A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?
Why do we preferably have round manhole covers and not square ones?
They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?
Can you find the thief by just looking at the picture below?
Given that
(78)^9 = 6
And (69)^4 = 11
Can you find out
(99)^2 =?
(Note: This is Logical, not Mathematical)
Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?
One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.
I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?
There are forty elephants and they have forty-fore heads. How can this be possible?
What's the only room from which no one can enter or leave
Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."
Reading the above statement, does the masseur massage himself?
In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.
