Problem Solving (PS)

05 May 2021, 00:22

ER

What is the product of all the prime numbers less than 10?

Sub 505 (Easy) | Number Properties

Sub 505 (Easy) | Number Properties hide tags

Bunuel

04 May 2021, 19:00

2

3,425

05 May 2021, 01:17

ER

If k = 5^3, and k^x = 5, what is the value of x?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

04 May 2021, 09:00

5

2

2,105

22 Jun 2024, 20:21

ER

A certain pharmacy sells 23 brands of pain relievers and 14 brands of

Sub 505 (Easy) | Overlapping Sets

Sub 505 (Easy) | Overlapping Sets hide tags

Bunuel

04 May 2021, 08:45

1

1,784

by: Rohit5678

09 May 2021, 11:19

ER

One laptop seller is planning to increase the price per laptop by INR

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Jihyo

04 May 2021, 08:36

24

5

9,483

by: choton96

14 Mar 2026, 12:00

ER

If (x - 2*3^(1/2)) is one of the quadratic x^2 + (4 3^(1/2))x - 36

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

04 May 2021, 08:30

9

7

2,339

03 Nov 2025, 16:05

ER

The population of a country increased by an average of 1% per year

805+ (Hard) | Word Problems

805+ (Hard) | Word Problems hide tags

Jihyo

04 May 2021, 08:27

17

4

6,077

by: Jxmes

02 Nov 2024, 13:16

ER

How many integer solutions are there to the inequality |x + 8| < x?

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

Bunuel

04 May 2021, 08:15

34

7

7,140

by: unraveled

25 Sep 2024, 08:34

ER

In the figure above, EB∥DC, the height of point A in △ABF is 2, and th

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

04 May 2021, 08:00

1

2

1,066

by: stne

17 May 2021, 04:03

ER

A garage has a stock of side mirrors. The ratio of right side mirrors

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Bunuel

04 May 2021, 07:45

10

3

1,904

by: KarishmaB

08 Aug 2023, 06:21

ER

The area of square ABCD is x^ 2 + 18√3 x + 243. What is the length of

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

04 May 2021, 07:30

1

2

999

08 May 2021, 02:45

ER

If OABC is a rectangle, what is the value of (p,q)?

Sub 505 (Easy) | Coordinate Geometry

Sub 505 (Easy) | Coordinate Geometry hide tags

Bunuel

04 May 2021, 07:15

2

1,481

04 May 2021, 22:54

ER

If a, b, c, and d are consecutive integers, and a<b<c<d, which of the

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

04 May 2021, 07:00

3

1,845

05 May 2021, 02:12

ER

The surface area of a sphere is 4πR^2, where R is the radius of the

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

04 May 2021, 06:45

1

2

2,724

by: KabxW

04 May 2021, 07:17

ER

5^7 × 5^7 =

Sub 505 (Easy) | Exponents

Sub 505 (Easy) | Exponents hide tags

Bunuel

04 May 2021, 06:30

1

1,075

by: Aswin12

04 May 2021, 06:54

ER

In a certain school of dolphins, 20 dolphins eat neither sardines nor

555-605 (Medium) | Overlapping Sets

555-605 (Medium) | Overlapping Sets hide tags

Bunuel

04 May 2021, 06:15

1

3

1,885

08 May 2021, 02:30

ER

x, y, and z are three positive integers whose average is 10. If x≤y≤z

655-705 (Hard) | Statistics and Sets Problems

655-705 (Hard) | Statistics and Sets Problems hide tags

Bunuel

04 May 2021, 06:00

9

3

4,609

21 Jul 2025, 21:52

ER

(1.00001)(0.99999) - (1.00002)(0.99998) =

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

04 May 2021, 05:45

37

8

12,204

13 Jun 2025, 07:55

ER

When Jack picks olives for two hours at three times his regular speed

655-705 (Hard) | Word Problems

655-705 (Hard) | Word Problems hide tags

Bunuel

04 May 2021, 05:30

5

4

1,534

by: sayan640

18 Sep 2024, 03:41

ER

Hannah covers half of the distance between her house and office at

505-555 (Easy) | Distance and Speed Problems

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

QuantMadeEasy

04 May 2021, 05:24

1

3

1,596

by: QuantMadeEasy

05 May 2021, 02:26

ER

The chance of rain on any given day in Tel-Aviv is 50%. What is the pr

555-605 (Medium) | Probability

555-605 (Medium) | Probability hide tags

Bunuel

04 May 2021, 05:00

10

3

3,314

10 Jul 2023, 06:55

ER

Sophia does three types of exercises when she works out—arm, leg, and

555-605 (Medium) | Fractions and Ratios, Word Problems

555-605 (Medium) | Fractions and Ratios, Word Problems hide tags

Bunuel

04 May 2021, 04:45

7

2

2,710

by: bv8562

17 May 2021, 07:33

ER

Consider triangle XYZ where the measure of angle X is less than the me

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Bunuel

04 May 2021, 04:30

1

2

1,711

by: Showmeyaa

04 May 2021, 04:56

ER

Paul's statue collection consisted entirely of statues made either of

505-555 (Easy) | Fractions and Ratios

505-555 (Easy) | Fractions and Ratios hide tags

Bunuel

04 May 2021, 04:15

1

2

1,696

by: sumitkrocks

04 May 2021, 05:01

ER

If a and b are positive integers, which of the following cannot be odd

705-805 (Hard) | Must or Could be True, Number Properties

705-805 (Hard) | Must or Could be True, Number Properties hide tags

Bunuel

04 May 2021, 04:00

5

3

2,993

03 Mar 2026, 07:45

ER

If (x − 2√3) is one factor of the equation x^2 + (4√3)x − 36 = 0, what

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

04 May 2021, 03:45

4

3

2,180

by: ayushiii02

19 Apr 2023, 10:22

ER

If c and d are positive integers, d ≥ 3, and c/9 = d, then which of th

555-605 (Medium) | Multiples and Factors

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

Bunuel

04 May 2021, 03:30

2

1,628

08 May 2021, 01:15

ER

((80+25)^2-8000)^(1/2)

