If 21x = 79x, what is the value of x?
Buy me, smell me or deliver me, I do not change. Who am I?
A shepherd had 18 sheep, out of which, all but ten died. Can you tell us how many sheep was he left with?
On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday. Is this even possible? How can it be?
Railroad Crossing, look out for the cars. Can you spell that, without any R's ?
A pond had 60 fish, out of which, all but 20 died. How many fishes are now present in that pond?
Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error? x = 9.999999... 10x = 99.999999... 10x - x = 90 9x = 90 x = 10
You bought me for dinner but never eat me. What am I?
I have a mouth but I don't eat. I have a bank but have no money. I have a bed but i dont sleep. I wave but have no hands. Who Am I ?
I am a mother. However, I never give birth. I am a father. However, I never nurse my children. Wandering is not possible for me, but standing still happens occurs rarely. Who am I?
If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
