If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What does this rebus mean?

O
N
C
E
TIME

Spot the cat in the picture below

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

What is the riddle which can be asked all day with a different correct answer each time.

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?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Whats the next number in the below number sequence pattern.