605-655 (Medium) | Roots

605-655 (Medium) | Roots hide tags

Bunuel

04 May 2021, 03:15

15

4

3,909

23 Feb 2026, 01:40

ER

What is the area of an obtuse angled triangle whose two sides are 8 an

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

04 May 2021, 03:00

1

3

3,201

by: Thelegend2631

08 May 2021, 00:50

ER

What is the lowest positive integer that is divisible by each of the

555-605 (Medium) | Multiples and Factors

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

Bunuel

04 May 2021, 02:45

5

7

3,682

22 Nov 2023, 11:24

ER

ABCDEF is a regular six sided polygon, and EFG is a regular three side

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

04 May 2021, 02:30

2

1,003

by: prabha9899

04 May 2021, 03:03

ER

During an experiment, the growth rate of a bacteria colony is recorded

555-605 (Medium) | Word Problems

555-605 (Medium) | Word Problems hide tags

Bunuel

04 May 2021, 02:15

2

4

2,798

04 Apr 2023, 05:57

ER

There are k-2 members in a certain band, including Jim and Allan. Two

605-655 (Medium) | Combinations

605-655 (Medium) | Combinations hide tags

Bunuel

04 May 2021, 02:00

24

5

3,217

by: luisdicampo

30 Jan 2026, 07:47

ER

An express train and a scenic train travel to the same station in the

605-655 (Medium) | Word Problems

605-655 (Medium) | Word Problems hide tags

Bunuel

04 May 2021, 01:30

8

1

1,906

by: Rohit5678

09 May 2021, 10:51

ER

The weight of a glass jar is 20% of the weight of the jar filled with

605-655 (Medium) | Percent and Interest Problems

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

Bunuel

04 May 2021, 00:06

6

4

4,172

by: luisdicampo

03 Mar 2026, 02:26

ER

Desmond has 21 sheep. One sheep is eight years old, and the rest are

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

03 May 2021, 22:00

3

1,047

04 May 2021, 00:46

ER

If AB ≠ 0, is A > B? (1) |A| = B (2) |B|A < |AB|

805+ (Hard) | Absolute Values

805+ (Hard) | Absolute Values hide tags

AbhirajikaRathore

03 May 2021, 15:03

21

4

4,493

19 Sep 2024, 00:17

ER

The distance between –?/5 and X is ?/3 of the distance between

505-555 (Easy) | Coordinate Geometry

505-555 (Easy) | Coordinate Geometry hide tags

caimanoliveira

03 May 2021, 15:00

3

4

1,659

by: shwetakoshija

18 Dec 2025, 23:31

ER

X & Y entered into partnership with $700 and $600 respectively.

705-805 (Hard) | Fractions and Ratios, Word Problems

705-805 (Hard) | Fractions and Ratios, Word Problems hide tags

Jihyo

30 Sep 2024, 23:25

25

4

7,187

30 Nov 2025, 12:43

What is the maximum number of cubes each having

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Jihyo

03 May 2021, 10:27

2

1

1,028

by: lakshmimohan

03 May 2021, 14:31

Which of the following CANNOT be the median of the 3 positive integers

605-655 (Medium) | Statistics and Sets Problems

605-655 (Medium) | Statistics and Sets Problems hide tags

Shahalikhan

06 May 2021, 22:05

8

6

2,745

02 Jan 2024, 13:03

ER

If a and b are integers, and ab ≠ 0, and a^b < 0, then which of the

555-605 (Medium) | Exponents, Inequalities

555-605 (Medium) | Exponents, Inequalities hide tags

Bunuel

03 May 2021, 08:45

3

2,627

27 Aug 2025, 11:09

ER

The number 91 can be written as the sum of squares of 3 integers. Whic

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

03 May 2021, 08:15

5

4

3,564

10 May 2021, 04:00

ER

If $7600 is invested at 24% annual interest, compounded quarterly, how

555-605 (Medium) | Percent and Interest Problems

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

Russ19

03 May 2021, 07:53

2

1,163

04 May 2021, 07:48

ER

Tom runs empty-handed from one side of a yard to the other side at a

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

03 May 2021, 07:45

12

4

2,219

by: pierjoejoe

22 Sep 2024, 06:44

ER

5^8 − 4*5^7 + 4*5^6 = ?

505-555 (Easy) | Exponents

505-555 (Easy) | Exponents hide tags

Bunuel

03 May 2021, 07:15

3

1,272

by: Kinshook

03 May 2021, 08:40

ER

Which of the following is ranked in increasing order from left to righ

705-805 (Hard) | Roots

705-805 (Hard) | Roots hide tags

Ekland

03 May 2021, 06:20

11

2

3,560

11 Sep 2024, 01:50

ER

The distance between Nazareth to Bethlehem is 80 miles. On a certain

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

03 May 2021, 06:15

2

2,131