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If integer C is randomly selected from 20 to 99, inclusive. What is the probability that C^3 - C is divisible by 12 ?

by BTGmoderatorDC » Sun Sep 12, 2021 10:03 pm

Last post by swerve
Tue Sep 14, 2021 7:00 am

An investor purchased 100 shares of stock X at 6 1/8 dollars per share and sold them all a year later at 24 dollars per

by BTGmoderatorDC » Mon Sep 13, 2021 7:49 pm

Last post by swerve
Tue Sep 14, 2021 6:52 am

In the figure above, if x/(x+y)= 3/8, then x =

by BTGmoderatorLU » Mon Sep 13, 2021 11:25 am

Last post by Brent@GMATPrepNow
Tue Sep 14, 2021 5:12 am

The price of a pair of sneakers was $80 for the last six months of last year. On January first, the price increased 20%.

by AAPL » Mon Sep 13, 2021 5:05 am

Last post by AAPL
Mon Sep 13, 2021 5:05 am

Of the 84 parents who attended a meeting at a school, 35 volunteered to supervise children during the school picnic and

by Gmat_mission » Sun Sep 12, 2021 8:27 am

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 12:23 pm

At a certain fruit stand, the price of each apple is 40 cents and the price of each orange is 60 cents. Mary selects a

by Gmat_mission » Sun Sep 12, 2021 8:34 am

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 12:22 pm

What is the sum of all possible solutions of the equation $|x + 4|^2 - 10|x + 4| = 24?$

by Gmat_mission » Sun Sep 12, 2021 8:57 am

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 12:20 pm

At the end of year $X,$ automobile installment credit accounted for $36\%$ of all outstanding consumer installment

by Gmat_mission » Sun Sep 12, 2021 9:06 am

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 12:19 pm

When positive integer $x$ is divided by positive integer $y,$ the remainder is 9. If $x/y = 96.12,$ what is...

by Gmat_mission » Sun Sep 12, 2021 9:27 am

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 12:18 pm

Bill has a set of 6 black cards and a set of 6 red cards. Each card has a number from 1 through 6, such that each of....

by Gmat_mission » Sun Sep 12, 2021 9:34 am

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 12:17 pm

It takes Carlos 9 minutes to drive from home to work at an average rate of 22 miles per hour. How many minutes will it

by Gmat_mission » Sun Sep 12, 2021 8:36 am

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 12:10 pm

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

by Gmat_mission » Sun Sep 12, 2021 9:22 am

Last post by Gmat_mission
Sun Sep 12, 2021 9:22 am

For each student in a certain class, a teacher adjusted the student’s test score using the formula $y = 0.8x + 20$

by Gmat_mission » Sun Sep 12, 2021 9:15 am

Last post by Gmat_mission
Sun Sep 12, 2021 9:15 am

Marty has a coin collection, which consists of only New World and Old World coins, in a ratio of 3:1. Marty’s friend

by Gmat_mission » Sun Sep 12, 2021 9:03 am

Last post by Gmat_mission
Sun Sep 12, 2021 9:03 am

Working alone at its own constant rate, a machine seals $k$ cartons in $8$ hours, and working alone at its own const

by Gmat_mission » Sun Sep 12, 2021 8:54 am

Last post by Gmat_mission
Sun Sep 12, 2021 8:54 am

If the positive integer $x$ is a multiple of $4$ and the positive integer $y$ is a multiple of $6,$ then $xy$

by Gmat_mission » Sun Sep 12, 2021 8:50 am

Last post by Gmat_mission
Sun Sep 12, 2021 8:50 am

A string of $5$ different colored light bulbs is wired in such a way that if any two-consecutive light bulb fails, the

by Gmat_mission » Sun Sep 12, 2021 8:41 am

Last post by Gmat_mission
Sun Sep 12, 2021 8:41 am

A couple decides to have $5$ children. Each child is equally likely to be a boy or a girl. What is the probability tha

