How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Solve the puzzle by telling what does below picture means.

Which number should replace the question mark?

Remove two matchsticks to make the below equation correct.

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Different lights make me strange by changing me into different sizes. What am I?

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