Grade C/B Number questions - % change Flashcards
Increase 40 by 10%
44
Increase 35 by 20%
42
Increase 60 by 12%
67.2
Increase 250 by 15%
287.5
Increase 300 by 67%
501
Increase 82 by 5%
86.1
Increase 520 by 25%
650
Increase 82 by 1%
82.82
Increase 65 by 72%
111.8
Increase £320 by 2%
£326.40
Decrease 40 by 10%
36
Decrease 90 by 5%
85.5
Decrease 600 by 30%
420
Decrease £550 by 11%
£489.50
Decrease 72 by 8%
66.24
Decrease 50 by 50%
25
Decrease 85 by 20%
68
Decrease 64 by 12%
56.32
Decrease $470 by 32%
$319.60
Decrease 78 by 1%
77.22
After a reduction of 10% a coat now costs £81. What was it originally?
£90
After a reduction of 25% a car was on sale for £4125. What did it cost before the reduction?
4125
In the sale a jumper costs £21.25. It had been reduced by 15%. What did it cost before the sale?
£25
A sausage shrank by 2% when cooked. If the cooked weight was 9.8g, what did it weigh raw?
10g
Simon ate 30% of the box of chocolates. IF there were 21 chocolates left, how many were in the full box?
30
A price increased by 5% to £52.50. What was it originally?
£50
A photo was enlarged by 10% along each side. If the enlarged photo was 24.2cm, how long was the original?
22cm
After a 4% pay rise, John earned £33800 per year. What did he earn before the increase?
£32500
After an increase of 5% Bills house was worth £266700. What was it worth originally?
£254000
Dan increased his pocket money by 20% to £15.60. How much did he used to get?
£12
Sarah score 9 out of 15 on a test. What % is this?
60%
Frank ate 4 out of 5 sausages. What % of the sausages did he eat?
80%
Bob ignores 1 in every 4 emails he gets. What % does he read?
75%
James got 56 out of 80 in a test. What % did he get?
70%
Harry’s pay went up from $150 per week to $159. What percentage increase is this?
6%
