1. Express the following fractions as percentages:

2. Express the following decimals as percentages:
(a) 0.52 

(b) 0.03 

(c) 0.455

3. Express the following percentages as decimals and as proper fractions:

(a) 17.5% 

(b) 40% 

(c) 3.25%

4. Express 16 as a percentage of 320.

5. There are 22 defective bulbs in a batch of 550. What percentage of the bulbs is defective?

6. What percentage of the rectangle ABCD, of Figure 1.4, is shaded?

7. Calculate the profit as a percentage of the cost price of a refrigerator bought for £275 and sold for £330.

8. Calculate the selling price of a refrigerator, which is sold with a 20% discount, if its list price is £330.

9. After winning a cash prize Sally gave 25% of the prize to her brother Dick. If the amount of money she gave to Dick was £120 what was the value of her cash prize?

10. Paul scored 27 marks out of a possible 45 marks in a science test. What percentage was this?

Transcribed Image Text:

3/w 20 (b) +15 (c)