Problem Solving (PS)

14 Jul 2025, 12:44

A and B can do a job in 12 days, B and C can do the job in

605-655 (Medium) | Work and Rate Problems

605-655 (Medium) | Work and Rate Problems hide tags

radifahmed

31 Jan 2024, 14:47

11

4

4,331

17 Jun 2025, 03:31

ER

A total of 45 male and female students took a math test. The male

505-555 (Easy) | Statistics and Sets Problems

505-555 (Easy) | Statistics and Sets Problems hide tags

Bunuel

31 Jan 2024, 02:30

9

4

1,476

by: mayankdgmat

31 Jan 2024, 09:44

ER

If f(x,y) = 10x/(2x + 3y) + 20y/(3x + 2y), where 0 < x < y, which of

805+ (Hard) | Algebra, Functions and Custom Characters

805+ (Hard) | Algebra, Functions and Custom Characters hide tags

Bunuel

31 Jan 2024, 02:30

32

6

4,802

by: Wadree

17 Sep 2025, 01:59

ER

Last week the ratio of the number of trucks sold to the number of cars

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

guddo

30 Jan 2024, 11:01

10

2

4,724

24 Nov 2025, 20:17

ER

2*10^(1/3) =

505-555 (Easy) | Roots

505-555 (Easy) | Roots hide tags

guddo

30 Jan 2024, 10:55

15

2

4,723

19 Mar 2026, 08:55

ER

What is the least value of x for which (3x + 2)(2x + 1) - (4x + 1)

