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

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can you move 2 matchsticks to form four equal sized squares.

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Do you know who was buried in John's tomb?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

What time is it when an elephant sits on a fence?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?