As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Make a sentence consisting of three words that have the whole alphabet.

As you can see in the picture, you have a hole with dimensions 9 ft x 2 ft Also available is a wooden board with dimensions 6 ft x 3 ft Now you have to cover the hole with this board and you are allowed to cut the board into two pieces. Please see that the hole is completely covered and the boards should not overlap or extend beyond the edge. How will you cut the board?

Which is the smallest number that you can write using all the vowels exactly once?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

Which five letter word can be added at the end of below word to form a
valid word?

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Why Wine Glass Stem is so long?

What 5-letter word typed in all capital letters can be read the same upside down?