Welcome to our Quiz: Quiz: Numbers 01-20 10 Questions. Time limit: 5 minutes. 1. What number is it? 11 ten one eleven None 2. What number is it? 20 four twelve twenty None 3. What number is it? 15 fifteen eleven eight None 4. What number is it? 14 one fourteen seventeen None 5. What number is it? 19 three eighteen nineteen None 6. What number is it? 13 seven thirteen twenty None 7. What number is it? 17 seventeen thirteen ten None 8. What number is it? 12 ten twenty twelve None 9. What number is it? 18 one sixteen eighteen None 10. What number is it? 16 sixteen eighteen six None