1.200% of what number is 21?
2.12 is 75% of what number?
3.1/4 % of what number is 2000?
4.40 is 75% of what number?
5.10 is 6% of what number?
6.10 is 50% of what number?
7. 50 is 75% of what number?
8. 90 is 20% of what number?
9. 30 is 10% of what number?
10.50 is 100% of what number?
Answers & Comments
1. 10.5
2. 16
3. 800000
4. 100/3
5. 500/3
6. 20
7. 200/3
8. 450
9. 300
10. 50
Hope it helps