Quickly Solve this riddle 7 - 4 + 3 * 0 + 1 = ?
Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime." How old are the daughters?
If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?
What runs around the whole yard without moving?
Count the number of triangles in the below picture?
You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?
Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?
Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator. Do you ?
John was piloting a plane behind a car but was never able to overtake it. Why?
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet. How much time do you think the monkey will take to reach the top of the pole?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
