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

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

John is the son of Jacob.
So,
Jacob is the_____of John's father?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Can you place three balls such that the equation shown in the picture holds true?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?