What number when divided in half becomes zero?

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 occurs twice in a week, once in a year but never in a day?

The dirtier I get, the whiter I look. Who am I?

What is more useful when it is broken?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Can you count the number of children in the picture below

What is so fragile that saying its name breaks it?

Why is it against the law for a man living in Delhi to be buried in Mumbai?