Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?
Can you solve the photo plexer logic ?
A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?
What is the next number in this matchsticks series riddle?
The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?
Find three whole, positive numbers that have the same answer when multiplied together as when added together.
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?
I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.
How should I do it?
Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits
Solve the following series:
AZ, GT, MN, __, YB
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.