Calculate A*B-C-D
Look at the series (5, A, C, 43, 73, 115, 171, D, 333, 443, 575, B, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B-C-D!Correct answers: 22
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math
A blonde walks into the police...
A blonde walks into the police department looking for a job. The officer wants to ask her a few questions....
Officer: What's 2+2?
Blonde: Ummmmm... 4!
Officer: What's the square root of 100?
Blonde: Ummmm... 10!
Officer: Good! Now, who killed Abraham Lincoln?
Blonde: Ummmm... I dunno.
Officer: Well, you can go home and think about it. Come back tomorrow.
The blonde goes home and calls up one of her friends, who asks her if she got the job. The blonde says, excitedly, "Not only did I get the job, I'm already working on a murder case!"
Officer: What's 2+2?
Blonde: Ummmmm... 4!
Officer: What's the square root of 100?
Blonde: Ummmm... 10!
Officer: Good! Now, who killed Abraham Lincoln?
Blonde: Ummmm... I dunno.
Officer: Well, you can go home and think about it. Come back tomorrow.
The blonde goes home and calls up one of her friends, who asks her if she got the job. The blonde says, excitedly, "Not only did I get the job, I'm already working on a murder case!"