Can you find the missing piece of the Porsche?

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?

What does this rebus photo means?

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

How can you make number one disappear by adding something to it?

What will you call your mother's brother's brother-in-law?

How many words can a pen with half refill write?

Keyboard words are not in alphabetical order, Why?

What does does this rebus picture means ?