Finding the original amount after a decrease

12 questions

1. Which of the following is the correct calculation for finding 20% of 300?
2. A number is increased by 25%. 1 part is equal to 25%. What will be the total number of parts representing the new number?
3. The cost of a TV increases by 20%. The new price is £420. What was the cost of the TV before the price increase? Without calculating the answer, decide whose answers cannot possibly be correct?
4. Jun thinks of a number and increases it by 20%. Jun's new number is 720. What was his original number?
5. The cost of a TV increases by 20%. The new price is £420. The cost of the TV before the price increase is £___.
6. The cost of a concert ticket is £80. This is an increase of 25% on last year. The cost of the ticket last year was £___.
7. Which of the following words indicate an increase?
8. Which of the following is the correct calculation for finding 3% of 300?
9. Match each percentage question to the correct multiplier.
10. A t-shirt costs £12 in a sale offering a 25% discount. The cost of the t-shirt before the discount was £___.
11. The value of a motorbike depreciates by 14% each year. It is now worth £5590. Last year the motorbike was worth £___.
12. Mr. Oak sells a vase is sold for £102. This gives him a profit of 20%. Mr. Oak originally purchased the vase for £___.

License: OGL