There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

I am the fastest animal but cannot climb the tree. What am I?

There are two guys standing face to face in a room. On a wall, there is a clock. One of those is a prophet. He tells the other guy that he will be stabbed in the back in five minutes.

Shocked to hear that, the other guy stares at the clock. Just after the five minutes, he is stabbed on the back. Can you tell what happened?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Find the number of squares in the below picture

In the picture given below, can you find out which digit will take place of the question mark?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Spot what is wrong here in below Picture?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle: