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

The sum of the first 50 positive even integers is 2550. What is the sum of even integers from 102 to 200 inclusive?

by BTGmoderatorLU » Thu Jan 21, 2021 2:27 pm

1

Last post by GMATGuruNY
Thu Jan 21, 2021 3:04 pm

The volume of a sphere with radius r is \(\dfrac{4}{3}\pi r^3.\) A solid sphere of radius r that is made of a certain...

by BTGmoderatorLU » Thu Jan 21, 2021 2:16 pm

0

Last post by BTGmoderatorLU
Thu Jan 21, 2021 2:16 pm

If \(s\) and \(t\) are positive integers such that \(\dfrac{s}{t} = 64.12,\) which of the following could be the remaind

by Vincen » Thu Jan 14, 2021 12:16 pm

2

Last post by swerve
Thu Jan 21, 2021 2:55 am

In the first week of the Year, Nancy saved $1. In each of the next 51 weeks, she saved $1 more than she had saved in the

by Vincen » Thu Jan 14, 2021 12:12 pm

2

Last post by Brent@GMATPrepNow
Wed Jan 20, 2021 4:05 pm

If a person purchases 15 of the 3,000 tickets sold in a raffle that awards one prize, what is the probability that...

by BTGmoderatorLU » Thu Jan 14, 2021 10:07 am

2

Last post by Brent@GMATPrepNow
Wed Jan 20, 2021 4:04 pm

If a equals the sum of the even integers from 2 to 20, inclusive, and b equals the sum of the odd integers from 1 to 19,

by BTGmoderatorLU » Thu Jan 14, 2021 9:56 am

1

Last post by Scott@TargetTestPrep
Wed Jan 20, 2021 2:50 pm

Which of the following fractions is closest to \(\dfrac12?\)

by Vincen » Thu Jan 14, 2021 12:06 pm

1

Last post by Scott@TargetTestPrep
Wed Jan 20, 2021 2:48 pm

The cost \(C,\) in dollars, to remove \(p\) percent of a certain pollutant from a pond is estimated by using the formula

by Vincen » Thu Jan 14, 2021 12:22 pm

1

Last post by Scott@TargetTestPrep
Wed Jan 20, 2021 2:40 pm

40 employees take 30 days, working

by NandishSS » Thu Nov 23, 2017 6:55 am

3

Last post by GMATGuruNY
Wed Jan 20, 2021 2:20 pm

There were 5 candidates (Alexa, Bill, Charlie, Dan, and Erni

by alanforde800Maximus » Thu Oct 13, 2016 11:20 am

12

Last post by GMATGuruNY
Wed Jan 20, 2021 1:38 pm

Que: A quiz consists of X questions, each of which is to be answered either “Yes” or “No.” What is the least value....

by Max@Math Revolution » Fri Jan 15, 2021 2:13 am

1

Last post by Max@Math Revolution
Wed Jan 20, 2021 6:09 am

If the lengths of the sides of a triangle are a, b, and 7

by gmat_winter » Wed Mar 25, 2015 8:32 am

6

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 9:22 am

Problem Solving for 780+ Aspirants.

by sureshbala » Fri Feb 06, 2009 11:52 pm

209

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 9:15 am

After driving to a riverfront parking lot, Bob plans to run south along the river, turn around, and return to the parkin

by Gmat_mission » Fri Jan 08, 2021 4:18 am

1

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 9:10 am

Jackie has two solutions that are 2 percent sulfuric acid and 12 percent sulfuric acid by volume, respectively. If these

by Gmat_mission » Fri Jan 08, 2021 4:23 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 9:07 am

If there are fewer than \(8\) zeroes between the decimal point and the first nonzero digit in the decimal expansion of

by Gmat_mission » Fri Jan 08, 2021 4:28 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 9:06 am

If \(n\) is a positive integer and the product of all integers from \(1\) to \(n,\) inclusive, is a multiple of \(990,\)

by Gmat_mission » Fri Jan 08, 2021 4:30 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 8:21 am

Of the 300 subjects who participated in an experiment using virtual-reality therapy to reduce their fear of heights, 40

by Gmat_mission » Fri Jan 08, 2021 4:33 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 8:20 am

If \(X\) is the hundredths digit in the decimal \(0.1X\) and if \(Y\) is the thousandths digit in the decimal \(0.02Y,\)

by Gmat_mission » Fri Jan 08, 2021 4:39 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 8:18 am

The sum of all the integers \(k\) such that \(-26 < k < 24\) is

by Gmat_mission » Fri Jan 08, 2021 4:43 am

1

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 8:17 am

Alex deposited \(x\) dollars into a new account that earned \(8\) percent annual interest, compounded annually. One year

by Gmat_mission » Fri Jan 08, 2021 4:49 am

1

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 8:16 am

A six-sided die with faces numbered one through six is rolled three times. What is the probability that the face...

by swerve » Fri Jan 08, 2021 9:56 am

1

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 8:14 am

Percent And Interest Problems

by swerve » Fri Jan 08, 2021 10:06 am

1

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 8:13 am

A certain experimental mathematics program was tried out in 2 classes in each of 32 elementary schools and involved 37

by Gmat_mission » Fri Jan 08, 2021 4:15 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 7:43 am

The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by

by Gmat_mission » Fri Jan 08, 2021 1:59 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 7:41 am

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 » Fri Jan 08, 2021 1:56 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 7:40 am

What is the smallest integer \(n\) for which \(25^n > 5^{12}?\)

by Gmat_mission » Fri Jan 08, 2021 1:55 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 7:39 am

In the coordinate system above, which of the following is the equation of line \(l?\)

by Gmat_mission » Thu Jan 07, 2021 10:56 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 7:38 am

