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 6 months ago by GreatGray currently with 17 comments
7 likes 3.6
(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 10 months ago by Valentin currently with 28 comments
10 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 11 months ago by kash currently with 28 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 11 months ago by whosurdadi currently with 31 comments
1 like 5.0
(Moderate)
hello in Physics
sdfdsfsd
Added 11 months ago by Valentin currently with 11 comments
14 likes 5.3
(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 11 months ago by ace currently with 35 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 11 months ago by ace currently with 37 comments
22 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 about 1 year ago by jakab922 currently with 21 comments
12 likes 6.7
(Challenging)
The Neighbourhood in Logical
People say Einstein suggested that 98% of the world's population couldn't figure out th...
Added about 1 year ago by ace currently with 35 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 about 1 year ago by Valentin currently with 25 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?)