I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

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 ?

Using Only Five 5's and any mathematical operator make sum as 37

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Replace the question mark with the correct number in the below-given picture?

Can you count the number of matches in the picture below ?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Eight of us go fourth, not back, to protect our king from an attack. What are we?