If Jake loses 8 pounds, he will weigh twice as much as his sister. Together they now weigh 278 pounds. What is Jake's

by M7MBA » Thu Jan 07, 2021 10:25 am

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 6:23 am

Set N is a series of six consecutive odd integers. In set N, the lowest value is n^2 and the highest value is 7n. What

by BTGmoderatorDC » Mon Jan 11, 2021 5:22 pm

1

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 6:22 am

Que: A merchant bought 2,400 fans for $30 each. He sold 60 percent of the fans for $40 each and the rest for $35......

by Max@Math Revolution » Sat Jan 09, 2021 9:18 pm

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 6:21 am

Que: Box X and Box Y each contain many yellow balls and green balls......

by Max@Math Revolution » Mon Jan 11, 2021 9:23 pm

2

Last post by Scott@TargetTestPrep
Tue Jan 19, 2021 6:20 am

Annika hikes at a constant rate of 12 minutes per kilometer. She has hiked 2.75 kilometers east from the start...

by AAPL » Wed Jan 13, 2021 4:38 pm

2

Last post by Brent@GMATPrepNow
Mon Jan 18, 2021 7:44 am

Jaime earned enough money by selling seashells at 25 cents each to buy several used paperback books at 55 cents each...

by AAPL » Tue Jan 12, 2021 5:44 am

1

Last post by Scott@TargetTestPrep
Sun Jan 17, 2021 12:36 pm

A computer programmer needs to print 148 documents. The documents have an average (arithmetic mean) length of 10...

by AAPL » Tue Jan 12, 2021 6:09 am

2

Last post by Scott@TargetTestPrep
Sun Jan 17, 2021 12:35 pm

The front of a 6-foot-by-8-foot rectangular door has brass rectangular trim, as indicated by the shading in the...

by BTGmoderatorLU » Tue Jan 12, 2021 4:03 pm

1

Last post by Scott@TargetTestPrep
Sun Jan 17, 2021 12:34 pm

A real estate investment firm began the year with 80% of its investments in commercial real estate and 20% in

by BTGmoderatorDC » Tue Jan 12, 2021 5:53 pm

2

Last post by Scott@TargetTestPrep
Sun Jan 17, 2021 12:33 pm

What is the 25th digit to the right of the decimal in the decimal point of the form 6/11?

by BTGmoderatorLU » Tue Jan 12, 2021 4:12 pm

2

Last post by Scott@TargetTestPrep
Sun Jan 17, 2021 12:32 pm

If the hypotenuse of isosceles right triangle ABC has the same length as the height of equilateral triangle DEF...

by AAPL » Wed Jan 13, 2021 4:19 pm

1

Last post by Scott@TargetTestPrep
Sun Jan 17, 2021 12:31 pm

A solution that is 20% acetic acid by volume is mixed with a solution that is 50% acetic acid by volume , resulting in a

by BTGmoderatorDC » Wed Jan 13, 2021 6:31 pm

1

Last post by Scott@TargetTestPrep
Sun Jan 17, 2021 12:30 pm

If a, b, c, and d are integers where 0 < a < b < c < d, what is the value of a + b + c +d? (1) a, b, c, and d are

by BTGmoderatorDC » Tue Jan 14, 2020 6:00 pm

1

Last post by Scott@TargetTestPrep
Sun Jan 17, 2021 11:26 am

In the given figure, \(BD\) is the median of triangle \(ABC\) and the lines \(BD\) and \(CE\) intersect ...

by Gmat_mission » Sun Jan 17, 2021 11:00 am

0

Last post by Gmat_mission
Sun Jan 17, 2021 11:00 am

An empty reservoir has two taps for water inlet – one at the top of the reservoir and the other at the bottom.

by M7MBA » Sun Jan 17, 2021 9:56 am

0

Last post by M7MBA
Sun Jan 17, 2021 9:56 am

Seb’s watch gains 5 seconds every 3 hours, whereas Lewis’ watch loses 10 seconds every 2 hours.

by M7MBA » Sun Jan 17, 2021 9:52 am

0

Last post by M7MBA
Sun Jan 17, 2021 9:52 am

A set consists of n positive integers arranged in decreasing order of value....

by M7MBA » Sun Jan 17, 2021 9:45 am

0

Last post by M7MBA
Sun Jan 17, 2021 9:45 am

The Sum of the first 11 terms of an arithmetic progression is 275. Which of the following can be the sum of the first 12

by M7MBA » Sun Jan 17, 2021 9:23 am

0

Last post by M7MBA
Sun Jan 17, 2021 9:23 am

If \(\dfrac{X}{Y} = 5.32,\) where \(X\) and \(X\) are integers, what is the sum of all the values of \(Y\) that yield a

by M7MBA » Sun Jan 17, 2021 9:12 am

0

Last post by M7MBA
Sun Jan 17, 2021 9:12 am

If \(x\) is an integer, then how many values of \(x\) will satisfy the equation \(||x - 2| + 7| = 6?\)

by M7MBA » Sun Jan 17, 2021 9:08 am

0

Last post by M7MBA
Sun Jan 17, 2021 9:08 am

Find the perimeter of the isosceles triangle whose unequal side is equal to 16 units and the area of the triangle is 48

by M7MBA » Sun Jan 17, 2021 9:05 am

0

Last post by M7MBA
Sun Jan 17, 2021 9:05 am

The length, breadth, and height of a rectangular box are in the ratio of \(6: 5: 4.\) If the length is halved, the bread

by M7MBA » Sun Jan 17, 2021 9:02 am

0

Last post by M7MBA
Sun Jan 17, 2021 9:02 am

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