1) A stick is 12cm long, it snaps and now measures 6cm. What is the percentage decrease? a) 665% b) 50% c) 154% d) 840% 2) What is 10% of 50 a) 665 b) 22.4 c) 20.0 d) 5.0 3) Find 20% of 100 a) 20.0 b) 15 c) 33.6 d) 5.0 4) Calculate 20% of 112 a) 99.9 b) 50% c) 5.0 d) 22.4 5) Work out 10% of 999 a) 665 b) 9.30 c) 99.9 d) 112.5 6) A PS3 costs £300. The price is increased by 20%. What is the new price? a) £15 b) £360 c) £10 d) £460 7) A biscuit costs 50p. If a 10% discount is offered. how much would the biscuit cost? a) 15p b) 45p c) 840p d) 55p 8) In a school they are 950 pupils but 2% are off ill and 10% are on holiday, so how many pupils are left a) 836 b) 665 c) 1064 d) 15 9) Find 35% of £258 a) £15 b) £840 c) £90.30 d) £9.30 10) A bouncy ball costs 50p. If the price is discounted by 40%, how much is the bouncy ball now? a) 665p b) 40p c) 5.0p d) 30p 11) 75% of 20 a) 665 b) 140 c) 9.30 d) 15 12) 10% of 100 a) 665 b) 10 c) 22.4 d) 40 13) 99% of 34 a) 50 b) 15 c) 33.66 d) 99.9 14) 75% of 150 a) 112.5 b) 33.6 c) 40 d) 22.4 15) A phone has 30% off. The price was £200, what is the new price? a) £140 b) £22.40 c) £665 d) £112.50 16) A clock cost £140 . The price increases by 10%. What is the new price? a) £33.6 b) £10 c) £154 d) £15

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