Why 1729 is a magic number? Answer Logically.

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

Find the next number in the series below

21 32 54 87 131 ?

What goes through cities and fields, but never moves?

81 x 9 = 801. What must you do to make the this equation true?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What word is represented by this rebus?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?