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

guddo

30 Jan 2024, 10:50

15

2

5,473

22 Feb 2025, 00:00

ER

A length of rope 7.2 feet long is cut into three pieces. The lengths

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

guddo

30 Jan 2024, 10:40

1

3,504

30 Jan 2024, 10:45

ER

If the average (arithmetic mean) of the five numbers 14, 20, 27, n + 2

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

guddo

30 Jan 2024, 10:36

4

2

3,071

30 Apr 2025, 04:45

ER

Jawad takes a loan of 3200 Taka from Adree, a usurer. The interest rat

Sub 505 (Easy) | Percent and Interest Problems

Sub 505 (Easy) | Percent and Interest Problems hide tags

proxy__guy123

30 Jan 2024, 09:35

3

2

1,222

30 Jan 2024, 10:28

ER

(1 - (4/5)^2)^(1/2) =

Sub 505 (Easy) | Roots

Sub 505 (Easy) | Roots hide tags

guddo

30 Jan 2024, 09:24

3

2

3,748

02 Jan 2026, 20:16

ER

At a certain college last year, a total of 260 students took College

605-655 (Medium) | Overlapping Sets

605-655 (Medium) | Overlapping Sets hide tags

guddo

30 Jan 2024, 09:17

62

3

11,953

23 Mar 2026, 19:07

ER

If (9x - 1)^(1/2) = (4x)^(1/2), then x =

Sub 505 (Easy) | Algebra, Roots

Sub 505 (Easy) | Algebra, Roots hide tags

guddo

30 Jan 2024, 09:07

3

2

4,609

17 Mar 2026, 11:31

ER

3^41 + 3^42 + 3^43 =

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

guddo

30 Jan 2024, 08:53

14

5

5,531

by: egmat

12 Sep 2025, 07:39

ER

What is the Greatest Common Factor

555-605 (Medium) | Multiples and Factors

555-605 (Medium) | Multiples and Factors hide tags

nivivacious

30 Jan 2024, 08:49

2

1,711

30 Jan 2024, 09:07

ER

If p is the product of the first n consecutive positive integers, and

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

guddo

30 Jan 2024, 08:32

57

3

10,220

14 Sep 2025, 13:31

ER

All 15 members of a foreign language club speak one or more of three

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

guddo

30 Jan 2024, 07:11

59

3

13,072

by: shreyans0311

28 Mar 2026, 06:43

ER

The traffic signal facing north at Broad Street and First Avenue

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guddo

30 Jan 2024, 07:06

57

11

10,007

by: Scholar94

27 Sep 2025, 15:53

ER

Of the 3,600 families in Township X, 1/2 subscribe to the Beacon, 1/4

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

guddo

30 Jan 2024, 02:46

8

2

5,031

10 Jun 2025, 18:13

ER

If y^2 is the sum of the squares of 11 consecutive integers, what is

655-705 (Hard) | Number Properties

655-705 (Hard) | Number Properties hide tags

Bunuel

30 Jan 2024, 02:30

17

3

2,485

by: tommychudw

15 Mar 2025, 01:06

ER

If the tens digit of the positive integers x and y is 6, how many

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

30 Jan 2024, 02:30

12

3

3,264

20 Oct 2025, 09:47

ER

If a > 0, b = 2a, and c = 2b, which of the following is equivalent to

655-705 (Hard) | Exponents

655-705 (Hard) | Exponents hide tags

guddo

29 Jan 2024, 15:05

63

3

12,220

02 Feb 2026, 04:37

ER

The sum of the first in positive integers is given by n(n + 1)/2. What

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

guddo

29 Jan 2024, 14:33

87

6

18,452

by: gladgaming

31 Mar 2026, 11:06

ER

How many of the factors of 210 are odd numbers greater than 1?

655-705 (Hard) | Multiples and Factors, Number Properties

655-705 (Hard) | Multiples and Factors, Number Properties hide tags

guddo

29 Jan 2024, 23:24

63

8

12,581

26 Aug 2025, 04:15

ER

Four banks offered home equity loans at the rates of 4 7/8 percent, 5

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

guddo

29 Jan 2024, 23:56

67

8

14,648

by: Dream009

25 Oct 2025, 08:57

ER

At the opening of business yesterday, there were 10 cereal boxes weigh

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guddo

29 Jan 2024, 11:11

56

3

10,591

by: KarishmaB

24 Apr 2025, 08:26

ER

If n is a positive integer, then (8^(2n))(3^(-4n))/(2^(-n))(9^(-5n))?

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

guddo

29 Jan 2024, 10:50

14

3

5,182

31 Mar 2025, 10:15

ER

If x is a positive integer, which of the following CANNOT be the units

Sub 505 (Easy) | Exponents, Number Properties

Sub 505 (Easy) | Exponents, Number Properties hide tags

guddo

29 Jan 2024, 10:25

3

2

3,616

22 Apr 2026, 16:27

ER

Which of the following inequalities is equivalent to the inequality

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

guddo

29 Jan 2024, 10:18

4

2

4,980

17 Sep 2025, 06:35

ER

John's annual salary of x dollars is twice Lee's annual salary and

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

guddo

29 Jan 2024, 10:06

4

3

3,125

16 Mar 2025, 08:34

ER

The permutation function P is defined by the formula P(n,r)=n!/(n-r)!

555-605 (Medium) | Combinations +2 tags

555-605 (Medium) | Combinations, Inequalities, Min-Max Problems hide tags

guddo

29 Jan 2024, 23:53

22

3

7,039

25 Feb 2026, 23:30

ER

If p and s are different prime numbers, how many different positive

555-605 (Medium) | Multiples and Factors, Number Properties

555-605 (Medium) | Multiples and Factors, Number Properties hide tags

guddo

29 Jan 2024, 08:27

41

9

11,908

11 Feb 2026, 00:09

ER

If y > 0 , which of the following is equal to (45y^3)(1/2)?

