If eleven plus two equals one, what does nine plus five equal?
John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple. Can you find out how many did he have in the beginning?
Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt. Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?' To this, the man who was wearing the Green shirt said. 'Wow, thats right.' Can you identify who is wearing which colour shirt ?
On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins. Can you tell me how many 20-paisa and 25-paisa he got?
Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3. (You can use one number only once)
Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?
Can you complete the sequence puzzle? AR TA GE CA LE VI LI _
Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?
If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?
The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?
You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
