How many copies were sold of the last UK number-one single that was written by Noddy Holder and Jim Lea?
Slade:  As of 2006, total UK sales stand at 6,520,171, and their best-selling single, "Merry Xmas Everybody", has sold in excess of one million copies. Merry Xmas Everybody: "Merry Xmas Everybody" is a song by the British rock band Slade, released as a non-album single in 1973.
i don't know