BRAIN TEASERS

Daily Brain Teasers for Wednesday, 01 July 2026

Daily Brain Teasers for Wednesday, 01 July 2026 puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ...

Find number abc

If 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist.
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#brainteasers #math

What a winning combination?

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.
CHECK ANSWER
#brainteasers #mastermind

Calculate the number 1520

NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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#brainteasers #math #numbermania

This duck walks into a conveni...

This duck walks into a convenience store and asks the clerk, "Do you have any grapes?"

The clerk says no, and the duck leaves. The next day, the duck returns and asks, "Do you have any grapes?" The clerk again says no, and the duck leaves.

The day after that, the duck walks in the store again and asks "Do you have any grapes?" The clerk screams at the duck, "You've come in here the past two days and asked if we had any grapes. I told you no every time that we don't have any grapes!

I swear if you come back in here again, and ask for grapes, I'll nail your webbed feet to the floor!!" The duck left, and returned the next day. This time he asked, "Do you have any nails?"

The clerk replied, "No," and the duck said, "Good! Got any grapes?"

Jokes of the day - Daily updated jokes. New jokes every day.

Find number abc

If 699a9 - 5cc46 = b658c find number abc. Multiple solutions may exist.
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#brainteasers #math

U.S. Standards Bureau

In 1901, the U.S. National Bureau of Standards became effective. It had been established under an Act of Congress (31 Stat. 1449) approved 3 Mar 1901 that expanded the functions of the Office of Standard Weights and Measures, previously part of the Coast and Geodetic Survey. Its duties included the custody of the standards; comparison of standards; construction of standards; testing and calibration of standard measuring apparatus; and determination of physical constants and the properties of materials which are of great importance to scientific or manufacturing interests. The Bureau became the National Institute of Standards and Technology (N.I.S.T) in 1988.«*

Which is a winning combination of digits?

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.
CHECK ANSWER
#brainteasers #mastermind

Calculate the number 1352

NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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#brainteasers #math #numbermania

MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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.
CHECK ANSWER
#brainteasers #math #magicsquare

Find number abc

If c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist.
CHECK ANSWER
#brainteasers #math

Which is a winning combination of digits?

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.
CHECK ANSWER
#brainteasers #mastermind

Calculate the number 8628

NUMBERMANIA: Calculate the number 8628 using numbers [5, 4, 5, 4, 50, 937] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
CHECK ANSWER
#brainteasers #math #numbermania
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