Common Skills B
Paper 2
1
A share portfolio was worth £180 000.
The value of dropped by 8% for 3 months.
What was the value of the portfolio after 3 months?
3 Marks
2
Solve equation 2x² – 7x + 4 = 0
Give your answers correct to one decimal place.
3 Marks
3
Express
as a fraction in its simplest form
3 Marks
4
A laptop is in a sale and it’s price is reduced by 12% and is now worth £528
How much was the laptop before the sale?
3 Marks
5
Solve the equation
3 sin x° + 4 = 2; 0° ≤ x° ≤ 360°
2 Marks
6
A shop logs the sales made during a 10 day period
19 25 40 37 24
28 31 24 21 28
a Calculate the median and semi-interquartile range of the data.
4 Marks
After an inadvertising campaign, the median sales was 29 and the semi-interquartile range was 2
b Make two appropriate comments about sales after the advertising campaign.
2 Marks
7
A designer rug is made in the shape of part of a circle.
The radius of the circle is 36cm.
The height of the rug is 54cm.
Calculate the width of the rug.
4 Marks
8
These two shapes are mathematically similar.
The larger shape has a volume of 57 375cm³
Calculate the volume of the smaller shape.
3 Marks
End of Paper