Daily Brain Teasers for Thursday, 03 September 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
MAGIC SQUARE: Calculate A+B+C
The aim is to place the some numbers from the list (4, 7, 8, 9, 12, 13, 19, 44, 47, 48, 62, 97) 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.
#brainteasers #math #magicsquare
Find number abc
If 129ac + c1aab = 9ba32 find number abc. Multiple solutions may exist.
#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.
#brainteasers #mastermind

A small boy came running out o...
A small boy came running out of the bathroom in tears.
"What's the matter?" asked his father.
"I dropped my toothbrush in the toilet."
"Okay, don't worry, but we'd better throw it out."
So the father fished the toothbrush out of the toilet and put it in the garbage. When he returned, the boy was holding another toothbrush.
"Isn't that my toothbrush?" the father said.
"Yes," said the boy, "and we'd better throw this one out too, because it fell in the toilet four days ago."
"What's the matter?" asked his father.
"I dropped my toothbrush in the toilet."
"Okay, don't worry, but we'd better throw it out."
So the father fished the toothbrush out of the toilet and put it in the garbage. When he returned, the boy was holding another toothbrush.
"Isn't that my toothbrush?" the father said.
"Yes," said the boy, "and we'd better throw this one out too, because it fell in the toilet four days ago."
Calculate the number 323
NUMBERMANIA: Calculate the number 323 using numbers [4, 4, 6, 6, 29, 125] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Largest hailstoneIn 1970, a record hailstone fell on Coffeyville, Kansas, the heaviest authenticated one to fall in the U.S. in the 20th century. Its weight was recorded as 1-lb 11-oz (0.77kg) with 5.7-in (14.7cm) diam. It broke the old record from 6 Jul 1928 at Potter, Nebraska, for one weighing about 1-lb 8-oz (0.68kg), around 7-in diam. A newer U.S. record for size was set on 22 Jun 2003 in Aurora, Nebraska, when a hailstone was found about 7-in diam. (17.8cm) and 18.75-in (46.6cm) circumference. The world record was broken on 23 Jul 2010, by a hailstone found in Vivian, South Dakota at 1-lb 15-oz, (0.88kg), 8.0-in (20cm) diam., 18.6-in (47.3cm) circumference. A larger hailstone is said to have fallen on 14 Apr 1986 that weighed 2-lb 4-oz (1.02kg) during a hailstorm in Bangladesh that killed 92 people.« |
Find number abc
If b492c + 4ba50 = a8cac find number abc. Multiple solutions may exist.
#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.
#brainteasers #mastermind
Calculate the number 727
NUMBERMANIA: Calculate the number 727 using numbers [9, 2, 8, 9, 49, 630] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B-C
The aim is to place the some numbers from the list (1, 4, 5, 20, 21, 24, 25, 50, 53, 54, 81) 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.
#brainteasers #math #magicsquare
Find number abc
If 9acb5 + 9a603 = b9c3ba find number abc. Multiple solutions may exist.
#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.
#brainteasers #mastermind