Sub 505 (Easy) | Roots

Sub 505 (Easy) | Roots hide tags

guddo

29 Jan 2024, 07:55

7

2

3,565

24 Nov 2025, 15:51

ER

Among the N books in Estelle's library, 40 are fiction and the rest

555-605 (Medium) | Min-Max Problems, Overlapping Sets

555-605 (Medium) | Min-Max Problems, Overlapping Sets hide tags

guddo

29 Jan 2024, 07:45

42

5

8,505

04 Jun 2025, 09:20

ER

Paul has twice as many coins valued 25 cents as he has coins valued 10

605-655 (Medium) | Fractions and Ratios

605-655 (Medium) | Fractions and Ratios hide tags

guddo

29 Jan 2024, 02:51

43

3

9,044

by: aliasipsa

23 Sep 2025, 01:44

ER

A bus travels between two cities in 6 hours at an average speed of 90

505-555 (Easy) | Distance and Speed Problems

505-555 (Easy) | Distance and Speed Problems hide tags

guddo

29 Jan 2024, 02:45

21

3

6,365

14 Mar 2025, 15:48

ER

Working together at their respective constant rates, machine R

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

guddo

29 Jan 2024, 02:38

22

3

8,226

29 Dec 2025, 02:06

ER

How many unique sums can be created by adding 2 distinct numbers from

705-805 (Hard) | Arithmetic

705-805 (Hard) | Arithmetic hide tags

Bunuel

29 Jan 2024, 02:30

7

6

3,098

by: Lhchdjendj

25 Feb 2024, 21:05

ER

In a certain theater, the first row has 8 seats, and each subsequent

605-655 (Medium) | Arithmetic, Number Properties

605-655 (Medium) | Arithmetic, Number Properties hide tags

Bunuel

29 Jan 2024, 02:30

27

2

3,821

04 May 2025, 21:16

ER

Which of the following is equal to 72^8/9^3?

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

guddo

29 Jan 2024, 02:26

10

2

4,941

14 Jul 2025, 04:01

ER

Of the vehicles (cars and trucks) for sale at a certain dealership, 48

605-655 (Medium) | Overlapping Sets, Percent and Interest Problems

605-655 (Medium) | Overlapping Sets, Percent and Interest Problems hide tags

guddo

29 Jan 2024, 02:10

60

3

7,076

by: HarshavardhanR

15 Nov 2025, 21:25

ER

After an appliance store decreased the selling price of a certain hot

555-605 (Medium) | Percent and Interest Problems

555-605 (Medium) | Percent and Interest Problems hide tags

guddo

29 Jan 2024, 01:26

41

6

8,971

22 Jun 2025, 01:00

ER

Ed's own pump, operating alone at its constant rate, can empty his

Sub 505 (Easy) | Work and Rate Problems

Sub 505 (Easy) | Work and Rate Problems hide tags

guddo

29 Jan 2024, 01:02

10

4

5,551

20 Dec 2025, 04:26

ER

For all numbers n, the symbol [n] denotes the greatest integer less

505-555 (Easy) | Functions and Custom Characters, Number Properties

505-555 (Easy) | Functions and Custom Characters, Number Properties hide tags

guddo

29 Jan 2024, 00:55

31

7

7,784

24 Nov 2025, 20:17

ER

Last year a certain farm's cost for fertilizer was 15 percent of its

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

guddo

29 Jan 2024, 00:35

44

3

8,826

14 Jun 2025, 04:22

ER

If (x + 3)^2 = y, then in terms of y, x^2 + 6x + 17 =

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

guddo

28 Jan 2024, 15:24

15

4

4,624

by: GMATinsight

16 Mar 2025, 01:39

ER

In rectangle ABCD, if point P (not shown) is to be randomly selected

555-605 (Medium) | Geometry, Probability

555-605 (Medium) | Geometry, Probability hide tags

guddo

28 Jan 2024, 15:15

70

8

7,750

22 May 2025, 23:34

ER

If x/y = 3/2 and y/z = 4/6, then x - z =

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

guddo

28 Jan 2024, 14:54

5

2

3,567

22 Apr 2026, 16:47

ER

A fully rented apartment building contains 30 apartments consisting of

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

guddo

28 Jan 2024, 14:40

4

2

3,724