music: 60's Chart Toppers: Name The Artist: This Is My Song?

Questions

identify the only number not found in the roman numeral system??

how many litres of maple sysup were produced in canada in 1990??

what north american grazer does the chamois resemble??

what were the names of the ghosts in the series topper??

1992 - what italian tower got steel girdles to keep it from falling in may?