Alice, Bob, Chloe and David took a 10 question true-false exam and their answer sheet and every question is $1$ point.
The result shown as below:
So What is the David's total point?
A B C D
1 T T F F
2 F T T F
3 F F T T
4 T F T T
5 T T T ...
One has five.
Two has two.
Three and four only have one.
What does eight have?
(I'll possibly give a hint next week, if needed :) )
R - Red, W - White, P - Pink
If:
$R + R = R + R + R + R$
$R + W = P + P + P + P$
$P + P = R + W + P + P$
What is $R + P$?
Hint:
0
I came across this riddle in The Big Book of Brain Games by Ivan Moscovich (Riddle #12)
the book does provide the solution, but I've got no clue how to go about solving it.
If you do own this book, I suggest you open it right now and try to solve the riddle yourself (but don't look at the answe...
== English ==
=== Verb ===
==== Sense: to render someone less able to understand ====
===== Synonyms =====
===== Antonyms =====
===== Various =====
=== See also ===
Wikisaurus:confusing
Wikisaurus:confusion
Wikisaurus:surprise
Wikisaurus:surprising
=== Further reading ===
“61. derangement” in Roget's Thesaurus, T. Y. Crowell Co., 1911.
“confuse” in Moby Thesaurus II, Grady Ward, 1996....
A sharper is an older term, common since the seventeenth-century, for thieves who use trickery to part an owner with his or her money possessions. Sharpers vary from what are now known as con-men by virtue of the simplicity of their cons, which often were impromptu, rather than carefully orchestrated, though those certainly happened as well. The 1737 Dictionary of Thieving Slang defines a sharper as "A Cheat, One who lives by his wits." In the nineteenth century, and into today, the term is more closely associated with gambling.
Sharpers were romantic figures in the eighteenth-century, valued as...
I have a pocket of N=4 balls of different colors, say green, red, blue and yellow.
You can draw as many times as you want
After each draw, the ball will be put back to the pocket so that the chance of drawing each ball is always equal
You need to pre-determine how many times you want to draw ...
