BRAIN TEASERS
Math (page 85)

Math (page 85)

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 841 to 850.
Register with your Google Account and start collecting points.
Check your ranking on list.
[link]

Find number abc

If b9a14 - bb96c = 1a5c find number abc. Multiple solutions may exist.
Correct answers: 12
CHECK ANSWER
#brainteasers #math
[link]

Calculate the number 1268

NUMBERMANIA: Calculate the number 1268 using numbers [9, 2, 5, 8, 38, 378] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
[link]

Find number abc

If 3879a + c02c7 = b90c2 find number abc. Multiple solutions may exist.
Correct answers: 4
CHECK ANSWER
#brainteasers #math

A lawyer is standing in a long...

A lawyer is standing in a long line at the box office. Suddenly, he feels a pair of hands kneading his shoulders, back, and neck. The lawyer turns around. "What the hell do you think you're doing?" "I'm a chiropractor, and I'm just keeping in practice while I'm waiting in line." "Well, I'm a lawyer, but you don't see me screwing the guy in front of me, do you?"
Jokes of the day - Daily updated jokes. New jokes every day.
[link]

Calculate the number 2964

NUMBERMANIA: Calculate the number 2964 using numbers [3, 4, 9, 3, 27, 912] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
CHECK ANSWER
#brainteasers #math #numbermania
[link]

MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (4, 6, 7, 10, 18, 20, 21, 22, 24, 25, 65) 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: 1
CHECK ANSWER
#brainteasers #math #magicsquare
[link]

Find number abc

If a6b1b + 6cc91 = 146aca find number abc. Multiple solutions may exist.
Correct answers: 4
CHECK ANSWER
#brainteasers #math
[link]

Calculate the number 4448

NUMBERMANIA: Calculate the number 4448 using numbers [4, 1, 6, 1, 33, 858] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
[link]

Find number abc

If 6ba8c + a99cc = c0bb9b find number abc. Multiple solutions may exist.
Correct answers: 5
CHECK ANSWER
#brainteasers #math
[link]

Calculate the number 489

NUMBERMANIA: Calculate the number 489 using numbers [1, 1, 3, 3, 54, 544] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
[link]

MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 8, 11, 25, 26, 29, 51, 52, 55) 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: 2
CHECK ANSWER
#brainteasers #math #magicsquare
PREVIOUS PAGE
NEXT PAGE
Follow Brain Teasers on social networks
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Last Correct Answer

Top 10 Users (1174)

1. H Tav
5861
2. c. raj.
5777
3. Nasrin 24 T
5731
4. Fazil Hashim
5718
5. Thinh Ddh
5557
6. Alfa Omega
4681
7. Djordje Timotijevic
4549
8. Mita Kojd
4525
9. Jakubovski Vladimir
4443
10. Chandu Rajyaguru
4419
See full ranking list

Jerome Karle

Died 6 Jun 2013 at age 94 (born 18 Jun 1918).American physical chemist who shared the 1985 Nobel prize in chemistry (with Herbert A. Hauptman) for “for their outstanding achievements in the development of direct methods for the determination of crystal structures.” Their work made possible the determination of such 3D crystal structures as hormone, vitamin and antibiotic molecules. He began his career with a brief time in Chicago in the early 1940s working for the Manhattan Project developing the atomic bomb, then he joined the staff of the Naval Research Laboratory in 1946. He became their chief scientist for the Laboratory for the Structure of Matter in 1968.«
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.