User page for:

Valentin


Liked Puzzles

4 likes 3.5
(Fairly Easy)
A Guess-my-rule Problem in Mathematics
Guess the rule: 1254 is 13 4097 is 36 1111 is 2 2222 is 8 3478 is 53 1010 is 1 ...
Added about 1 month ago by GreatGray currently with 0 comments
7 likes 3.8
(Fairly Easy)
Betsy and Patsy in Lateral Thinking
"We were born on the same day of the same year," said Betsy. "And we have the same mot...
Added 5 months ago by Valentin currently with 2 comments
9 likes 5.6
(Moderate)
Coin Flip in Logical
On Monday, you flip a coin all day. You start flipping it until you see the pattern He...
Added 6 months ago by kash currently with 13 comments
5 likes 3.0
(Fairly Easy)
Which word am I? in Riddles
Such is the word: Take away one letter and you have nothing. Add one letter and yo...
Added 7 months ago by whosurdadi currently with 2 comments
1 like 5.0
(Moderate)
hello in Physics
sdfdsfsd
Added 7 months ago by Valentin currently with 0 comments
14 likes 5.0
(Moderate)
Power of 2 (Microsoft Interview) in Computer Science
Given any number n, using one line of C (using no external libraries or functions) code...
Added 7 months ago by ace currently with 15 comments
7 likes 4.0
(Moderate)
Balloon Business in Physics
You’re sitting in a stationary car. There’s a helium balloon tied to its floor (see pic...
Added 7 months ago by ace currently with 4 comments
20 likes 4.9
(Moderate)
The fake coin in Mathematics
You have 9 coins which all look identical but 1 of them weight less than the others. Yo...
Added 7 months ago by jakab922 currently with 2 comments
10 likes 6.5
(Challenging)
The Neighbourhood in Logical
People say Einstein suggested that 98% of the world's population couldn't figure out th...
Added 7 months ago by ace currently with 13 comments
6 likes 1.3
(Very easy)
Puns 'r Us in Logical
Some awesome puns for any occasion: 1. A bicycle can't stand alone; it is two tired. ...
Added 7 months ago by Valentin currently with 2 comments

Recent Comments

valentin about 1 year ago

Hmm, interesting scenario, if you kinda think intuitively the answer is pretty obvious.

(in The Twiddled Bolts)
valentin about 1 year ago

I agree with john ^, the category certainly helps.

(in Stuck in a brick building)
valentin about 1 year ago

Not as easy as it seems. A hint is to think of the overall outcome and not specific probabilities.

(in The Monty Hall Problem)
valentin about 1 year ago

Haha, that is quite clever.

(in Attic Lamp Switch)
valentin about 1 year ago

A classic.

(in Are the lines parallel?)