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Free: one lesson and one timed question a day, picked by topic

The weights of potatoes grown on a large farm are approximately normally distributed with a mean of 8.7 ounces and a

by BTGmoderatorDC » Fri Jun 10, 2022 6:13 am

0

Last post by BTGmoderatorDC
Fri Jun 10, 2022 6:13 am

An office comprised of eight employees is planning to have a foosball game. A matchup consists of four players, split in

by BTGmoderatorDC » Thu Jun 09, 2022 5:37 am

0

Last post by BTGmoderatorDC
Thu Jun 09, 2022 5:37 am

A basketball is dropped from a height of 20 feet. If it bounces back up to a height that is exactly half of its previous

by VJesus12 » Sun Dec 06, 2020 8:10 am

1

Last post by Brent@GMATPrepNow
Tue Jun 07, 2022 11:13 am

In how many ways can one divide 12 different chocolate bars into four packs of 3 bars each?

by BTGmoderatorDC » Wed Jun 01, 2022 4:18 am

1

Last post by Brent@GMATPrepNow
Sun Jun 05, 2022 4:54 pm

Anthony and Michael sit on the six member board of directors for company X. If the board is to be split up into 2

by BTGmoderatorDC » Thu Jun 02, 2022 10:50 pm

1

Last post by Brent@GMATPrepNow
Sun Jun 05, 2022 4:50 pm

Regular polygon X has r sides, and each vertex has an angle measure of s, an integer. If

by BTGmoderatorDC » Sun Jun 05, 2022 12:31 am

0

Last post by BTGmoderatorDC
Sun Jun 05, 2022 12:31 am

A hundred identical cubic boxes are currently arranged in four cubes: a single cubic box,

by BTGmoderatorDC » Tue May 31, 2022 6:33 am

0

Last post by BTGmoderatorDC
Tue May 31, 2022 6:33 am

In the below addition A, B, C, D, E, F, and G represent the digits 0, 1, 2, 3, 4, 5 and 6. If each variable has a

by BTGmoderatorDC » Fri May 27, 2022 7:09 pm

1

Last post by Brent@GMATPrepNow
Sat May 28, 2022 5:59 am

How many positive integers less than 100 are neither multiples of 2 or 3.

by BTGmoderatorDC » Mon May 23, 2022 6:37 am

1

Last post by Brent@GMATPrepNow
Thu May 26, 2022 10:10 am

On July 1 of last year, total employees at company E was decreased by 10 percent. Without any change in the salaries of

by BTGmoderatorDC » Mon May 23, 2022 7:42 pm

1

Last post by Brent@GMATPrepNow
Thu May 26, 2022 10:07 am

How many 4-digit positive integers are there in which all 4 digits are even?

by BTGmoderatorDC » Wed May 25, 2022 3:26 am

1

Last post by Brent@GMATPrepNow
Thu May 26, 2022 9:48 am

Probability - What's Wrong?

by AndreiGMAT » Wed Apr 27, 2016 10:42 pm

6

Last post by ygcrowanhand
Tue May 24, 2022 6:11 am

In a certain sequence, every term after the first is determined by multiplying the previous term by an integer constant

by BTGmoderatorDC » Sun May 22, 2022 2:29 am

0

Last post by BTGmoderatorDC
Sun May 22, 2022 2:29 am

Ms. Morris invested in Fund A and Fund B. The total amount she invested, in both funds combined, was $100,000. In one

by BTGmoderatorDC » Thu May 19, 2022 10:47 pm

0

Last post by BTGmoderatorDC
Thu May 19, 2022 10:47 pm

A rectangle, ABCD, is to be constructed in an XY-plane such that AB is parallel to y-axis and BC is parallel to x-axis.

by BTGmoderatorDC » Wed May 18, 2022 7:27 pm

0

Last post by BTGmoderatorDC
Wed May 18, 2022 7:27 pm

In a box of 12 pens, a total of 3 are defective. If a customer buys 2 pens selected at random from the box, what is the

by BTGmoderatorDC » Fri Jul 10, 2020 7:05 pm

2

Last post by ygcrowanhand
Wed May 18, 2022 10:36 am

In how many ways can 5 different fruits be distributed among four children?

