Always in you, Sometimes on you;
If I surround you, I can kill you.
What am I?
There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?
John is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Jacob, Johnâ€™s wife Hena and his business partner Jason . All three visited John on the day of his murder, but all three provide the police with stories of explanation as to the reason for their visit.
Police found John with his wrist watch still on his right arm, a torn up picture of his wife laying on the floor beside the trash can, and an ink pen in his right hand. On the desk, the police found a name plate, a telephone that was off the hook, and a personal calendar turned to the July 5th page with 7B91011 written on it. After examining this evidence, the police knew their suspect. Who was it ?
Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.
What is the original number on number plate?
Find three whole, positive numbers that have the same answer when multiplied together as when added together.
The current time can be represented by below textual rebus.
0
=========
B.Sc
LLB
Can you tell us the current time?
What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
What does the following represent?
N N N N N N N
A A A A A A A
C C C C C C C
Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?
How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?
What is so fragile that saying its name breaks it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.