by Gmat_mission » Sun Sep 12, 2021 8:31 am

Last post by Gmat_mission
Sun Sep 12, 2021 8:31 am

In the figure above, the triangle $ABC$ is inscribed in a semicircle, with center $O.$ If $CÔA = 120^{\circ}$ and

by Gmat_mission » Sun Sep 12, 2021 8:24 am

Last post by Gmat_mission
Sun Sep 12, 2021 8:24 am

If $t=-5k,$ what is $t^2-2t$ in terms of $k?$

by Gmat_mission » Sun Sep 12, 2021 8:18 am

Last post by Gmat_mission
Sun Sep 12, 2021 8:18 am

Peter invests $100,000 in an account that pays 12% annual interest: the interest is paid once, at the end of the year.

by Gmat_mission » Sun Sep 12, 2021 8:10 am

Last post by Gmat_mission
Sun Sep 12, 2021 8:10 am

For any positive integer $n,$ the length of $n$ is defined as the number of prime factors whose product is $n.$

by M7MBA » Sun Sep 12, 2021 4:29 am

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 8:10 am

A small business invests $9,900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and

by M7MBA » Sat Sep 11, 2021 2:10 pm

Last post by Brent@GMATPrepNow
Sun Sep 12, 2021 8:08 am

If $[n]$ denotes the least integer greater than or equal to $n$ and $\left[\dfrac{n}2 - \dfrac{n}3\right]= -1$ whi

by Gmat_mission » Sun Sep 12, 2021 8:06 am

Last post by Gmat_mission
Sun Sep 12, 2021 8:06 am

At a local beach, the ratio of little dogs to average dogs to enormous dogs is 2:5:8. Late in the afternoon, the ratio

by Gmat_mission » Sun Sep 12, 2021 4:39 am

Last post by Gmat_mission
Sun Sep 12, 2021 4:39 am

A unique code is assigned to all test takers of the GNAT exam on a specific day in a center. On 12 Jan 2021, there were

by M7MBA » Sun Sep 12, 2021 4:36 am

Last post by M7MBA
Sun Sep 12, 2021 4:36 am

The table above shows the cost, in dollars, of traveling to and from cities A, B, C, D, E, and F. A sales representative

by M7MBA » Sun Sep 12, 2021 4:33 am

Last post by M7MBA
Sun Sep 12, 2021 4:33 am

Anne bought a computer for $2,000 and then paid a 5 percent sales tax, and Henry bought a computer for $1,800 and then

by BTGmoderatorDC » Sat Sep 11, 2021 7:16 pm

Last post by BTGmoderatorDC
Sat Sep 11, 2021 7:16 pm

If $y>2,$ and $\dfrac{(x-2)^2+6}{y}=\dfrac{70y+70}{y+y^2}$ which of the following could be the value of $2x + 3?$

by BTGmoderatorLU » Sat Sep 11, 2021 3:25 pm

Last post by BTGmoderatorLU
Sat Sep 11, 2021 3:25 pm

The probability that event $M$ will not occur is $0.8$ and the probability that event $R$ will not occur is

by M7MBA » Sat Sep 11, 2021 2:33 pm

Last post by M7MBA
Sat Sep 11, 2021 2:33 pm

In the trapezoid above, $BC$ is parallel to $AD,$ angle $A$ is $45$ degrees and the length of line segment

by M7MBA » Sat Sep 11, 2021 2:29 pm

Last post by M7MBA
Sat Sep 11, 2021 2:29 pm

The median of the list of positive integers above is $5.5.$ Which of the following could be the average (arithmetic me

by M7MBA » Sat Sep 11, 2021 2:22 pm

Last post by M7MBA
Sat Sep 11, 2021 2:22 pm

Abe, Beth, and Carl each start to write a science fiction book. Their individual probabilities for completing their resp

by M7MBA » Sat Sep 11, 2021 2:18 pm

Last post by M7MBA
Sat Sep 11, 2021 2:18 pm

A grocer has 400 pounds of coffee in stock, 20 percent of which is decaffeinated. If the grocer buys another 100 pounds

by M7MBA » Sat Sep 11, 2021 2:14 pm

Last post by M7MBA
Sat Sep 11, 2021 2:14 pm

The 15 homes in a new development are each to be sold for one of three different prices so that the developer receives a

by M7MBA » Sat Sep 11, 2021 2:07 pm

Last post by M7MBA
Sat Sep 11, 2021 2:07 pm

If (4 - x)/(2 + x) = x, what is the value of x^2 + 3x -4?

