Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?
Remove two matchsticks to make the below equation correct.
What English word has three consecutive double letters?
Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.
Jenifer and Jesica are having a conversation.
Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.
You are told that both of them are lying throughout in the conversation. Can you find their respective ages?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
You can see three almost identical images below. Can you spot the odd one out from them?
Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211
Always in you, Sometimes on you;
If I surround you, I can kill you.
What am I?
One day, all the courtiers from Akbar's court were gathered in the assembly hall when one of them told the Emperor that all his valuables had been stolen by a thief the previous night.
This shocked the Emperor to his core as the place where that courter stayed was the most secured in the kingdom. The Emperor thought that it is not at all possible for an outsider to enter into the courtier's house and steal the valuables. Only another courtier could commit this crime. He quickly called Birbal to identify the thief.
Birbal thought for a while and successfully solved the mystery by identifying the thief in just one statement.
What did Birbal say?
You see a boat filled with people, yet there isnâ€™t a single person on board. How is that possible?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki