reasoning Maths Puzzle

Can you get a sum of 1000 using sixteen 4s and only an addition operator?

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reasoning Other Question

You have a chessboard with two opposite squares cut out. How can you cover the remaining 62 squares completely with 31 domino pieces ?(without breaking the dominoes or the board of course). Each domino covers exactly two squares.
I know a 5 digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.