by AAPL » Sat Sep 11, 2021 6:51 am

Last post by Brent@GMATPrepNow
Sat Sep 11, 2021 11:53 am

0.35 represents what percent of 0.007?

by AAPL » Sat Sep 11, 2021 7:08 am

Last post by Brent@GMATPrepNow
Sat Sep 11, 2021 11:52 am

If the sum of 5, 8, 12, and 15 is equal to the sum of 3, 4, x, and x+3, what is the value of x?

by AAPL » Fri Sep 10, 2021 9:31 am

Last post by Brent@GMATPrepNow
Sat Sep 11, 2021 6:30 am

In a forest, the ratio of pine trees to maple trees is 7:3, and the ratio of oak trees to maple trees is 5:2. What is

by BTGmoderatorLU » Fri Sep 10, 2021 1:30 pm

Last post by BTGmoderatorLU
Fri Sep 10, 2021 1:30 pm

Last Sunday a certain store sold copies of Newspaper $A$ for $\$1.00$ each and copies of Newspaper $B$ for

by VJesus12 » Thu Sep 09, 2021 7:48 am

Last post by Brent@GMATPrepNow
Thu Sep 09, 2021 4:49 pm

Fractions/Ratios/Decimals

by swerve » Thu Sep 09, 2021 1:59 pm

Last post by swerve
Thu Sep 09, 2021 1:59 pm

A child throws six differently colored candies up in the air. How many different possible groups of at least one candy

by VJesus12 » Thu Sep 09, 2021 8:43 am

Last post by VJesus12
Thu Sep 09, 2021 8:43 am

The 6 seats across the front row of an airplane are labeled A to F. The seats labeled “A” and “F” are window seats. The

by VJesus12 » Thu Sep 09, 2021 8:40 am

Last post by VJesus12
Thu Sep 09, 2021 8:40 am

$\dfrac{0.99999999}{1.0001}-\dfrac{0.99999991}{1.0003}=$

by VJesus12 » Thu Sep 09, 2021 8:32 am

Last post by VJesus12
Thu Sep 09, 2021 8:32 am

If $S=1+\dfrac1{2^2}+\dfrac1{3^2}+\dfrac1{4^2}+\dfrac1{5^2}+\dfrac1{6^2}+\dfrac1{7^2}+\dfrac1{8^2}+\dfrac1{9^2}+$

by VJesus12 » Thu Sep 09, 2021 8:18 am

Last post by VJesus12
Thu Sep 09, 2021 8:18 am

Which of the following is the product of two integers whose sum is 11?

by VJesus12 » Thu Sep 09, 2021 8:12 am

Last post by VJesus12
Thu Sep 09, 2021 8:12 am

If $\$1000$ was invested at an annual interest rate of $5.6\%$ compounded annually, which of the following represent

by VJesus12 » Thu Sep 09, 2021 8:06 am

Last post by VJesus12
Thu Sep 09, 2021 8:06 am

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

by BTGmoderatorDC » Thu Sep 09, 2021 8:03 am

Last post by BTGmoderatorDC
Thu Sep 09, 2021 8:03 am

The product $7 \cdot 6 \cdot 5 \cdot 4 \cdot 3$ is divisible by all of the following EXCEPT:

by VJesus12 » Thu Sep 09, 2021 8:00 am

Last post by VJesus12
Thu Sep 09, 2021 8:00 am

It takes the high-speed train $x$ hours to travel the $z$ miles from Town $A$ to Town $B$ at a constant rate,

by VJesus12 » Thu Sep 09, 2021 7:57 am

Last post by VJesus12
Thu Sep 09, 2021 7:57 am

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