It belongs to you, but other people use it more than you do. What is it?
When can we add 2 to 11 and get 1 as the correct answer?
Find The Next Number in the series: 12 13 15 17 111 113 117 119 123 ?
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
Given that (78)^9 = 6 And (69)^4 = 11 Can you find out (99)^2 =? (Note: This is Logical, not Mathematical)
What can you see in the middle of March and April that you can never see in any other month?
1. What does: TIM JOB represent? 2. What does: MO_ _ represent?
A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was. In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?
What is red and smells like blue paint?
Railroad Crossing, look out for the cars. Can you spell that, without any R's ?
If 1+9+8=1, what is 2+8+9?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
