Out of four images which one is the odd one out?
If 21x = 79x, what is the value of x?
Outside a massage parlour, there is a board that reads "I only massage those who do not massage themselves." Reading the above statement, does the masseur massage himself?
If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?
Which statement is true out of the following? One statement here is false. Two statements here are false. Three statements here are false.
I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.
One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?
I’m tall when I’m young, and I’m short when I’m old. What am I?
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?
Can you spot the hidden girl in the picture below?
In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.