Maths
How many multiples of 3 that are less than 1000 are not divisible either by 9 or by 10?
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Maths
Triangles XY Z and PQR are drawn on a square grid. What fraction of the area of triangle XY Z is the area of triangle PQR? Give your answer in simplest form.
Maths
In the window of Bradley's Bicycle Bazaar there are some unicycles, some bicycles and some tricycles. Laura sees that there are seven saddles in total, thirteen wheels in total and more bicycles than tricycles. How many unicycles are in the window?