by BTGmoderatorDC » Wed May 18, 2022 5:31 am

1

Last post by GMATDude1
Wed May 18, 2022 8:21 am

If x^2 < x, then x must be

by BTGmoderatorDC » Sat May 14, 2022 5:14 pm

1

Last post by Brent@GMATPrepNow
Sun May 15, 2022 10:25 am

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

by BTGmoderatorDC » Thu May 12, 2022 5:37 am

1

Last post by Brent@GMATPrepNow
Sat May 14, 2022 6:25 am

Of the 1,000 companies responding to a certain survey, what percent indicated that they had a business recovery plan?

by BTGmoderatorDC » Thu May 12, 2022 11:11 pm

0

Last post by BTGmoderatorDC
Thu May 12, 2022 11:11 pm

If x < y and y < 10, what is the greatest possible integer value of x + y?

by BTGmoderatorDC » Sun May 08, 2022 2:26 am

1

Last post by regor60
Tue May 10, 2022 1:37 pm

ratio problem with rats...

by yasem77 » Thu Jun 18, 2009 3:19 am

2

Last post by Brent@GMATPrepNow
Mon May 09, 2022 10:20 am

In the addition problem ADD + ADD + ADD = SUMS, each of A, D, S, U, and M represents a different digit, and A is even.

by BTGmoderatorDC » Fri May 06, 2022 2:21 am

0

Last post by BTGmoderatorDC
Fri May 06, 2022 2:21 am

At a local office, each trainee can stuff 2/3 as many envelopes per day as a full time worker. If there are 2525 as

by BTGmoderatorDC » Thu May 05, 2022 6:11 am

1

Last post by regor60
Thu May 05, 2022 12:31 pm

Sixty percent of the members of a study group are women, and 45 percent of those women are lawyers. If one member of the

by VJesus12 » Wed May 20, 2020 6:21 am

3

Last post by ygcrowanhand
Thu May 05, 2022 7:58 am

tricky

by Fab » Mon Nov 03, 2008 4:31 pm

9

Last post by Brent@GMATPrepNow
Mon May 02, 2022 6:46 am

A certain tank is filled to one quarter of its capacity with a mixture consisting of water and sodium chloride. The

by BTGmoderatorDC » Sat Apr 30, 2022 6:47 pm

0

Last post by BTGmoderatorDC
Sat Apr 30, 2022 6:47 pm

For a certain set of numbers, if x is in the set, then x - 3

by BTGmoderatorDC » Thu Sep 26, 2019 5:17 pm

3

Last post by Brent@GMATPrepNow
Fri Apr 29, 2022 6:56 am

Of the total houses on the market, 75 are brick, 95 have a garden, and 110 have a porch. If all the houses have at least

by BTGmoderatorDC » Thu Apr 28, 2022 10:32 pm

0

Last post by BTGmoderatorDC
Thu Apr 28, 2022 10:32 pm

Positive integer y is 50 percent of 50 percent of positive integer x, and y of x equals 100...

by AAPL » Tue Nov 10, 2020 6:28 pm

2

Last post by Brent@GMATPrepNow
Tue Apr 26, 2022 7:31 am

The mean weight of 12 packages a retailer needs to ship on Monday is 10 ounces. The retailer pays 50 cents per ounce on

by BTGmoderatorDC » Tue Apr 26, 2022 6:54 am

0

Last post by BTGmoderatorDC
Tue Apr 26, 2022 6:54 am

Identical blocks are stacked in rows to create a tower 24 rows tall. If the top row of the tower consists of four blocks

by BTGmoderatorDC » Sun Apr 24, 2022 5:07 pm

1

Last post by Brent@GMATPrepNow
Mon Apr 25, 2022 5:26 am

When positive integer x is divided by positive integer y, the quotient is 17 and the remainder is 3. When x is divided

by BTGmoderatorDC » Sun Apr 24, 2022 2:41 am

1

Last post by Brent@GMATPrepNow
Sun Apr 24, 2022 5:47 am

The figure above represents a network of one-way streets.

