1. One of the following is NOT a 4-digits number
2. The place value of 3 in 203 is
3. "iv" in Roman Numeral means
4. One of these is NOT a factor of 25
5. 4 raised to power of 2 means
7. All of these are multiples of 10 EXCEPT
10. 2 is a common factor of 6 and 16