10 questions🇬🇧English
📈 Percentage Increase & Decrease – Year 8
Maths · Year 8 (KS3) — multipliers, discounts, VAT and calculating percentage change
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Questions
Which decimal multiplier increases an amount by 20%?
0.2
1.02
1.2
0.8
20s
Which decimal multiplier decreases an amount by 15%?
0.85
0.95
0.15
1.15
20s
Increase £40 by 25%. What is the new amount?
£30
£65
£45
£50
20s
A jacket costs £60. In a sale it has 30% off. What is the sale price?
£78
£30
£42
£18
30s
A games console costs £85 before VAT. VAT is added at 20%. What is the price including VAT?
£17
£102
£105
£68
30s
A ticket price rises from £50 to £65. What is the percentage increase?
30%
23%
130%
15%
30s
A bike's value falls from £400 to £300. What is the percentage decrease?
25%
33â…“%
75%
100%
30s
Shop A sells trainers for £80 with 25% off. Shop B sells them for £70 with 10% off. Which is cheaper?
Shop B, by £3
Shop A, by £3
Shop A, by £10
Shop B, by £7
60s
After a 20% increase, a phone case costs £84. What was the original price?
£64
£67.20
£70
£100.80
60s
After a 25% discount, a coat costs £45. What was the price before the discount?
£55
£33.75
£56.25
£60
60s