by BTGmoderatorDC » Fri Dec 13, 2019 4:56 pm

3

Last post by Brent@GMATPrepNow
Sat Apr 23, 2022 8:30 am

In a certain game, a large container is filled with blue, black, white, and orange beads worth, respectively

by BTGmoderatorDC » Fri Apr 22, 2022 3:10 am

0

Last post by BTGmoderatorDC
Fri Apr 22, 2022 3:10 am

What is sum of all even integers from 650 to 750, inclusive?

by BTGmoderatorDC » Thu Apr 21, 2022 3:47 am

0

Last post by BTGmoderatorDC
Thu Apr 21, 2022 3:47 am

Set X consists of the positive multiples of 5, and set Y consists of the odd prime numbers less than 20. If set Z

by BTGmoderatorDC » Wed Apr 20, 2022 2:41 am

0

Last post by BTGmoderatorDC
Wed Apr 20, 2022 2:41 am

If \(y + |y| = 0,\) which of the following must be true?

by Gmat_mission » Sun Jun 21, 2020 3:35 pm

1

Last post by Brent@GMATPrepNow
Tue Apr 19, 2022 5:42 am

change

by grandh01 » Sat Aug 18, 2012 10:58 am

2

Last post by Brent@GMATPrepNow
Tue Apr 19, 2022 5:41 am

In a certain brick wall, each row of bricks above the bottom row contains one less brick than the row just below it. If

by Vincen » Fri Jun 18, 2021 6:26 am

1

Last post by Brent@GMATPrepNow
Tue Apr 19, 2022 5:39 am

Probability: Boy or Girl?

by joconnor » Mon Dec 19, 2011 11:17 pm

8

Last post by Brent@GMATPrepNow
Tue Apr 19, 2022 5:34 am

For every positive integer p, f(p) represents the product of first p positive multiples of 3. How many prime numbers

by BTGmoderatorDC » Tue Apr 19, 2022 2:01 am

0

Last post by BTGmoderatorDC
Tue Apr 19, 2022 2:01 am

A baseball team’s season consists of playing 162 games. At a certain point in its season, the team has won 55 percent of

by BTGmoderatorDC » Sat Apr 16, 2022 9:54 pm

0

Last post by BTGmoderatorDC
Sat Apr 16, 2022 9:54 pm

GMAT PREP PS question

by alex.gellatly » Tue Apr 17, 2012 4:55 am

8

Last post by Brent@GMATPrepNow
Sat Apr 16, 2022 5:58 am

The fuel efficiency of a certain make of car was increased from 30 miles per gallon for last year’s model to 45 miles

by BTGmoderatorDC » Fri Apr 15, 2022 5:08 am

0

Last post by BTGmoderatorDC
Fri Apr 15, 2022 5:08 am

If M and N are two positive integers such that 7 times M is 9 times N and 1260 is the least number that is a multiple of

by BTGmoderatorDC » Wed Apr 13, 2022 8:54 pm

0

Last post by BTGmoderatorDC
Wed Apr 13, 2022 8:54 pm

If x/y is an integer, which of the following must also be an integer?

by BTGmoderatorDC » Wed Apr 13, 2022 5:44 am

0

Last post by BTGmoderatorDC
Wed Apr 13, 2022 5:44 am

There are 10 books on a shelf, of which 4 are paperbacks and 6 are hardbacks. How many possible selections of 5 books

by M7MBA » Sat Sep 25, 2021 11:25 pm

1

Last post by ygcrowanhand
Wed Apr 13, 2022 5:21 am

At a dinner party, 5 people are to be seated around a

by BTGmoderatorDC » Thu Apr 25, 2019 7:14 pm

6

Last post by Brent@GMATPrepNow
Tue Apr 12, 2022 9:29 am

The population of locusts in a certain swarm doubles every two hours. If 4 hours ago there were 1,000 locusts in the

by BTGmoderatorDC » Mon Apr 11, 2022 8:55 pm

0

Last post by BTGmoderatorDC
Mon Apr 11, 2022 8:55 pm

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