BRAIN TEASERS
Math

Math

These are fun math riddles. All of these tricky riddles are based on real math concepts and can be solved with purely math and logic. These are the tasks listed 1 to 10.
Register with your Google or Facebook Account and start collecting points.
Check your ranking on list.
[link]

Find number abc

If 828ba - 52bc7 = 3b787 find number abc. Multiple solutions may exist.
Correct answers: 7
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math
[link]

MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 21
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #riddles
[link]

Calculate the number 1172

NUMBERMANIA: Calculate the number 1172 using numbers [9, 3, 3, 4, 72, 424] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #numbermania

Mark Gross: Can You Help?

A couple days ago, I was crossing this bridge, and there was this character standing there with a cup in his hand. He goes, Hey, can you help out my wife and family? I said, Sure. And I pushed him off the bridge.
Jokes of the day - Daily updated jokes. New jokes every day.
[link]

Find number abc

If c7b1a + 6c6c3 = 1bb867 find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math
[link]

Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 55
The first user who solved this task is Thinh Ddh.
CHECK ANSWER
#brainteasers #math #riddles
[link]

Calculate the number 5084

NUMBERMANIA: Calculate the number 5084 using numbers [3, 8, 3, 9, 38, 644] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #numbermania
[link]

MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 46
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #riddles
[link]

MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (15, 16, 17, 18, 23, 24, 42, 44, 50, 58, 98) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B+C.
Correct answers: 11
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #magicsquare
[link]

Find number abc

If 7a06b + b91c9 = 1c1a04 find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math
[link]

Calculate 5+8

If 1+4=5, 2+5=12 and 3+6=21 then 5+8=?
Correct answers: 83
The first user who solved this task is Thinh Ddh.
CHECK ANSWER
#brainteasers #math #riddles
NEXT PAGE
Follow Brain Teasers on social networks
If 828ba - 52bc7 = 3b787 find number abc. Multiple solutions may exist.
Last Correct Answer

Top 10 Users

1. Sanja Šabović
2903
2. Djordje Timotijevic
2852
3. Thinh Ddh
2804
4. Manguexa Wagle
2781
5. H Tav
2563
6. Vladimir Krnac
2553
7. Jakubovski Vladimir
2464
8. Snezana Milanovic
2381
9. Jasmina Atarac
2345
10. Roxana zavari
2263
See full ranking list

Hermann M. Biggs

Died 28 Jun 1923 at age 63 (born 29 Sep 1859). American physician who pioneered the use of bacteriological studies in the field of public health for the prevention and control of contagious diseases. From 1884 he learnt about current advances in bacteriology by visiting Europe. In 1892, he was appointed the first director of a new Division of Pathology, Bacteriology and Disinfection within the New York City Department of Health - the first municipal bacteriological laboratory in the U.S. - to address the scare of cholera from immigrants arriving at the harbour. He became general medical officer of New York City (1901) and then commissioner of health for the state of New York (1914). The measures he developed for public health spread through the nation.
This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.