Can you find out which number multiplied by itself will give the output as 12345678987654321?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

What does this below rebus puzzle mean?

Why do you find that most of the buildings are deprived of the 13th floor?

Solve the alphametic puzzle by replacing the alphabet with the number.

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