Can you solve this picture maths equation?
A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?
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 ?
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?
You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.
I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?
John is a strange liar. He lies on six days of the week, but on the seventh day, he always tells the truth. He made the following statements on three successive days: Day 1: "I lie on Monday and Tuesday." Day 2: "Today, it"s Thursday, Saturday, or Sunday." Day 3: "I lie on Wednesday and Friday." On which day does John tell the truth?
Solve the following series: AZ, GT, MN, __, YB
Can you find the hidden animal in the picture below?
Using Only Five 5's and any mathematical operator make sum as 37
81 x 9 = 801. What must you do to make the this equation true?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
