Percentage profit and loss

12 questions

1. Increase 65 by 5%
2. Decrease 60 by 5%
3. If a number increases by 70% and is now 85, what was it originally?
4. Decrease 250 by 15%
5. A mathematician celebrates their shares increasing by 12% which are now worth £100.80. How much did they originally invest?
6. If a number increases by 82% and is now 163.8, what was it originally?
7. If I increase £45 to £54, what is the percentage gain?
8. If I increase £45 to £99, what is the percentage gain?
9. If I increase £14 to £56, what is the percentage gain?
10. If I decrease £90 to £18, what is the percentage loss?
11. If I decrease £88 to £66, what is the percentage loss?
12. Match the following so that the number on the right reflects a 20% percentage loss on the number on the left.

License: OGL