When it's bad luck to meet a black cat?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

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?

I shave every day, but my beard stays the same. What am I?

When it is alive we sing, when it is dead we clap our hands. What is it?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?