๐๐ผ The area of two circles have areas in
the ratio 1:9
If the radius of the smaller circle is
2.5cm, what is the radius of the larger
circle?
๐๐ผ A shop sells a โmeal dealโ that contains a
sandwich, a drink and a snack.
There are 9 different sandwiches.
There are 15 different drinks.
There are 6 different snacks.
How many different โmeal dealsโ could be
bought?
๐๐ผ A particle travels at 20km/h. What is this speed in metres per second?
๐๐ผ A savings account earns 10% compound interest a year. ยฃ2000 is invested.
How much interest is earned over 3
years?
๐๐ผ Y is inversely proportional to the
square of X. Both X and Y are positive.
When X = 3, Y = 10.
Find the value of X when Y = 5.