# Daily Brain Teasers for Monday, 15 April 2019

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |

## Calculate the number 2636

NUMBERMANIA: Calculate the number 2636 using numbers [3, 2, 7, 7, 15, 279] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.The first user who solved this task is

**Nílton Corrêa De Sousa**.#brainteasers #math #numbermania

## Find number abc

If ab1c4 + 6b9a1 = 9707c find number abc. Multiple solutions may exist.The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math

## Find a famous person

Find the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 6,6.The first user who solved this task is

**Nílton Corrêa De Sousa**.#brainteasers #wordpuzzles

### An Inscription Problem

According to the Knight-Ridder News Service, the inscription on the metal bands used by the U.S. Department of the Interior to tag migratory birds has been changed. The bands used to bear the address of the Washington Biological Survey, abbreviated, "Wash. Biol. Surv." until the agency received the following letter from an Arkansas camper:

"Dear Sirs: While camping last week I shot one of your birds. I think it was a crow. I followed the cooking instructions on the leg tag and I want to tell you it was horrible."

"Dear Sirs: While camping last week I shot one of your birds. I think it was a crow. I followed the cooking instructions on the leg tag and I want to tell you it was horrible."

## 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.The first user who solved this task is

**Nílton Corrêa De Sousa**.#brainteasers #mastermind

## Hydrogen thryatronIn 1952, the hydrogen thryatron was patented in the U.S. by K. Germeshausen (No. 2,591,556). The thryatron is an electronic switching tube filled with gas. Application of a voltage to the control grid turns on the current. It is normally used for high voltage switches. |

## Calculate the number 2942

NUMBERMANIA: Calculate the number 2942 using numbers [3, 7, 4, 5, 49, 279] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.The first user who solved this task is

**Nílton Corrêa De Sousa**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (5, 6, 7, 8, 9, 10, 48, 50, 52) 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.The first user who solved this task is

**Nílton Corrêa De Sousa**.#brainteasers #math #magicsquare

## Find a famous person

Find the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 6,5.The first user who solved this task is

**Nílton Corrêa De Sousa**.#brainteasers #wordpuzzles

## Find number abc

If aa4ba - 59b06 = c8cbc find number abc. Multiple solutions may exist.The first user who solved this task is

**Nílton Corrêa De Sousa**.#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.The first user who solved this task is

**Nílton Corrêa De Sousa**.#brainteasers #mastermind

## Calculate the number 2040

NUMBERMANIA: Calculate the number 2040 using numbers [5, 2, 7, 1, 89, 659] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.The first user who solved this task is

**Nílton Corrêa De Sousa**.#brainteasers #math #numbermania