What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

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 walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What can you hold in your right hand, but never in your left hand?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

My location can be determined by the below rebus.
So where am i ?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?