A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

By using 'because' continuously three times, can you make an English statement ?

If 21x = 79x, what is the value of x?

What is the next number in this matchsticks series riddle?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

The dirtier I get, the whiter I look. Who am I?