Data Sufficiency

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At the beginning of last year, a furniture store had 75 armchairs in stock, which had cost the store $600 each. During

by BTGmoderatorDC » Sun Oct 25, 2020 4:30 pm

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Sun Oct 25, 2020 4:30 pm

If Angela is twice as old as the combined ages of Bill and Charlie, then how old is Charlie?

by Gmat_mission » Sun Oct 25, 2020 12:04 pm

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Sun Oct 25, 2020 12:04 pm

If $2 + 5a - \dfrac{b}2 = 3c,$ what is the value of $b?$

by Gmat_mission » Sun Oct 25, 2020 12:03 pm

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Sun Oct 25, 2020 12:03 pm

What is the value of $a - b ?$

by Gmat_mission » Sun Oct 25, 2020 12:00 pm

Last post by Gmat_mission
Sun Oct 25, 2020 12:00 pm

In $2005,$ did Company $A$ have more than twice the number of employees as did Company $B?$

by Gmat_mission » Sun Oct 25, 2020 11:50 am

Last post by Gmat_mission
Sun Oct 25, 2020 11:50 am

In Sequence $P,$ is $P_{11} >P_{10}?$

by Gmat_mission » Sun Oct 25, 2020 11:44 am

Last post by Gmat_mission
Sun Oct 25, 2020 11:44 am

If $p, q,$ and $r$ are integers, is $p+q+r> 0 ?$

by Gmat_mission » Sun Oct 25, 2020 11:40 am

Last post by Gmat_mission
Sun Oct 25, 2020 11:40 am

Bob leaves point $A$ and drives due west to point $B.$ From point $B,$ he drives due south to point $C.$ How far

by Gmat_mission » Sun Oct 25, 2020 11:37 am

Last post by Gmat_mission
Sun Oct 25, 2020 11:37 am

David has $3$ credit cards: a Passport card, an Everywhere Card, and an American local card. He owes a balance on all

by Gmat_mission » Sun Oct 25, 2020 11:34 am

Last post by Gmat_mission
Sun Oct 25, 2020 11:34 am

The numbers $a, b,$ and $c$ are all positive. If $b^2 - c^2 = 17,$ then what is the value of $a^2 - c^2?$

by Gmat_mission » Sun Oct 25, 2020 6:59 am

Last post by Gmat_mission
Sun Oct 25, 2020 6:59 am

What is the value of $n?$

by Gmat_mission » Sun Oct 25, 2020 6:57 am

Last post by Gmat_mission
Sun Oct 25, 2020 6:57 am

If $x + 2y + 1 = y - x,$ what is the value of $x?$

by Gmat_mission » Sun Oct 25, 2020 6:53 am

Last post by Gmat_mission
Sun Oct 25, 2020 6:53 am

What is the area of the circle with center $M$ shown above?

by Gmat_mission » Sun Oct 25, 2020 6:48 am

Last post by Gmat_mission
Sun Oct 25, 2020 6:48 am

Triangle $ABC$ above is an isosceles right triangle and triangle $DEF$ above is an equilateral triangle with height

by Gmat_mission » Sun Oct 25, 2020 6:43 am

Last post by Gmat_mission
Sun Oct 25, 2020 6:43 am

If $a - b = c,$ what is the value of $b?$

by Gmat_mission » Sun Oct 25, 2020 6:40 am

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Sun Oct 25, 2020 6:40 am

Is the integer $x$ divisible by $36?$

by M7MBA » Sun Oct 25, 2020 6:35 am

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Sun Oct 25, 2020 6:35 am

In the figure above, the angle marked at $c$ has been created by extending the base of the triangle, as shown. What is

by M7MBA » Sun Oct 25, 2020 6:30 am

Last post by M7MBA
Sun Oct 25, 2020 6:30 am

An automobile dealership sells only sedans and coupes. It sells each in only two colors: red and blue. Last year, the

by M7MBA » Sun Oct 25, 2020 6:24 am

Last post by M7MBA
Sun Oct 25, 2020 6:24 am

If $a, b, c, d,$ and $x$ are all nonzero integers, is the product $ax\cdot (bx)^2\cdot (cx)^3\cdot (dx)^4$ negativ

by M7MBA » Sun Oct 25, 2020 6:20 am

Last post by M7MBA
Sun Oct 25, 2020 6:20 am

What is the area of square $ABCD,$ as shown in the coordinate plane above?

by M7MBA » Sun Oct 25, 2020 6:17 am

Last post by M7MBA
Sun Oct 25, 2020 6:17 am

If $x$ and $y$ are integers, and $x \ne 0,$ what is the value of $x^y?$

by M7MBA » Sun Oct 25, 2020 6:12 am

Last post by M7MBA
Sun Oct 25, 2020 6:12 am

In a certain class, the ratio of girls to boys is $5:4.$ How many girls are there?

by M7MBA » Sun Oct 25, 2020 6:06 am

Last post by M7MBA
Sun Oct 25, 2020 6:06 am

If $x, y$ and $z$ are positive numbers, is $\dfrac{x}{y}>\dfrac{x+z}{y+z} ?$

by M7MBA » Sun Oct 25, 2020 6:01 am

Last post by M7MBA
Sun Oct 25, 2020 6:01 am

If $x$ and $y$ are positive, is $\sqrt{x+y}>10?$

by M7MBA » Sun Oct 25, 2020 5:56 am

Last post by M7MBA
Sun Oct 25, 2020 5:56 am

What is the value of $x^2 + 4y?$

by M7MBA » Sun Oct 25, 2020 5:51 am

Last post by M7MBA
Sun Oct 25, 2020 5:51 am

At a certain school with 200 students, all children must take at least one of three language classes: German, French,

by M7MBA » Sun Oct 25, 2020 5:47 am

Last post by M7MBA
Sun Oct 25, 2020 5:47 am

x is a positive integer less than 20. What is the value of x?

