ and $$Y$$ took $$48$$ minutes to fill an empty

Working independently at their respective constant rates, pumps $$X$$ and $$Y$$ took $$48$$ minutes to fill an empty tank with water. What fraction of the water in the full tank came from pump $$X?$$ (1) Working alone at its constant rate, pump $$X$$ would have taken $$80$$ minutes to fill the tank ...

#### If $$27^{4x + 2} \cdot 162^{-2x} \cdot 36^x \cdot 9^{6 - 2x} = 1,$$ then what is the value of $$x?$$

##### If $$27^{4x + 2} \cdot 162^{-2x} \cdot 36^x \cdot 9^{6 - 2x} = 1,$$ then what is the value of $$x?$$

If $$27^{4x + 2} \cdot 162^{-2x} \cdot 36^x \cdot 9^{6 - 2x} = 1,$$ then what is the value of $$x?$$

A. -9
B. -6
C. 3
D. 6
E. 9

Source: Manhattan GMAT

#### The sum of the integers in list $$S$$ is the same as the sum of the integers in list $$T.$$ Does $$S$$ contain more inte

##### The sum of the integers in list $$S$$ is the same as the sum of the integers in list $$T.$$ Does $$S$$ contain more inte

The sum of the integers in list $$S$$ is the same as the sum of the integers in list $$T.$$ Does $$S$$ contain more integers than $$T?$$ (1) The average (arithmetic mean) of the integers in $$S$$ is less than the average of the integers in $$T.$$ (2) The median of the integers in $$S$$ is greater th...

#### The sequence $$S$$ is defined by $$S_n=2(S_{n-1})-4$$ for each integer $$n \ge 2.$$ If $$S_1=6,$$ what is the value of

##### The sequence $$S$$ is defined by $$S_n=2(S_{n-1})-4$$ for each integer $$n \ge 2.$$ If $$S_1=6,$$ what is the value of

The sequence $$S$$ is defined by $$S_n=2(S_{n-1})-4$$ for each integer $$n \ge 2.$$ If $$S_1=6,$$ what is the value of $$S_5?$$

(A) -20
(B) 16
(C) 20
(D) 24
(E) 36

Source: Manhattan GMAT

#### A certain shipment of identical cans of soup can be packed either into cartons that hold 15 cans each or into cartons

##### A certain shipment of identical cans of soup can be packed either into cartons that hold 15 cans each or into cartons

A certain shipment of identical cans of soup can be packed either into cartons that hold 15 cans each or into cartons that hold 25 cans each. If all cartons will be completely filled regardless of the size chosen, how many of the larger cartons would be needed for the entire shipment? (1) Forty fewe...

#### Jack purchased two chairs at a discount of $$50\%.$$ Sally purchased a table at a discount of $$80\%.$$ Jack spent more

##### Jack purchased two chairs at a discount of $$50\%.$$ Sally purchased a table at a discount of $$80\%.$$ Jack spent more

Jack purchased two chairs at a discount of $$50\%.$$ Sally purchased a table at a discount of $$80\%.$$ Jack spent more on his two chairs than Sally did on her table. If Jack had purchased his two chairs at a discount of $$60\%,$$ he would have spent less than Sally. If $$z$$ represents the undiscou...

#### Each of 5 households owns at least one television set. What is the standard deviation of the numbers of television sets

##### Each of 5 households owns at least one television set. What is the standard deviation of the numbers of television sets

Each of 5 households owns at least one television set. What is the standard deviation of the numbers of television sets owned by the 5 households? (1) At least 4 of the households own the same number of television sets. (2) One of the households owns 3 television sets. Answer: E Source: GMAT Prep

#### The units digit of $$(44^{91})\cdot (73^{37})$$ is:

##### The units digit of $$(44^{91})\cdot (73^{37})$$ is:

The units digit of $$(44^{91})\cdot (73^{37})$$ is:

(A) 2
(B) 4
(C) 6
(D) 8
(E) 0

Source: Magoosh

by VJesus12

Sat Nov 27, 2021 5:08 am
Forum: Problem Solving
Topic: The units digit of $$(44^{91})\cdot (73^{37})$$ is:
Replies: 0
Views: 55

#### If $$p, q,r,$$ and $$s$$ are consecutive integers, with $$p<q<r<s,$$ is $$pr<qs?$$

##### If $$p, q,r,$$ and $$s$$ are consecutive integers, with $$p<q<r<s,$$ is $$pr<qs?$$

If $$p, q,r,$$ and $$s$$ are consecutive integers, with $$p<q<r<s,$$ is $$pr<qs?$$

(1) $$pq<rs$$

(2) $$ps<qr$$

Source: Manhattan GMAT

#### At a constant speed of 72 kilometers per hour, a vehicle travels how many kilometers per second?

##### At a constant speed of 72 kilometers per hour, a vehicle travels how many kilometers per second?

At a constant speed of 72 kilometers per hour, a vehicle travels how many kilometers per second?

A) 0.02
B) 0.2
C) 0.6
D) 1.2
E) 6.0

Source: GMAT Paper Tests

#### If $$x$$ and $$y$$ are positive integers, what is the value of $$(x+y)^2?$$

##### If $$x$$ and $$y$$ are positive integers, what is the value of $$(x+y)^2?$$

If $$x$$ and $$y$$ are positive integers, what is the value of $$(x+y)^2?$$

(1) $$x = y -3$$
(2) $$x$$ and $$y$$ are prime numbers.

Topic: If $$x$$ and $$y$$ are positive integers, what is the value of $$(x+y)^2?$$