A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside. The man said, "Oh! I am really sorry, I thought this was my room." He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man. What made her suspicious of that man? He might have been genuinely mistaken.

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Which country gets ill every time?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

With the help clues provided in the image, can you find the 5 digit key?

Can you replace the question mark with the correct number in the below table sequence?

Can you identify the hidden rebus in the image below?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?