by BTGmoderatorDC » Sun Oct 25, 2020 3:17 am

Last post by BTGmoderatorDC
Sun Oct 25, 2020 3:17 am

If $bc \ne 0,$ what is the value of $\dfrac{a^2-b^2-c^2}{bc}?$

by M7MBA » Tue Oct 20, 2020 5:48 am

Last post by deloitte247
Sun Oct 25, 2020 2:05 am

If none of the students are ambidextrous, what percentage of the 20 students in Mr. Henderson's class are left-handed?

by BTGmoderatorDC » Wed Oct 21, 2020 5:51 pm

Last post by swerve
Fri Oct 23, 2020 4:35 pm

If u, v, and w are integers, is u > 0 ?

by BTGmoderatorDC » Thu Oct 22, 2020 7:40 pm

Last post by swerve
Fri Oct 23, 2020 4:29 pm

Brian takes a weekend trip to visit a friend. What is his average rate for the there-and-back trip?

by BTGmoderatorDC » Fri Oct 23, 2020 4:11 pm

Last post by BTGmoderatorDC
Fri Oct 23, 2020 4:11 pm

What is the number of 360-degree rotations that a bicycle wheel made while rolling 100 meters in a straight line...

by AAPL » Thu Oct 22, 2020 5:48 am

Last post by AAPL
Thu Oct 22, 2020 5:48 am

What is the value of the positive integer n?

by AAPL » Thu Oct 22, 2020 5:39 am

Last post by AAPL
Thu Oct 22, 2020 5:39 am

While driving on the expressway, did Robin ever exceed the 55-miles-per-hour speed limit?

by AAPL » Thu Oct 22, 2020 5:31 am

Last post by AAPL
Thu Oct 22, 2020 5:31 am

The Patel, Lopez and Russo families all had parties recently. There were 152 adults at the Lopez party....

by BTGmoderatorLU » Wed Oct 21, 2020 4:59 am

Last post by BTGmoderatorLU
Wed Oct 21, 2020 4:59 am

In a university, there are 19 departments. 13 males and 6 females head one of the departments.

by Max@Math Revolution » Mon Oct 19, 2020 10:34 am

Last post by Max@Math Revolution
Wed Oct 21, 2020 12:47 am

In the figure above, FGHI is inscribed in the circle with center J. What is the ratio of the area of FGHI to the area of

by BTGmoderatorDC » Tue Oct 20, 2020 3:34 pm

Last post by BTGmoderatorDC
Tue Oct 20, 2020 3:34 pm

List $Q$ contains $3$ elements. What is the median of list $Q?$

by VJesus12 » Tue Oct 20, 2020 5:32 am

Last post by swerve
Tue Oct 20, 2020 1:12 pm

In the Sequence $F,$ the first term has the value seven and each successive term is obtained by multiplying the previo

by M7MBA » Tue Oct 20, 2020 6:00 am

Last post by M7MBA
Tue Oct 20, 2020 6:00 am

Is rectangular block $B$ a cube?

by M7MBA » Tue Oct 20, 2020 5:56 am

Last post by M7MBA
Tue Oct 20, 2020 5:56 am

In the $xy$- plane, $PQ$ is a straight line. The coordinate of point $P$ is $(a, b),$ where $a > 0.$ Does poin

by M7MBA » Tue Oct 20, 2020 5:51 am

Last post by M7MBA
Tue Oct 20, 2020 5:51 am

If $x^2 - 5x + 6 = 0,$ then $x =?$

by M7MBA » Tue Oct 20, 2020 5:44 am

Last post by M7MBA
Tue Oct 20, 2020 5:44 am

What is the value of $x^3?$

by M7MBA » Tue Oct 20, 2020 5:40 am

Last post by M7MBA
Tue Oct 20, 2020 5:40 am

For positive integers $x$ and $y,$ $x^y\cdot 8^3=2(10^8).$ What is the value of $y?$

by VJesus12 » Tue Oct 20, 2020 5:38 am

Last post by VJesus12
Tue Oct 20, 2020 5:38 am

Does $4^a = 4^{-a} + b?$

by VJesus12 » Tue Oct 20, 2020 5:28 am

Last post by VJesus12
Tue Oct 20, 2020 5:28 am

Is $ab = 9c^2-4?$

by VJesus12 » Tue Oct 20, 2020 5:24 am

Last post by VJesus12
Tue Oct 20, 2020 5:24 am

How many girls are in the chess club?

by VJesus12 » Tue Oct 20, 2020 5:14 am

Last post by VJesus12
Tue Oct 20, 2020 5:14 am

If $K=\dfrac{\frac{r}3}{\frac{p+2}{p^2-2p-r^2}},$ what is the value of $K?$

by VJesus12 » Tue Oct 20, 2020 3:03 am

Last post by VJesus12
Tue Oct 20, 2020 3:03 am

Is $MNO$ a right triangle?

by VJesus12 » Tue Oct 20, 2020 2:52 am

Last post by VJesus12
Tue Oct 20, 2020 2:52 am

Does $x$ have at least $3$ prime factors?

by VJesus12 » Tue Oct 20, 2020 2:42 am

Last post by VJesus12
Tue Oct 20, 2020 2:42 am

Data Sufficiency

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