I have eight fingers and two thumbs but I do not live. What Am I?

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

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

Can you name some countries which do not have the alphabet 'A' in them?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

How can you leave a room with two legs and return with six legs?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

It is always ahead of me yet I can never see it. What is it?