I am an odd number. Take away a letter and I become even. What number am I?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

John was drowned by he was not wet. How?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

Replace the question mark with the number below given a simple math problem.

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?