Lets us check how much proficient are you inĀ  Double of a number ?

1. 
Find the double of 143 = _________

2. 
Find the double of 143 = _________

3. 
Find the double of 555 = _________

4. 
Find the double of 420 = _________

5. 
Find the double of 555 = _________

6. 
Find the double of 471 = _________

7. 
Find the double of 573 = _________

8. 
Find the double of 80 = _________

9. 
Find the double of 108 = _________

10. 
Find the double of 417 = _________

11. 
Find the double of 521 = _________

12. 
Find the double of 314 = _________

13. 
Find the double of 46 = _________

14. 
Find the double of 536 = _________

15. 
Find the double of 330 = _________

16. 
Find the double of 64 = _________

17. 
Find the double of 219 = _________

18. 
Find the double of 543 = _________

19. 
Find the double of 59 = _________

20. 
Find the double of 47 = _________